6.5KV
CAT III
INPUT
6.5KV
CAT III
±3.5V
100x
POWER OVER RANGE
200x
500x
1000x
OFF
Dierential Mode Common Mode
±3500 V @ 1000x
±1700 V @ 500x
±700 V @ 200x
±350 V @ 100x
±3500 V
DC+AC peak
MHz Dierential Probe
OUTPUT
≤ ± 8V
INTO 1MΩ
EXT.SUPPLY
9V
200mA MAX
CT4071
CT4072
User Manual
CT4071 and CT4072 Differential Probes User’s Manual
© 2017 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.
450886-001 Rev. A caltestelectronics.com 1
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.
450886-001 Rev. A caltestelectronics.com 2
Capacitors inside the instrument may retain a charge even if the instrument
is disconnected from its source of supply.
Use Only in Ofce-Type Indoor Setting
The probe is designed to be used in ofce-type indoor environments. Do
not operate the probe:
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.
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 modication to
the instrument.
Only Qualied Personnel
Only qualied personnel should use this probe. This differential voltage
probe is designed to be used by 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 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 specied.
450886-001 Rev. A caltestelectronics.com 3
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 Statements
EC Declaration of Conformity
The product conforms to the applicable European Union
requirements per 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
The probe and accessories conform to the 2011/65/EU RoHS2 Directive.
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.
This probe is in compliance with IEC-61010-031 CAT II, Pollution Degree
2.
450886-001 Rev. A caltestelectronics.com 4
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