High-speed, high-voltage measurement unit NR-HV04

Model

NR-HV04 ^*1

Type

High-speed, high-voltage measurement unit

Input method

Insulated single-end input, channels insulated from each other, input channels insulated from other units (PC)

Number of channels

4 ch ^*2

Measurement cycle

Maximum sampling cycle: 1 μs (1 MHz) to 60 s

A/D converting system

Successive approximation, simultaneous sampling of all channels

A/D resolution

14 bit

Input frequency band

250 kHz (−3 dB or more)

Input type

±1000 V, ±500 V, ±200 V, ±100 V, ±50 V, ±20 V, ±10 V, ±5 V, ±2 V

Low pass filter

PASS, 7 Hz, 500 Hz, 50 kHz (−12 dB/oct)

Maximum input voltage

[When using OP-35409 1:1 voltage-resistant probe] 1000 V peak and 700 Vrms, or 700 VDC;
[When using OP-84266 1:1 voltage-resistant probe] 300 VDC + AC peak;
[When using OP-71802 10:1 voltage-resistant probe] 1000 VDC + AC peak; [Direct input] 60 VDC + AC peak
^*3

Digital filter

Averaging rate: 1 to 128 (automatically selected)

Withstand voltage

Input to system bus/earth

2200 VAC (50/60 Hz) for 1 minute

Connector format

Insulated BNC connector

Input impedance

1 MΩ ±1%, approx. 30 pF

Input coupling

AC/DC/AC-RMS/DC-RMS

Measurable range

±1000 V: −1000.00 to +1000.00 V
±500 V: −550.00 to +550.00 V
±200 V: −220.00 to +220.00 V
±100 V: −110.000 to +110.000 V
±50 V: −55.000 to +55.000 V
±20 V: −22.000 to +22.000 V
±10 V: −11.0000 to +11.0000 V
±5 V: −5.5000 to +5.5000 V
±2 V: −2.2000 to +2.2000 V

Measurement accuracy

±0.1% of F.S.

Display resolution

±1000 V: 50 mV
±500 V: 20 mV
±200 V: 10 mV
±100 V: 5 mV
±50 V: 2 mV
±20 V: 1 mV
±10 V: 0.5 mV
±5 V: 0.2 mV
±2 V: 0.1 mV

Buffer memory

16M data^*4

Warm up time

30 minutes or more

RMS measurement function

Number of channels

4 ch

Maximum allowable voltage to ground

[When using OP-35409 1:1 voltage-resistant probe] Measurement terminal, GND terminal: 300 Vrms (CAT II);
[When using OP-84266 1:1 voltage-resistant probe] Measurement terminal, GND terminal: 300 Vrms (CAT II);
[When using OP-71802 10:1 voltage-resistant probe] Measurement terminal: 700 Vrms (CAT II), GND terminal: 300 Vrms (CAT II);
[Direct input] Measurement terminal, GND terminal: 42.4 Vpeak and 30 Vrms, or 60 VDC
^*3

RMS measurement function

Accuracy

Sine wave: 20 Hz to 1 kHz, ±0.5% of F.S.; 1 to 20 kHz, ±1.5% of F.S.; Crest factor: 4 or less; Response time: 500 ms

Residual noise level

0.01% of F.S., LPF: 500 Hz (200 μs/S, digital filter: ON) (typ.); 0.05% of F.S., LPF: PASS (typ.)

Calculationfunction

CH1 to CH2, CH3 to CH4 (Single-channel usage not possible when using the calculation function)

Common mode noise reduction ratio

80 dB or more (at max. 60 Hz DC) (typ.)

Rating

Power consumption

3 W or less

Environmental resistance

Insulation resistance

500 VDC, 10 MΩ or more

Ambient temperature

0 to +40°C 32°F to 104°F

Relative humidity

10 to 85% RH (no condensation)

Weight

Approx. 270 g 9.53 oz