MKS Novx 5000 Series User manual

19-5000-M Version 1

19-5000-M Version 1
Series 5000
Voltage Detection System
User’s Manual
MKS, Ion Systems
1750 North Loop Road
Alameda, CA USA 94502
Tel: [phone]
Fax: [phone]
Toll free: 800-367-2452
Sales services: 510-217-0460
Tech support: 510-217-0470
[email protected]
[email protected]
[email protected]
www.ion.com
www.novxcorp.com

19-5000-M Version 1 i
TABLE OF CONTENTS
1. Product Description .....................................................................................................1
2. System Description......................................................................................................1
2.1 Enclosure ...............................................................................................................1
2.2 Rear-Panel .............................................................................................................1
2.2.1 Power Cord..................................................................................................2
2.2.2 Power Switch...............................................................................................2
2.2.3 Rear Ground Connector...............................................................................3
2.2.4 Probe and Proximity Filter Switches ............................................................3
2.2.5 Alarm Switches............................................................................................3
2.2.6 Proximity Threshold Control.........................................................................3
2.2.7 Display Proximity/Probe Switch...................................................................4
2.2.8 Analog In/Out Jacks.....................................................................................4
2.2.9 Analog-In .....................................................................................................4
2.2.10 Probe Alarm Threshold Select.....................................................................4
2.2.11 Training Tower Drive Connector..................................................................5
2.2.12 Optional Voltage..........................................................................................5
2.3 Front-Panel.............................................................................................................5
2.3.1 Probe Jack...................................................................................................5
2.3.2 Proximity Jack..............................................................................................6
2.3.3 Ground Connectors .....................................................................................6
2.3.4 Probe Voltage LED Display .........................................................................6
2.3.5 Peak Hold LED Display................................................................................6
2.3.6 Reset Button................................................................................................6
2.3.7 Optional High Voltage Power Supply Switch ...............................................6
2.4 Specifications .........................................................................................................7
2.5 Options...................................................................................................................7
3. Installation.....................................................................................................................7
3.1 Unpacking ..............................................................................................................7

19-5000-M Version 1 ii
4. Operation.......................................................................................................................8
4.1 Switch Settings.......................................................................................................8
4.1.1 Probe Voltage and Peak Hold Scale............................................................9
4.1.1.1 LED Display..................................................................................9
4.1.1.2 Voltage Scale..............................................................................10
4.1.2 Battery Operation.......................................................................................10
4.1.3 Remote Probe............................................................................................11
4.1.4 Charge Plate Decay Time Testing.............................................................12
5. Series 6150 Training Light Tower .............................................................................13
5.1 Specifications .......................................................................................................13
5.2 Setup....................................................................................................................13
6. Troubleshooting.........................................................................................................14
7. SAFETY .......................................................................................................................17
7.1 General Information..............................................................................................17
7.1.1 Examples...................................................................................................17
8. Theory of Operation ...................................................................................................18
8.1 Electrical Charge and Transfer.............................................................................18
8.1.1 Triboelectrification......................................................................................18
8.1.2 Induction Charging.....................................................................................19
8.1.3 Conduction Charging.................................................................................20
8.2 Capacitance .........................................................................................................21
8.3 Electrostatic Discharge.........................................................................................21
8.4 Measurement Technology....................................................................................22
Appendix A: GLOSSARY ...........................................................................................23

