Details

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PROSTAT - Contact Voltmeter CVM780
Brand : Prostat
Model : CVM780

Product Features
 

• High Impedance Hand-Held Electrostatic Contact Voltmeter
• Easily Measure Voltages on Conductors with Pinpoint Accuracy
• Measures actual Potential on any Conductor
• Includes 2 Ceramic Tips to Prevent Discharge
• Ranges from 0 to ±525 Volts with and accuracy of <±1%
• Powered by Rechargeable Nickel Metal Hydride Batteries
• Large, Easy to Read LCD Display
• Meets requirements of ANSI/ESD S20.20
• Certificate of Calibration Traceable to NIST included

Technical Specifications
 

Characteristics
Intended Operating Range1	0 to ±525 volts
Resolution	1 volt, 3 digit display
Circuit Accuracy	<±1%
Response Time	Approximately 1ms for a voltage step of 200V at the probe tip to the monitor output.
Digital Display Update	3 readings per second
Input Charge/Measurement	Approximately 100 femptocoulomb/volt (1.0x10-13 C/V)
Input Impedance	≥1014 ohm in Parallel with <1pF Capacitance
Monitor Output	Scale Factor: 10,000:1; 100uV/V (Compatible with Prostat PGA-710B Autoanalysis System™)
	Recording Deviation: Typically < ±10 volts at ± 500 Volts
Probe Tips	Metal: Nominally 0.95 and 0.45 inch Ceramic: 0.90 and 0.40 inch ±0.05”
Portable Operation	Approximately 3.5 hours on Full Battery Charge (Operates during Battery Charge)
Power	4 each Energizer NH15-2500 Nickel-Metal Hydride rechargeable batteries (AA Size)
Charger	Universal 90 to 264 Volts, 47 to 63 Hz
Meter Dimensions without boot (WxHxD)	10.8 cm x 4.0 cm x 16.5 cm 4.25 in x 1.57 in x 6.5 in
Meter Dimensions with boot (WxHxD)	10.8 cm x 6.0 cm x 19.1 cm 4.25 in x 2.36 in x 7.5 in
Probe Dimensions (WxHxL)	3.7 cm x 2.0 cm x 23.5 cm 1.5 in x 0.78 in x 9.25 in
Meter Weight with boot	24 oz (1.5 lb)
Probe Weight	3.6 oz (0.225 lb)
Warranty	1 Year Limited Warranty

¹ Maximum measurement range is ±575 Volts for brief periods.

Measurement Tolerances

Voltage	Accuracy1
	When measuring DC voltage reference	When measuring floating conductors
500 Volts	≤±2 Volts	≤±5% ±2 Counts
100 Volts	≤±2 Volts	≤±5% ±2 Counts
50 Volts	≤±2 Volts	≤±5% ±2 Counts
10 Volts	≤±1 Volt	≤±10% ±2 Counts