Cal Test Electronics CT4196 User manual

CT4196
User Manual
!
!
INPUT
EXT.SUPPLY
OUTPUT
65V
MAX
600V
CAT III
600V
≤ ± 8V
9V
200mA MAX
INTO 1MΩ
CAT III
Dierential Mode Common Mode
DC+AC peak
±35 V @ 10x
±35 V±18 V @ 5x
±3.5 V @ 1x
10x
OFF
POWER
Over
Range
5x
1x
CT4196
60 MHz Dierential Probe
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Safety Summary
To avoid personal injury and/or product damage, review and comply with
the following safety precautions. These precautions apply to both operating
and maintenance personnel and must be followed during all phases of
operation, service, and repair of this probe.
A WARNING statement calls attention to an operating procedure,
practice, or condition, which, if not followed correctly, could result
in injury or death to personnel.
A CAUTION statement calls attention to an operating procedure,
practice, or condition, which, if not followed correctly, could result
in damage to or destruction of parts or the entire product.
Do Not Work Alone
Do not work alone when working with high voltages.
Inspect the Probe
Inspect the probe and accessories for cracks and frayed or broken leads
before each use. If defects or damages are noted, DO NOT USE the
probe.
Dry Conditions
Hands, shoes, oor, and work bench must be dry. Avoid making
measurements under humidity, dampness, or other environmental
conditions that might affect safety.
Do Not Remove the Probe’s Casing
Removal of the probe’s casing may expose you to electric shock. If
necessary, disconnect the inputs and outputs of the probe before opening
the case.
Hazardous Contact
To avoid injury, remove jewelry such as rings, watches, and other metallic
objects. Do not touch exposed connections and components when power
is present.
Unexpected Charges
Hazardous voltages may be present in unexpected locations in circuitry
being tested when a fault condition in the circuit exists.
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Capacitors inside the instrument may retain a charge even if the instrument
is disconnected from its source of supply.
Use Only in Ofce-Type Indoor Setting
The probe is designed to be used in ofce-type indoor environments. Do
not operate the probe:
zIn the presence of noxious, corrosive, flammable fumes, gases,
vapors, chemicals, or finely-divided particulates.
zIn environments where there is a danger of any liquid being
spilled on the probe.
zIn air temperatures exceeding the specified operating
temperatures.
zIn atmospheric pressures outside the specified altitude limits or
where the surrounding gas is not air.
Not for Critical Applications
This probe is not authorized for use in contact with the human body or for
use as a component in a life-support device or system.
Do Not Substitute Parts
Do not install substitute parts or perform any unauthorized modication to
the instrument.
Only Qualied Personnel
Only qualied personnel should use this probe. This differential voltage
probe is designed to be used by personnel who are trained, experienced,
or otherwise qualied to recognize hazardous situations and who are
trained in the safety precautions necessary to avoid possible injury when
using such a device.
Observe Maximum Working Voltage
Do not use any probe above its maximum working voltage ranges. See
“Electronic Characteristics” on page 11.
Use Proper Power Source
Do not operate this probe from a power source that applies more than the
voltage specied.
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Must be Grounded
This probe is grounded by the shell of the BNC connector through the
grounding conductor of the power cord of the measurement instrument.
Before making connections to the input leads of this probe, ensure
that the output BNC connector is attached to the BNC connector of the
measurement instrument, and that the measurement instrument is properly
grounded. Whenever it is likely that the ground protection is impaired,
you must make the instrument inoperative and secure it against any
unintended operation.
Compliance and Certications
CE Compliance
This product meets the essential requirements of the applicable European
Directives as follows:
z2014/30/EU: Electromagnetic Directive (EMC)
z2014/35/EU: Low-Voltage Directive (safety)
z2011/65/EU: Restriction of Hazardous Substances Directive
(RoHS)
Electromagnetic Compatibility
This product meets the follow standard(s) of safety for electrical equipment
for measurement, control and laboratory use:
zIEC/EN 61326-1
zIEC/EN 55011
Safety
This product meets the follow standard(s) of safety for electrical equipment
for measurement, control and laboratory use:
zIEC/EN 61010-1
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Disposal of Old Electrical & Electronic Equipment
(Applicable in the European Union and other European
countries with separate collection systems). This product is
subject to Directive 2012/19/EU of the European Parliament
and the Council of the European Union on waste electrical
and electronic equipment (WEEE), and in jurisdictions
adopting that Directive, is marked as being put on the market
after August 13, 2005, and should not be disposed of as
unsorted municipal waste. Please utilize your local WEEE
collection facilities in the disposition of this product and
otherwise observe all applicable requirements.
