Fluke 106 User manual

June 2013, Rev. 1,10/15
© 2013-2015 Fluke Corporation. All rights reserved. Specifications are subject to change without notice.
All product names are trademarks of their respective companies.
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Digital Multimeters
Users Manual
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i
Table of Contents
Title Page
Introduction...............................................................................................................1
How to Contact Fluke...............................................................................................1
Safety Information ....................................................................................................2
Instrument Overview.................................................................................................8
Terminals..............................................................................................................8
Display..................................................................................................................9
Auto Power Off .........................................................................................................10
Auto Backlight Off.....................................................................................................11
Measurements..........................................................................................................11
Data Hold .............................................................................................................11
Measure AC and DC Voltage...............................................................................12
Measure AC or DC Current..................................................................................14
Measure Resistance.............................................................................................16
Test for Continuity ................................................................................................16
Test Diodes (107 Only) ........................................................................................18
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Users Manual
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Measure Capacitance...........................................................................................19
Measure Frequency and Duty Cycle (107 Only) ..................................................19
Maintenance.............................................................................................................20
General Maintenance ...........................................................................................21
Test the Fuse........................................................................................................22
Replace Batteries and the Fuse ...........................................................................22
Service and Parts .....................................................................................................24
General Specifications..............................................................................................25
Accuracy Specifications............................................................................................28
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Digital Multimeters
Safety Information
3
 Warning
To prevent possible electrical shock, fire, or personal injury:
•Carefully read all instructions.
•Read all safety information before you use the Product.
•Use the Product only as specified, or the protection supplied by the Product
can be compromised.
•Do not use the Product around explosive gas, vapor, or in damp or wet
environments.
•Do not use the Product if it is damaged.
•Disable the Product if it is damaged.
•Do not use the Product if it operates incorrectly.
•Examine the case before you use the Product. Look for cracks or missing
plastic. Carefully look at the insulation around the terminals.
•Use only correct measurement category (CAT), voltage, and amperage rated
probes, test leads, and adapters for the measurement.
•Measure a known voltage first to make sure that the Product operates
correctly.
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Users Manual
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•Do not use test leads if they are damaged. Examine the test leads for damaged
insulation and measure a known voltage.
•Do not apply more than the rated voltage, between the terminals or between
each terminal and earth ground.
•Do not use the HOLD function to measure unknown potentials. When HOLD is
turned on, the display does not change when a different potential is measured.
•Do not touch voltages >30 V ac rms, 42 V ac peak, or 60 V dc.
•Keep fingers behind the finger guards on the probes.
•Remove all probes, test leads, and accessories before the battery door is
opened.
•Do not exceed the Measurement Category (CAT) rating of the lowest rated
individual component of a Product, probe, or accessory.
•Remove the input signals before you clean the Product.
•Have an approved technician repair the Product.
•Remove the batteries if the Product is not used for an extended period of time,
or if stored in temperatures above 50 °C. If the batteries are not removed,
battery leakage can damage the Product.
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Digital Multimeters
Safety Information
5
•Replace the batteries when the low battery indicator shows to prevent
incorrect measurements.
•Use only specified replacement parts.
•Use only specified replacement fuses.
•Limit operation to the specified measurement category, voltage, or amperage
ratings.
•Do not use test leads if they are damaged. Examine the test leads for damaged
insulation and measure a known voltage.
•Do not use in CAT III or CAT IV environments without the protective cap
installed. The protective cap decreases the exposed probe metal to <4 mm.
This decreases the possibility of arc flash from short circuits.
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Table 1 is a list of the symbols used on the Product and in this manual.
Table 1. Symbols
Consult user documentation. WARNING. RISK OF DANGER.
Static awareness. Static discharge
can damage part(s). WARNING. HAZARDOUS VOLTAGE. Risk of electric shock.
AC (Alternating Current) Earth
DC (Direct Current) Capacitance
Both direct and alternating current Diode
Battery Fuse
Conforms to relevant South Korean
EMC Standards Certified by TÜV SÜD Product Service.
Conforms to European Union
directives. Certified by CSA Group to North American safety standards.
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Digital Multimeters
Safety Information
7
Table 1. Symbols (cont.)
Measurement Category II is applicable to test and measuring circuits connected directly to
utilization points (socket outlets and similar points) of the low-voltage MAINS installation.
Measurement Category III is applicable to test and measuring circuits connected to the
distribution part of the building’s low-voltage MAINS installation.
Measurement Category IV is applicable to test and measuring circuits connected at the
source of the building’s low-voltage MAINS installation.

This product complies with the WEEE Directive marking requirements. The affixed label
indicates that you must not discard this electrical/electronic product in domestic household
waste. Product Category: With reference to the equipment types in the WEEE Directive
Annex I, this product is classed as category 9 "Monitoring and Control Instrumentation"
product. Do not dispose of this product as unsorted municipal waste.