19-5000-M Version 1 1 Voltage Detection System Series 5000
1. Product Description
The Novx Series 5000 Voltage Detection System is an
advanced portable instrument for use in ESC/ESD
auditing, monitoring, and training with direct interface to
the Novx Data Acquisition Software and facility
monitoring systems. The instrument is used for test and
analysis of human body voltage, product performance,
real-time equipment performance, ground integrity, and
ESD training with the integration of the Novx Series
6150 Training Light Tower. The instrument along with
the tower is an excellent marketing tool to demonstrate to customers your continued
concern about electrostatic charge (ESC) in your manufacturing environment.
2. System Description
The system is factory calibrated and in most cases, data collection requires only the
setting of a few toggle switches. The instrument is designed to be used by regular line
employees as well as process engineers. They may be used to check the performance
of existing ESD prevention products or to monitor ESC in sensitive work areas.
The instrument is shipped completely assembled and ready for use. Simply attach the
power cord to the back of the instrument and set the switches as needed for your
particular application.
NOTE: If you are using the instrument for training purposes, your system will also
require a Training Light Tower and tower driver.
2.1 Enclosure
The Series 5000 is constructed using the standard Novx stainless steel enclosure
with polycarbonate front- and rear-panel overlays. The purpose of the design is to
provide ruggedness and cleanliness while remaining attractive and functional
2.2 Rear-Panel
Look first at the rear-panel of the instrument, see Figure 1. This area contains the
power connection jack and various instrument settings to be adjusted prior to
instrument operation.

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Figure 1: Rear-Panel
NOTE: Novx records the model and serial numbers of your instrument in the
upper right corner of the rear panel. You will need this information in the future
should you have a warranty claim or need to upgrade the instrument. Novx
recommends that you record these numbers in the location shown on the notes
page in the back of this manual for that purpose.
2.2.1 Power Cord
Insert the power cord, notched side down, into the power jack (Figure 1,
item 1). Make sure the prongs on the jack fit smoothly and fully into the
openings in the connector. Turn the locking ring in a clockwise motion to
assure the connector will remain securely attached.
CAUTION: Make sure the power switch is in the OFF position before
connecting the power cord.
2.2.2 Power Switch
The power switch is located immediately below the power jack (Figure 1,
item 2). This is a simple toggle switch. Press up to turn the power on and
press down to turn the power off.

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2.2.3 Rear Ground Connector
The rear ground connector is one of three ground positions (Figure 1, item
3) the other two connectors are located on the front-panel. You can insert
a banana plug, straight wire or spade lug in this rear ground connector.
2.2.4 Probe and Proximity Filter Switches
There are two filter switches that control the sensitivity to higher frequency
voltages. The probe filter switch controls the probe side (Figure 1, item 5)
and the proximity filter switch controls the proximity side (Figure 2, item 6).
With the filter off, the bandwidth is >100 KHz and with the filter on, the
bandwidth is 5 Hz. The probe and proximity filter switches can be set
independently. Press up to turn the filter on, press down to turn the filter
off.
CAUTION: The filters will mask higher frequencies. Therefore, care
should be taken if you choose to use the filter function when monitoring a
workstation.
2.2.5 Alarm Switches
Two alarm switches control the audible alarms that will sound when the
instrument senses an ESC level in excess of a preset limit (Figure 2, items
7 and 8). The probe and proximity thresholds are set independently and
can be set at different voltages. Note that the alarm switches have three
available positions high, low and off. High increases the sound level of the
alarm; low decreases the sound level; off deactivates the audible alarm.
NOTE: The probe audible alarm will sound once each time probe voltage
meets or exceeds the preset threshold. If probe voltage remains above the
threshold, the alarm will not continue to sound. However, the proximity
audible alarm will sound when the proximity voltage meets or exceeds the
preset threshold and will continue to sound until the voltage drops below
the threshold level.
2.2.6 Proximity Threshold Control
The proximity threshold control is used to adjust the voltage level at which
the proximity alarm will sound (Figure 1, item 9). Turn the knob clockwise
to have the alarm sound at a higher voltage. Turn it counterclockwise to
have the alarm sound at a lower voltage.
NOTE: It is important that you check and adjust the threshold level to suit
the needs of your particular environment and application.

