日图仪表WR3-V Amplifier
WR3-V Amplifier
(for voltage measurement)
日图WR3-V(用于电压测量)

No. of channels 2 channels per unit
Input configuration Independent unbalanced input for each channel (floating ground)
Input resistance1 M1%
Input coupling AC, DC, GND, CAL, (1/2 F.S.), OFF（ 记录纸、记录笔 ）
Measurement range 50, 100, 200, 500 mV/F.S.
1, 2, 5, 10, 20, 50, 100, 200 V/F.S.
Input filters Line: 1.5 Hz (®C3 dB) at ®C6 dB/oct Low-pass : 5 Hz, 10 Hz, 50 Hz, 500 Hz, 5 kHz, 50 kHz (®C3 dB) at ®C6 dB/oct Accuracy (23C) 0.25% of F.S. Temperature coefficients Zero point: 0.02% of F.S. /
Gain: 0.02% of F.S. /
Insulation resistance100 M (at 500 V DC)
Isolation voltage Between input terminal and casing: 1 minute at 1,000 V AC
Permissible signal source resistance Max. 1 k
A/D converter Sampling interval: 1
A/D resolution: 12 bits（ 记录纸、卷纸、记录笔 ）
Common mode rejection ratio 80 dB (typ) (50/60 Hz, Signal source resistance: max. 500
Signal/noise ratio =C46 dB (typ) 200(Vp-p at 50 mV range (with +/®C shorted)
Frequency response DC coupling: DC to 200 kHz (+/=C3 dB Typ.) 
AC coupling: 10 Hz to 200 kHz (+1/®C4.5 dB Typ.)
Max permissible input voltage Between +/®C terminals:5 V to 200 V range : 200 V DC (DC + AC，，）
50 mV to 2 V range: 30 V DC (DC + AC，，）
Between input terminals and GND: 33 V AC rms
Input terminal typeBNC

想关于更多 仪器记录纸、仪器记录笔 资讯请点击 记录纸、记录笔