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Instrument Overview
Terminals
1 2 3
hhc01.eps
Item Description
Input terminal for ac and dc current measurements to 10 A and current frequency (107 only)
measurements.
Common (return) terminal for all measurements.
Input terminal for voltage, resistance, continuity, diode (107 only), capacitance, and
frequency (107 only) measurements.
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Digital Multimeters
Instrument Overview
9
Display
Figure 1 and Table 2 show the items on the Product display.
1 2 3 4 5 6 7 8
9
10
11
12
1314
hhc02.eps
Figure 1. Display
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Table 2. Display
Item Description Item Description
High voltage Frequency is selected
Display Hold is enabled Farads
Continuity selected Millivolts
Diode test is selected Amps or volts
Duty Cycle is selected Dc or ac voltage or current
Decimal prefix Auto Range mode is enabled
Ohms is selected Low battery. Replace battery.
Auto Power Off
The Product automatically powers off after 20 minutes of inactivity.
To restart the Product, turn the rotary switch back to the OFF position and then to a
necessary position.
To disable the Auto Power Off function, hold down the YELLOW button when turning on the
Product, until PoFF shows on the display.
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Digital Multimeters
Auto Backlight Off
11
Auto Backlight Off
The backlight automatically turns off after 2 minutes of inactivity.
To disable the Auto Backlight Off function, hold down when turning on the Product, until
LoFF shows on the display.
Note
To disable both the Auto Power Off function and the Auto Backlight Off function, hold
down the YELLOW button and  at the same time, until both PoFF and LoFF show on
the display.
Measurements
Data Hold
 Warning
To prevent possible electrical shock, fire or personal injury, do not use the HOLD
function to measure unknown potentials. When HOLD is turned on, the display
does not change when a different potential is measured.
To hold the present reading, push . Push again to continue normal operation.
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Measure AC and DC Voltage
To measure ac and dc voltage:
1. Choose ac or dc by turning the rotary switch to or .
2. Connect the red test lead to the terminal and the black test lead to the COM
terminal.
3. Measure the voltage by touching the probes to the correct test points of the circuit.
4. Read the measured voltage on the display.
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Digital Multimeters
Measurements
13
Volts AC Volts DC Millivolts AC
hhc03.eps
Figure 2. Measure AC and DC Voltage
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Users Manual
14
Measure AC or DC Current
 Warning
To prevent possible electrical shock, fire, or personal injury, remove circuit power
before you connect the Product in the circuit when you measure current. Connect
the Product in series with the circuit.
1. Turn the rotary switch to .
2. Push the YELLOW button to toggle between ac or dc current measurement.
3. Connect the red test lead to the Aterminal to be measured and connect the black test
lead to the COM terminal.
4. Break the circuit path to be measured.
5. Connect the test leads across the break and apply power.
6. Read the measured current on the display.
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Digital Multimeters
Measurements
15
AC
hhc04.eps
Figure 3. Measure AC and DC Current
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Measure Resistance
1. Turn the rotary switch to (106 does not have ). Make sure power is disconnected
from the circuit to be measured.
2. Connect the red test lead to the terminal and the black test lead to the COM
terminal.
3. Measure the resistance by touching the probes to the desired test points of the circuit.
4. Read the measured resistance on the display.
Test for Continuity
With the resistance mode selected, push the YELLOW button once to activate the continuity
mode. If the resistance is <70 Ω, the beeper sounds continuously, designating a short circuit.
If the Product reads , the circuit is open.
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Digital Multimeters
Measurements
17
< 70
hhc05.eps
Figure 4. Measure Resistance/Continuity
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Test Diodes (107 Only)
1. Turn the rotary switch to .
2. Push the YELLOW button twice to activate the diode test mode.
3. Connect the red test lead to the terminal and the black test lead to the COM
terminal.
4. Connect the red probe to the anode and the black test lead to the cathode of the diode
being tested.
5. Read the forward bias voltage value on the display.
6. If the polarity of the test leads is reversed with diode polarity, the display reading shows
. This can be used to distinguish the anode and cathode sides of a diode.
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Digital Multimeters
Measurements
19
Measure Capacitance
1. Turn the rotary switch to .
2. Connect the red test lead to the terminal and the black test lead to the COM
terminal.
3. Touch the probes to the capacitor leads.
4. Let the reading stabilize (up to 18 seconds).
5. Read the capacitance value on the display.
Measure Frequency and Duty Cycle (107 Only)
The Product can measure frequency or duty cycle while making either an ac voltage or an ac
current measurement.
1. Push
to change the Product to frequency or duty cycle.
2. When the Product is in the required function (ac voltage or ac current), push .
3. Read the frequency on the display.
4. To make a duty cycle measurement, push again.
5. Read the percent of duty cycle on the display.
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