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2.2.7 Display Proximity/Probe Switch
The display proximity/probe switch is again a simple toggle switch (Figure
1, item 10). Press up for the instrument to display readings related to the
proximity monitor channel (general ESC activity in the vicinity of the work
area). Press down for a display of the probe monitor channel (ESC
generated by the operator at a workstation).
NOTE: The proximity alarm will function regardless of the display switch
setting.
2.2.8 Analog In/Out Jacks
The analog in/out jacks use conventional BNC connectors (Figure 1, items
11 and 12). Insert the connector into the jack until the connector slot fits
over the jack pin. Turn clockwise until the connector is secure. The analog
out function can be used to feed information from the instrument to a chart
recorder, a computer or other electronic devices used to store or provide
hard copies of data generated by the instrument.
2.2.9 Analog-In
The analog-in function permits ESD data input from an external source
such as a workstation instrument. To utilize the analog in function, in
addition to having an external data source connected to the analog in jack,
you must also make sure that the input Ext/Int switch (Figure1, item 4) is
in the up position. This setting informs the instrument that the data source
will be external to the instrument.
NOTE: Positioning the input Ext/Int switch in the up position disables the
probe side of the instrument. This position tells the instrument that it will
be receiving data from an external source rather than from an internal
source via the probe monitor. (The proximity monitor is not affected.)
2.2.10 Probe Alarm Threshold Select
The probe alarm threshold select enables you to select the voltage level at
which the probe alarm will sound (Figure 1, item 13). A scale of numbers,
beginning with 7.1 and ending with 5000, shows the voltage level choices
available. A discreet jumper is used to select the desired voltage level. To
change the probe alarm threshold, simply remove the jumper that comes
with the 5000 and reinsert it at the desired voltage location.

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2.2.11 Training Tower Drive Connector
The training tower drive connector enables you to connect the instrument
(Figure 1, item 14) to a Novx Series 6150 Training Light Tower (see
Training Light Tower section of this manual for a more complete
description of this option).
2.2.12 Optional Voltage
An optional switch enables you to setup for a 5000V or a 500V instrument
(Figure 1, item 15). Simply toggle the switch up for 5000V or down for
500V full-scale.
2.3 Front-Panel
The front-panel of the instrument provides connections for probe and proximity
sensing devices, two additional ground connectors and a clear, easily readable
LED display of detected voltage levels.
Figure 2: Front-Panel
2.3.1 Probe Jack
The probe jack enables you to insert a single-wire wrist-strap connection
to monitor operator-generated ESC (Figure 2, item 1). This is a standard
banana jack.

19-5000-M Version 1 6 Voltage Detection System Series 5000
NOTE: This input may be used for other than a probe input, e.g., an
antenna input.
2.3.2 Proximity Jack
The proximity jack enables you to insert an antenna to monitor general
ESC activity in the vicinity of the workstation (Figure 2, item 3). Again, this
is a standard banana jack. NOTE: This input may be used for other than
an antenna input, e.g. a probe input.
2.3.3 Ground Connectors
The ground connectors enable you to connect a grounding device for
either the probe or proximity monitoring function (Figure 2, items 2 and 4),
using a standard banana plug.
2.3.4 Probe Voltage LED Display
The probe voltage LED display shows the polarity and voltage level
detected by the instrument (Figure 2, item 5). The left two lights indicate
polarity (Figure 2, item 7). The next two spaces are blank, and the balance
of the lights display continuous real-time measurement of voltage levels.
The first light activates at 7.1V, the second at 10V and so on.
2.3.5 Peak Hold LED Display
The peak hold LED display shows the polarity and highest voltage level
detected by the instrument (Figure 2, item 8). The left two lights indicate
polarity and the lighted section of the peak hold display shows the highest
voltage detected since the peak hold reset button was last pressed.
2.3.6 Reset Button
The reset button is used to reset the peak hold display (Figure 2, item 9).
Simply press the button to reset.
2.3.7 Optional High Voltage Power Supply Switch
The optional high voltage power supply switch (Figure 2, item 10) may be
used for charge plate decay time testing.

