Prostat CVM-780 - General Specifications

21
Rev. D / January 2015
CVM-780 Contact Voltmeter

Basic Descripon: High impedance contact voltmeter with acve probe
DC Characteriscs: Intended Operang Range: 0 to ±525 volts
Resoluon: 1 volt, 3 digit display
Circuit accuracy: <±1%
Maximum measurement range is ±575 Volts for brief periods
Dynamic Characteriscs: Response Time: Approximately 1ms for a voltage step of 200V at the probe
p 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: ≥10
14
ohm in parallel with <1pF Capacitance
Monitor Output: Scale Factor: 10,000:1; 100uV/V (Compable with Prostat® PGA-710 or PGA-
710B Autoanalysis System™)
Recording Deviaon: Typically < ±10 volts at ± 500 Volts
Measurement Tolerances: When measuring DC voltage reference
500 V ≤±5 V
100 V ≤±2 V
50 V ≤±2 V
10 V ≤±1 V
When measuring oang conductors
500 V ≤±5% ±2 Counts
100 V ≤±5% ±2 Counts
50 V ≤±5% ±2 Counts
10 V ≤±10% ±2 Counts
Probe Tips: Nominally 0.95 and 0.45 inch
 0.90 and 0.40 inch ±0.05”
Portable Operaon: Approximately 3.5 Hours on Full Baery Charge
(Operates during Baery Charge)
Power: 4 each Energizer NH15-2500 Nickel-Metal Hydride rechargeable baeries
(AA Size)
Charger: Universal 90 to 264 Volts, 47 to 63 Hz
Meter Dimension 6.5 in (16.5 cm) L x 4.25 in (10.8 cm) W x 1.57 in (4.0 cm) H
(without boot):
Meter Dimension 7.5 in (19.1 cm) L x 4.25 in (10.8 cm) W x 2.36 in (6.0 cm) H
(with boot):
Probe Dimension: 8.9 in (22.5 cm) L x 1.5 in (3.7 cm) W x 0.78 in (2.0 cm) H
Meter Weight: 1.5 lbs, with boot
Probe Weight: 3.6 oz