Terms and Symbols
The following symbols may appear on the product or in its documentation:
Direct current
Both direct and alternating current
Caution, possibility of electric shock
Caution, see documentation for details
Double or reinforced insulation
Earth ground
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Denitions
MEASUREMENT CATEGORY - classication of testing and measuring
circuits according to the types of mains circuits to which they are intended
to be connected.
MEASUREMENT CATEGORY II (CAT II) - measuring circuits
connected directly to utilization points of the low-voltage mains
installation
POLLUTION - addition of foreign matter, solid, liquid, or gaseous (ionized
gases) that may produce a reduction of dielectric strength or surface
resistivity.
POLLUTION DEGREE 2 - only non-conductive pollution occurs except
that occasionally a temporary conductivity caused by condensation is
expected.
Working CAT rating is equal to that of the lowest rated element
within the test set-up.
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Introduction
Overview
The CT4196 differential probe allows safe, accurate measurement
between two voltage points where neither point is referenced to
ground. Designed for high sensitivity measurements, the probe offers
up to 60 MHz bandwidth. Compatible with oscilloscopes from all major
manufacturers, the probe is exclusively powered by the included 9 V
power adapter.
Features
zMeets IEC 61010-1 safety standard
zSelectable attenuation settings of 1x, 5x, and 10x
z60 MHz bandwidth (at 10x attenuation setting)
z50 MHz (at 5x attenuation setting)
z15 MHz (at 1x attenuation setting)
zUp to ±35 V (DC + AC peak) common mode
zHigh accuracy (±2%)
zPower indicator LED
zOver range indicator LED
Initial Inspection
This unit is tested prior to shipment but an initial physical inspection
should be made to ensure that no damage has been sustained during
shipment. After the inspection, verify the contents of the shipment. The
included items for this product are:
zDifferential probe
z(2) Pincer clips, black & red
z(2) Alligator clips, black & red
z(2) Sheathed 4 mm banana plug test leads, silicone jacketed,
black and red
zInsulated BNC cable, 100 cm
z9 V power adapter
zUser manual
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Product Overview
Probe Description
!
!
INPUT
EXT.SUPPLY
OUTPUT
65V
MAX
600V
CAT III
600V
≤ ± 8V
9V
200mA MAX
INTO 1MΩ
CAT III
Dierential Mode Common Mode
DC+AC peak
±35 V @ 10x
±35 V±18 V @ 5x
±3.5 V @ 1x
10x
OFF
POWER
Over
Range
5x
1x
CT4196
60 MHz Dierential Probe
Pincer Clips,
black and red
Alligator Clips,
black and red
Insulated BNC
Cable
Test leads,
black and red
Figure 1 CT4196: Front Panel Features
Over range
Indicator (Red)
Power
Indicator (Red)
External Power
Connection
Attenuation
Selector Switch
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Using the Probe
WARNING At the time of powering on the probe, the input
leads must not be connected to an item to be tested. Never
operate the probe with the case open.
CAUTION This probe is used to carry out differential mea-
surements between two points on the circuit under test. This
probe is not designed for electrically insulating the circuit
under test or the measuring instrument.
Getting Started
1. Connect the BNC output connector to the vertical input of a
general purposed oscilloscope. The oscilloscope must have a
ground referenced.
2. Connect power adapter.
3. Select the proper attenuation ratio. When measuring signals
below 3.5 V, switch the attenuation ratio to 1x. For voltages up
to 18 V, set the attenuation ratio to 5x and for voltages up to 35
V set the attenuation ratio to 10x.
4. The power indicator LED should turn on.
5. Plug the pincer or alligator clips onto the test leads and connect
the circuit under test.
Vertical Scale on Oscilloscope
The actual vertical scale of the oscilloscope is equal to the attenuation
factor multiplied by the range of vertical scale selected on the
oscilloscope. For example, with the probe on factor 10x and the
oscilloscope on 0.5 V/div, the real vertical scale is 10 x 0.5 = 5 V/
div. With the probe on 5x, the real vertical scale is 5 x 0.5 = 2.5 V/
div. These values apply when the oscilloscope is set to the typical 1
MΩ impedance input. When the scope is set to 50 Ω input, the actual
vertical scale will be doubled: 10 V/div for the 10x setting and 5 V/div
for the 5x setting. See the chart below.