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2.4 Specifications
The power specifications, footprint and weight of the instrument are shown in Table
1 below.
Input Impedance >100 GW
Bandwidth/Filter-off >100 KHz
Bandwidth/Filter-on 5 Hz
Input Voltage (Max) ±10 kV
Input Voltage (Max Display) ±5 kV
Accuracy 5% of actual measurement
Voltage Range 0V to 5000V
External I/O (Analog) ±5V
Power International
Battery Pack >8 Hours
Dimensions 4”H x 9”W x 11”D
Weight 3 lbs
2.5 Options
•Low-end Detection Range expanded from 50V-5000V to 7.1V-5000V.
•Proximity Detector allowing detection of static fields within a work area.
•Peak Hold indicator showing the peak voltage and polarity generated at the
workstation.
•Remote Probe and BNC Cable assembly for contact measurement of voltages,
such as in specific circuits of printed wiring boards.
•Battery Pack for instrument portability and total isolation from AC power.
•Internal Power Supplies for decay time testing (±1200V).
•Training Light Tower and Driver for dramatic and effective demonstrations of
the presence of ESC.
Note: For purposes of this manual, we are assuming that all options have been
purchased with the instrument.
3. Installation
3.1 Unpacking
When you unpack the instrument, make sure you received all parts as ordered and
that nothing has been damaged in shipment. Should there be any missing
components or any evidence of shipping damage, contact Novx immediately.

19-5000-M Version 1 8 Voltage Detection System Series 5000
4. Operation
This instrument is most widely used to monitor performance of existing ESD prevention
products and to do periodic testing of ESD-sensitive areas in the work environment. It is
also the basic platform required for the training instruments that are offered by Novx.
Although its detection capabilities are quite sophisticated, the instrument is extremely
simple to operate. Once you have determined your application, a few simple switch
settings are all that is required to make the instrument fully operational.
Typical applications include monitoring operator-generated ESC at a critical workstation,
monitoring general ESC activity at a workstation or using the instrument in conjunction
with the Series 6150 Training Light Tower for demonstration and training purposes.
4.1 Switch Settings
The following information explains the various switch settings needed to maximize
instrument performance for your particular application and gives detailed
information about reading the front-panel LED display.
To use the Novx Series 5000 as a training tool with the Novx Series 6150 Training
Light Tower, see the Training Light Tower section. To use the instrument as a
workstation monitor, set the switches as follows:
1. Set both the probe filter and the proximity filter to the off position.
2. Set the probe and proximity alarms to either the high or low position,
depending on the volume needed to make the alarm audible over ambient
noise.
3. Adjust the probe alarm threshold by moving the discreet jumper on the rear
panel to the desired alarm voltage.
4. Insert an antenna into the proximity jack on the front of the instrument.
5. Press the display proximity/probe switch on the back-panel, up to the
proximity position. This enables the instrument to monitor proximity voltage.
6. Press the power switch up to the on position.
7. Generate detectable voltage by moving your body or shuffling your feet.
Watch the front-panel display and note the voltage indicated when the alarm
sounds.
8. Adjust the alarm threshold voltage by turning the proximity threshold knob on
the back-panel. Turn the knob clockwise to activate the alarm at a higher
voltage; turn it counter-clockwise to activate the alarm at a lower voltage.
9. Insert a wrist-strap and connector into the probe jack on the front of the
instrument.

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10. The proximity antenna should already be in place if you followed the above
procedure to adjust the proximity alarm threshold.
11. If you wish to use a chart recorder to provide a permanent record of voltage
readings, insert a connector into the analog out BNC connector.
12. Choose either probe or proximity monitoring by adjusting the display
proximity/probe switch on the back-panel.
NOTE: The peak hold display will show a light at the negative polarity location (the
minus sign) when the instrument is powered up. This serves simply to let you
know that the power is on and the display is functioning. Polarity will automatically
correct itself as the instrument begins data analysis.
Place the proximity antenna at the desired location, if you are monitoring general
ESC activity at the workstation. If you are using the probe monitor, make sure the
wrist-strap is clean and securely in place.
4.1.1 Probe Voltage and Peak Hold Scale
The voltage display on the front of the instrument (Figure 3) has a total of
24 LEDs. The left-most element will light to indicate a negative polarity
reading. The next element will light to indicate a positive polarity reading.
4.1.1.1 LED Display
The next two LED elements are blanks and do not serve a data
reporting function.
The remaining twenty elements indicate the level of ESC
detected at any given moment (probe voltage) or the highest
voltage reading (peak hold) since the last peak hold reset.

