Pulse measurement unitNR-FV04

Model

NR-FV04^*1

Type

Pulse measurement unit

输入法

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或更多）

Low pass filter

通行证，1.5 kHz，15 kHz，50 kHz

Pulse input

输入类型

Pulse frequency, pulse count (Single-phase input)

Maximum input voltage

±700 v^*3

Threshold voltage

+100 V，+50 V，+20 V，+10 V，+5 V， +2.5 V，+1 V，+500 mV，+250 mV，+100 mV，+50 mV，0 V

最小脉冲持续时间

2 μs or more for both ON and OFF

Hysteresis

AUTO, 100 mV, 500 mV, 5 V

Pulse divisions

1 to 64 (Can be set to units of 1 division)

Input coupling

DC rising edge, DC falling edge, AC rising edge, AC falling edge

Digital filter

Pulse frequency: Averaging rate of 1 to 32768 (automatically selected), Pulse count: None

Predictive functions

预测计算，停止预测（OFF，×1.5，×3，×5，×8，×16）

Sensor power output

使用OP-88003时，OP-88003（AUX POWER）×2的专用连接器;+12 V，50 mA或+5 V，50 mA
NPN开放式输出输出可连接，传感器电源不会与系统总线绝缘

Voltage input

输入类型

±100 V, ±50 V, ±20 V, ±10 V, ±5 V, ±2 V

Maximum input voltage

±700 v^*3

Digital filter

Averaging rate: 1 to 128 (automatically selected)

Input coupling

DC, AC

Common mode noise reduction ratio

80 dB或更多（最多60 Hz DC）

Residual noise level

F.S.的0.02％，LPF：1.5 kHz（200μs/s，数字过滤器：ON）;F.S.的0.05％，LPF：通过

测量范围

Pulse frequency

Measurable range: 0.05 to 16000.00 Hz, Display resolution: 0.01 to 1.00 Hz (selected automatically according to frequency)

Pulse count

可测量范围：0到65,000/采样周期，显示分辨率：1计数

±100 V

Measurable range: −110.000 to +110.000 V, Display resolution: 5 mV

±50 V

Measurable range: −55.000 to +55.000 V, Display resolution: 2 mV

±20 V

Measurable range: −22.000 to +22.000 V, Display resolution: 1 mV

±10 V

Measurable range: −11.0000 to +11.0000 V, Display resolution: 0.5 mV

±5 V

Measurable range: −5.5000 to +5.5000 V, Display resolution: 0.2 mV

±2 V

Measurable range: −2.2000 to +2.2000 V, Display resolution: 0.1 mV

测量精度

Pulse frequency

RDG的±0.07％，±0.01 Hz（20 Hz至15 kHz，20 ms/s，数字过滤器打开）

Voltage input

F.S.的±0.1％

耐压

输入系统总线/earth

2200 VAC (50/60 Hz) for 1 minute

连接器格式

Insulated BNC connector

Input impedance

1 MΩ ±1%, approx. 30 pF

Buffer memory

16M data^*4

Warm up time

30 minutes or more

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);
[使用OP-7180​​2 10：1抗压探头]测量端子：700 VRMS（CAT II），GND端子：300 VRMS（CAT II）；
[Direct input] Measurement terminal, GND terminal: 42.4 Vpeak and 30 Vrms, or 60 VDC
^*3

Rating

Power consumption

4 W or less (including OP-88003 sensor power supply)

环境阻力

Insulation resistance

500 VDC，10MΩ或更多

Ambient temperature

0 to +40°C32°F to 104°F

相对湿度

10％至85％RH（无凝结）

Weight

大约270克9.53 oz