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Vertical Scale on Oscilloscope
Scope Input
Impedance Probe Attenuation
Setting
Actual
Attenuation
Setting
Vertical Scale
Reading on the
Oscilloscope
Actual Vertical
Scale of the
Oscilloscope
1 MΩ 1x 1x 0.5 V/div 0.5 V/div
1 MΩ 5x 5x 0.5 V/div 2.5 V/div
1 MΩ 10x 10x 0.5 V/div 5 V/div
50 Ω 1x 2x 0.5 V/div 1 V/div
50 Ω 5x 10x 0.5 V/div 5 V/div
50 Ω 10x 20x 0.5 V/div 10 V/div
Table 1 Oscilloscope Readings
Cleaning
This probe does not require any particular cleaning. If necessary, clean
the case with a soft cloth.
WARNING
Dry the probe thoroughly before attempting to make voltage
measurements.
CAUTION
Avoid immersing or using abrasive cleaners or solvents
containing Benzene (or similar solvents) on the probe as
these can cause deterioration of the probe body and cables.
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Specications
All specications apply to the unit after a temperature stabilization time
of 20 minutes over an ambient range of 25°C ± 5°C.
Electrical Characteristics
Bandwidth 60 MHz (10x attenuation)
50 MHz (5x attenuation)
15 MHz (1x attenuation)
Rise Time 5.8 ns for 10x
7 ns for 5x
23 ns for 1x
Attenuation 1x, 5x, 10x
Accuracy ±2% *
AC CMRR 80 dB @ 60 Hz 60 dB @ 100 Hz
50 dB @ 1 MHz
Maximum Input Voltage
(1x)
(DC + AC peak)
±3.5 V
Maximum Input Voltage
(5x)
(DC + AC peak)
±18 V
Maximum Input Voltage
(10x)
(DC + AC peak)
±35 V
Absolute Maximum Rated
Input Voltage (each side
to ground) 600 Vrms
Input Impedance
(Differential) 1 MΩ // 2.5 pF
Input Impedance (each
side to ground) 0.5 MΩ // 5 pF
Output Voltage Swing ±4 V (driving 1 MΩ oscilloscope input)
Offset (typical) ±5 mV
Noise (typical) 2 mVrms
Source Impedance 50 Ω
Power Supply 9 V power adapter (included)
* Accuracy based on DMM with 10 MΩ input impedance.
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Environmental Characteristics
Operating Temp/Humidity 0°C to 50°C / 10% to 85% RH
Storage Temp/Humidity -30°C to 70°C / 10% to 90% RH
Pollution Degree Pollution Degree 2
Safety Specications
IEC 61010-1 CAT II
Mechanical Characteristics
Weight 250 g
Dimensions 195 x 55 x 30 mm
BNC Cable Length 100 cm
Input Leads Length 55 cm each
Specications are subject to change without notice. To ensure the most current version of this
manual, please download the current version from our website: caltesetlectronics.com.
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Voltage Derating Curve
The derating curve of the absolute maximum input voltage in common
mode is shown as follows:
1KHz 1MHz 10MHz10KHz 100KHz 100MHz
Frequency
40
20
30
10
Volgage (DC+ACpeak)
CT4196 Maximum Input Voltage Derating Curve
35
25
20
15
Figure 2 CT4196: Derating Curve
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]

Cal Test Electronics
Service & Warranty Information
Limited One-Year Warranty
Cal Test Electronics warrants these products to be free from defective
material or workmanship for a period of 1 year from the date of original
purchase. Under this warranty, Cal Test Electronics is limited to
repairing the defective device when returned to the factory, shipping
charges prepaid, within the warranty period.
Units returned to Cal Test Electronics that have been subject to abuse,
misuse, damage, or accident, or have been connected, installed, or
adjusted contrary to the instructions furnished by Cal Test Electronics,
or that have been repaired by unauthorized persons, will not be
covered by this warranty.
Cal Test Electronics reserves the right to discontinue models, change
specications, price, or design of this device at any time without notice
and without incurring any obligation whatsoever.
The purchaser agrees to assume all liabilities for any damages and/or
bodily injury which may result from the use or misuse of this device by
the purchaser, his employees, or agents.
This warranty is in lieu of all other representations or warranties
expressed or implied and no agent or representative of Cal Test
Electronics is authorized to assume any other obligation in connection
with the sale and purchase of this device.
Service
If you have a need for calibration or repair services, technical, or sales
support, please contact us:
www.GlobalTestSupply.com
Find Quality Products Online at: [e-mail]