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Note: The scale above the LED display range from 5V to 5000V
(see Table 2). They are arranged according to a 3 cycle
logarithmic scale to show voltage readings. Also, each lighted
element indicates a voltage range rather than a single number.
The chart shows the actual voltage at which the LED element
will light, or the beginning of the voltage range for that element.
4.1.1.2 Voltage Scale
LED No. Voltage LED No. Voltage
5 7.1 15 223.3
6 10.0 16 315.5
7 14.1 17 445.6
8 19.9 18 629.5
9 28.1 19 889.1
10 39.7 20 1256
11 56.1 21 1774
12 79.2 22 2506
13 111.9 23 3540
14 158.1 24 5000
NOTE: The instrument has been factory calibrated to assure
accurate readings. No further adjustment should be necessary.
However, ISO certification may require that you have the
instrument calibrated at a NIST certified calibration lab once per
year. Novx will perform this service for a fee.
4.1.2 Battery Operation
For portable operation, Novx offers an internal NiCd battery pack,
available with the instrument. The battery pack requires no external
connections, so there are no exterior indications that a battery is present
in the instrument, other than the presence of lighted LEDs with no external
AC power input. When plugged into an outlet, the instrument maintains a
proper battery charge automatically. The battery charge circuitry is
“intelligent”, monitoring charge rate and voltage level.
CAUTION: Normally the instrument is grounded through the power cord
(if operated with the standard 110VAC transformer) and outlet. When
using the battery pack, it is necessary that the instrument be properly
grounded to assure accurate readings.

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With normal usage, discharge time for the battery pack is a nominal 3
hours. Recharge time is approximately 90 minutes. The instrument
automatically maintains battery charge when plugged into an outlet,
whether the instrument is switched on or not. The user may continue to
operate the instrument during the recharge process.
NOTE: Since there are no external battery condition indicators, there will
be no warning when the battery charge is low. If the instrument is
operated to the point of charge depletion, generally the audible alarm will
start sounding erratically. At that point the instrument becomes inoperable
until plugged back in to the AC power source. The instrument will not be
harmed if the battery is discharged.
For those users who also have the Novx Training Light Tower, it is
important to note that the tower will not function when operating the
instrument from the battery pack, it will only function when plugged into
AC power.
4.1.3 Remote Probe
Novx offers a remote probe option that enables the user to accurately
measure DC (or near DC) voltage at individual components, parts or
assemblies. The remote probe is not intended for measuring AC or high
frequency signals.
To install the remote probe, insert the probe cable’s BNC connector into
the Analog-in jack on the front-panel of the instrument or the Analog-in
jack (Figure 1, item 11) on the rear-panel. A rear-panel toggle switch
selects the Analog-in function (Figure 2, item 4).
The switch should be in the up position for operation of the remote probe
or other analog in uses, and in the down position for all other operations.
This enables the instrument to compensate for circuit differences when the
remote probe is in use.
NOTE: Having the toggle switch(s) positioned incorrectly will not harm the
instrument. Movement of the remote probe cable may cause a voltage to
be indicated because of triboelectric charging within the coaxial cable.
The best methodology is to place the probe for a measurement, press the
reset button and then take the reading.
Novx incorporates several design features to ensure accurate readings
with the remote probe. A special low noise coaxial cable, which will not
act as an antenna or significant signal source, is used to connect the
remote probe to the instrument. The probe is grounded, and the only
active part is the probe tip, which is replaceable. This is a contact probe

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and is too small to act as an antenna. These features help to ensure
accurate, reliable readings for ESD voltages.
CAUTION: The remote probe (with its coaxial cable) is calibrated to a
specific instrument and is accurate only with that same instrument. The
remote probe is serialized with the same number as the calibrated
instrument. For those users having multiple instruments, it is imperative
that probes be kept with the proper instrument.
4.1.4 Charge Plate Decay Time Testing
The optional internal high voltage switching power supplies may be used
to perform charge plate decay time testing.
1. Connect a charge plate to the instrument using a pair of banana plug
wires.
2. Connect one wire to the probe input banana plug (Figure 2:2, item 1),
and the ground wire to the gnd banana plug (Figure 2:2, item 2). A
coaxial banana to banana cable may be used, but be aware of the
capacitance added by the cable.
3. Activate the power supplies by momentarily pressing the power switch
(Figure 2, item 10). Press up for ≈+1200VDC or press down for ≈-
1200VDC.
4. The decay time may then be measured.
NOTE: Novx also offers a Data Acquisition Software System for use with
the instrument. The system consists of a PCMCIA data acquisition card
that plugs directly into any PCMCIA slot (most all notebook computers
have such slots) and application software which easily collects, displays
and stores data for analysis. The software is very user-friendly and offers
total versatility in setup and operation.
Information about the Data Acquisition Software System (Figure 4) is
available from sales or at www.novxcorp.com.

