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WR3-M放大器后传

WR3-M放大器后传
WR3-M放大器(电压/温度测量)

日图记录笔温湿度记录纸、日图打印头

Temperature coefficient Zero point: 0.01% of F.S./
Gain: 0.02% of F.S./
Insulation resistance 100 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(记录纸、记录笔
Input bias current 2nA (typ.)
A/D converterSampling interval: 10
Common mode rejection ratio 100 dB typ (120 dB with Line Filter on)
Signal/noise ratio®C46 dB (typ) 100 VP-P at 20 mV range (with +/®C shorted)
Frequency responseDC coupling: DC to 20 kHz (+1/®C 3 dB Typ.)
仪表记录纸 AC coupling: 10 Hz to 20 kHz (+1/®C 4.5 dB Typ.)
Max permissible input voltage Between +/=C terminals: 2 V to 500 V range : 500 V DC (DC + AC
20 mV to 1 V range: 100 V DC (DC + AC)
Between input terminals and GND: 33 V AC rms
Input terminal type Banana connector (two connectors)

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