CT3197B
User Manual
CT3197B HV Probe BNC Converter User Manual
© 2018 Cal Test Electronics. All rights reserved.
Unauthorized duplication of Cal Test Electronics documentation
materials is strictly prohibited. Customers are permitted to
duplicate and distribute Cal Test Electronics documentation for
internal educational purposes only.
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.
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.
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.
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Use Only in Ofce-Type Indoor Setting
The converter is designed to be used in ofce-type indoor
environments. Do not operate high voltage probes:
z In the presence of noxious, corrosive, flammable
fumes, gases, vapors, chemicals, or finely-divided
particulates.
z In environments where there is a danger of any liquid
being spilled on the probe.
z In air temperatures exceeding the specified operating
temperatures.
z In atmospheric pressures outside the specified altitude
limits or where the surrounding gas is not air.
Only Qualied Personnel
This converter is intended for personnel who are trained,
experienced, or otherwise qualied 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 this converter with any probe above its maximum
working voltage ranges.
Must be Grounded
Do not rely on this converter for high voltage probe grounding.
Always properly ground the high voltage probe with its ground lead
before connecting to high voltage circuits. Always disconnect the
probe from high voltage circuits before disconnecting the ground
lead. Do not connect the probe ground lead to any point which is at
a potential other than earth ground.
Cleaning
Use a soft cotton cloth lightly moistened with a mild solution of
detergent and water. Do not allow any portion to be submerged
at any time. Dry thoroughly before attempting to make voltage
measurements. Do not use solvents or solvent fumes as they may
cause deterioration or damage.
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Compliance Statements
EC Declaration of Conformity
The product conforms to the applicable European Union
requirements per the Low Voltage Directive (LVD)
following speci cation as listed in the of cial Journal of the
European Communities:
IEC/EN 601010-031:2015 Safety requirements for electrical
equipment for measurement, control and laboratory use. Part 031:
Safety requirements for hand-held probe assemblies for electrical
measurement and test.
EU RoHS Compliance
These accessories conform to the 2011/65/EU RoHS Directive.
Disposal
municipal waste. Please utilize your local WEEE collection facilities
in the disposition of this product.
2014/35/EU. Compliance was demonstrated to the
(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
Introduction
The CT3197B High Voltage Probe BNC Converter is designed
as an impedance converter to adapt Cal Test High Voltage
Oscilloscope Probes to Digital Multimeters (DMMs) that feature
10MΩ input impedance.
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Features
z Two (2) piece design
z High accuracy (± 0.5%)
z 50 MHz bandwidth
z Gold plated, beryllium copper contacts
Product Overview
CT3956 BNC female
to sheath banana
plug adapter
To DMM
Figure 1 CT3197B: Description
Usage Instructions
z Connect the impedance converter to BNC Adapter
z Connect HV probe to assembled converter
z Plug assembled converter into DMM
PL-10N Impedance
Converter
From
Probe
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Specications
All specications apply to the unit after a temperature stabilization
time of 20 minutes over an ambient range of 25°C ± 5°C.
PL-10N Electrical and
Mechanical Characteristics
Bandwidth
Accuracy ± 0.5%
Maximum Input Voltage
(DC/AC)
Maximum Working
Power
Input Impedance 1.111 MΩ
Dimensions
Weight
48 mm (L) x Ø 16 mm (D)
50 MHz
250 VDC/ 200 Vrms
1 W
25 g
CT3956 Electrical and
Mechanical Characteristics
Maximum Input Voltage
(AC)
Maximum Current 3 A
Input Impedance 50 Ω (BNC)
Dimensions (L x W x H)
Weight
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500 Vrms
70 mm x 28 mm x 14 mm
23 g
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 specications, 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:
22820 Savi Ranch Parkway
Yorba Linda, CA 92887
800-572-1028 or 714-221-9330
caltestelectronics.com
450907-001 Rev. A caltestelectronics.com 6
© 2017 Cal Test Electronics450907-001 Rev. A
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