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5. Series 6150 Training Light Tower
The following information guides you through the setup and use of the
Novx Series 6150 Training Light Tower. The tower is used in conjunction
with the Novx Series 5000 which dramatically improves your ability to
demonstrate ESC and its sources to an audience.
One of the biggest issues with ESD training is the ability to physically
demonstrate static electricity to employees who will be involved in
production processes where static is a major concern. With the ability to
demonstrate the cause and effect relationship of ESD generation,
personnel become much more conscious of its control in the production
environment.
5.1 Specifications
The tower uses an array of 20 lamps to indicate voltage measurements on a 3
cycle logarithmic scale, and 2 lamps to indicate polarity. These lamps operate in
parallel with the LEDs on the instrument. The tower is designed to be usable on a
table for presentations, see footprint and weight shown below.
Indicators 22 lamps
Dimensions 31H x 8W x 4D
Weight 5 lbs.
Power Supplied by Instrument
5.2 Setup
The tower requires the instrument as a power and data collection source. The
instrument must have the tower drive option installed to be used with the tower.
NOTE: If the instrument does not have the tower drive option, the instrument can
be returned to Novx for upgrade. Contact your sales representative for pricing
information.
Complete the instrument setup procedure as described in the Series 5000 Setup
and Operation section, page 4 of this manual. Pay particular attention to the
training tower drive ribbon cable connector (Figure 3, item 14).
1. Connect the ribbon cable, which was included in the package with the tower, to
the tower drive connector. This is a keyed, 50 pin ribbon connector. Pressure
should be applied evenly across the connector head to assure a solid
connection.
2. Press the Input Ext/Int switch down to the Int position.

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3. Determine whether or not you wish to use the probe and/or proximity filter
option. If you wish to mask higher frequency pulses, press the switches up to
turn the filters on. Remember, probe and proximity filter switches can be set
independently.
CAUTION: Use of the probe and proximity filters should be based on a number of
factors including the amount of ESC in the room, the level of AC power noise, and
the nature of your training presentation.
4. Set the probe and proximity alarm switches. Typically in a training situation, you
will want to set these on high so the alarm will be audible to everyone in the
room.
5. Use the display proximity/probe switch to vary your presentation between
demonstrations of ESC generated by a single individual (wrist-strap and
connector in the probe side) and static generated in a general area as detected
by an antenna connected to the proximity side.
6. Connect the appropriate wrist-strap and/or antenna equipment to the front of
the instrument as explained in Series 5000 Setup and Operation section, page
4 of this manual.
7. You are now ready to connect the tower to the instrument. (The connector jack
is on the back and at the bottom of the light tower.)
8. Assemble the upper section to the lower section by carefully aligning the two
sections, pressing them together and securing into place using the “over-
center” latches. Now make the electrical connection by installing the short
jumper cable between the two matching connectors and attaching the drive
cable between the bottom tower connector and the output connector on the
rear of the instrument. When making these connections, align the cable
connector to the mating connector carefully so as not to bend any of the pins.
Now assemble the base to the tower using the same method described above.
The tower assembly may now be set upright on a display table
6. Troubleshooting
The following information addresses questions that may arise in the operation of the
instrument. Most problems are the result of incorrect instrument settings or improper
setup. However, if you are not able to solve your instrument performance problem after
a thorough review of the following information, please contact Novx Customer Service
for further information.

