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CVM-780 Contact Voltmeter™ 은 환경 간섭 요인을 최소화하도록 완전한 보호와 차폐 기능으로 설계된 능동형 프루브를 사용합니다. 두 개의 특별히 설계된 세라믹 팁과 두 개의 도금된 금속 팁이 함께 제공됩니다.
세라믹 팁(Tip)은 EMI와 RFI가 주로 우려되는 제조 현장에서ESD에 민감한 소자와 제조 보조 기구의 방전 위험을 측정하도록 설계되었습니다.
기술 사양
DC CHARACTERISTICS Intended Operating Range: 0 to ±525 volts
RESOLUTION 1 volt, 3 digit display
CIRCUIT ACCURACY <±1%
Note: Maximum measurement range is ±575 Volts for brief periods
DYNAMIC CHARACTERISTICS 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 (1.0×10-13 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
MEASUREMENT TOLERANCE When measuring DC voltage reference:
500 V Less or Equal to ±2 V
100 V Less or Equal to ±2 V
50 V Less or Equal to ±2 V
10 V Less or Equal to ±1 V
When measuring floating conductors:
500 V Less or Equal to ±5% ±2 Counts
100 V Less or Equal to ±5% ±2 Counts
50 V Less or Equal to ±5% ±2 Counts
10 V Less or Equal to ±10% ±2 Counts
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 the boot:
6.5 in (16.51 cm) L x 4.0 in (10.16 cm) W x 1.75 in (4.445 cm) H
With the boot:
7.5 in (19.05 cm) L x 4.25 in (10.795 cm) W x 2.25 in (5.715 cm) H
METER WEIGHT Without the boot: 10.6 oz. (300 gr)
With the boot: 20 oz. (567 gr)
PROBE DIMENSION 8.75 in (22.225 cm) L x 1.5 in (3.81 cm) W x 0.75 in (1.905 cm) H
PROBE WEIGHT 3.6 oz. (102 gr)