SPECIFICATIONS
Attenuate Ratio 1 : 1000.
Input Impedance Approx. 1000 M ohm.
Output Around 1.1 M ohm. The input impedance of external voltmeter
Impedance should be 10 mega ohm.
Safety Meet CAT II 40000 V
Max. Working DCV DC 40 KV
Voltage ACV Peak AC 40 KV or 28 KV rms
( depend which values is larger ).
Accuracy DCV 1 KV to 20 KV - ± 1 %.
20 KV to 40 KV - ± 1.5 %.
ACV 1 to 28 KV rms, 50/60 Hz - ± 5 %.
Temp Coefficient Less than 200 ppm/蚓.
Operating Temperature 0 to 50 ℃ ( 32 to 122 ℉ ).
Operating Humidity Less than 80% RH.
Cable Length 1 meter.
OPERATION
Connect the plugs to the volts ( Hi ) & com ( Lo ) input terminals of your voltmeter ( or
Multimeter ). Select the desired range of voltmeter ( Attention : Do not use auto ranging ).
Whenever possible, turn the high voltage source off before making any connections. Connect
the HV probe common lead ( alligator clip ) to a good earth ground or reliable chassis ground.
SAFETY PRECAUTION & WARNING !!!
* This high voltage probe must be used by the person who are trained only. Do not work alone
when working with high voltage circuits & environment.
* For your own safety, inspect the probes for cracks & frayed or broken leads before each use.
If any defects are noted, do not use the probes.
* Hands, shoes, floor & work bench must be dry. Avoid making measurements under humid,
damp or other environmental conditions that might affect the safety of measurement
situation.
* The ground connection must always be made before the probe tip comes into contact with
the high voltage & must not be removed until after the probe tip has been removed from
high voltage source.
* Do not attempt to take measurement from sources where the chassis or return lead is not
ground.
* If possible, always turn the high voltage source off before connecting or disconnecting the
probe.
* Before turning the high voltage on, make sure that no part of your body is in contact with
the device under test.
* The probe body should be kept clean & free of any conductive contamination. Clean only
the exterior probe body & cables. Use a soft cotton cloth lightly moistened with a mild
solution of detergent & water. Do not allow any portion of the probe to be submerged at
any time.
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