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NOTHING AT ALL IS HAPPENING THE INSTRUMENT DOESN’T SEEM TO HAVE ANY
POWER
•Make sure the wall transformer is connected to the proper AC power, and you have
properly inserted the power cord into the power jack. The fit should be snug and the
locking ring should turn only a few times until it is finger-tight. If the locking ring
continues to turn freely, the power cord is not properly inserted.
•Make sure the power switch is in the up position.
•If the instrument still does not have power, contact Novx Customer Service.
I DON’T THINK THE CALIBRATION IS ACCURATE
Novx takes great care to make sure your instrument is properly calibrated before it leaves
the factory. However, if you wish to verify calibration:
•Connect a high voltage power supply to the probe side of your instrument.
•Set the power supply for a variety of voltage levels from 10 to 5000 volts.
•Monitor the LED display of your instrument to make sure it accurately reflects the
input voltages.
•Repeat the test for the proximity side of the instrument.
•If you find that the calibrations are not accurate, call Novx Customer Service to
arrange a Return Authorization for factory recalibration.
SOME OF THE LEDS AREN’T WORKING
•On both the probe voltage and peak hold displays, the first two LEDs on the left
indicate polarity. However, the next two elements are place holders and do not serve
a display function. They do not light. If any other elements fail to light, call Novx
Customer Service for assistance.
ALL THE PROBE VOLTAGE LEDS ARE LIT AND DON’T SEEM TO CHANGE;
BESIDES, THE PEAK HOLD JUST SITS AT 5000V
•Check the rear-panel of the instrument. If you do not have anything plugged into the
analog-in jack, but you have the Input Ext/Int switch in the up position, you have
effectively overridden the probe side of the instrument. Make sure the Input Ext/Int
switch is in the down position (telling the instrument that its data source is internal)
unless you are certain you had connected a functioning external signal source to the
Analog-in BNC connector.

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THE PEAK HOLD STILL SITS AT 5000V
Press the RESET button
I DON’T SEEM TO BE ABLE TO GET A GOOD CONNECTION TO THE LIGHT TOWER
•If necessary lay the tower face-down on a flat surface. Insert the tower end of the
cable connector from the instrument. Align the notches (pin #1 and the red wire are
to the right as you face the rear of the tower) and apply even pressure until the
latch/ejector ears snap into place. This should assure a good connection.
HOW CAN I CHANGE THE AUDIBLE ALARM SETTINGS?
•To change the probe alarm threshold, check the probe alarm threshold select on the
instrument’s rear-panel. Simply remove the jumper and reinsert it at the desired
voltage as shown on the scale above the pins.
•To change the proximity alarm threshold, make sure the display proximity/probe
switch is in the up position. Insert an antenna cable into the proximity side of the
instrument. While holding the antenna or the cable connector, generate detectable
voltage by moving your body or shuffling your feet (optionally you may use a DC
voltage source). Watch the front-panel display and note the voltage indicated when
the alarm sounds. Adjust the alarm threshold voltage by turning the proximity
threshold knob on the back-panel. Turn the knob clockwise to activate the alarm at
a higher voltage; turn it counterclockwise to activate the alarm at a lower voltage.
I DON’T THINK MY PROBE ALARM IS WORKING PROPERLY. IT ONLY RINGS ONCE,
EVEN IF THE VOLTAGE STAYS ABOVE THE ALARM THRESHOLD
•Your instrument is designed so the probe alarm will sound once, each time probe
voltage meets the preset threshold. If probe voltage remains above the threshold,
the alarm will not continue to sound. However, the proximity alarm will sound when
the proximity voltage meets the preset threshold and will continue to sound until the
voltage drops below the threshold level.
I’M NOT GETTING ANY PLOT/PRINTOUT OF MY INSTRUMENT READINGS
•Check the instrument's rear-panel and make sure you have properly connected a
BNC connector to the analog-out jack. Insert the connector into the jack until the
connector slot fits over the jack pin. Turn clockwise until the connector is secure.
I DON’T THINK THE PROBE IS WORKING
•Sometimes the probe monitor will appear to malfunction because of a faulty wrist-
strap. Make sure your wrist-strap is clean and fits properly.