德国科尼克VariTrans P27000隔离器(KNICK)
隔离器中的万用表。通过跳线选择480种预设的测量范围，从小到+/-0.1mA到100mA电流，+/-20mV...200V的电压。输出为+/-10V,+/-20mA,4...20mA。测量精度为0.08%，供电为20...253VAC/DC, 工作电压为1000V,测试电压5kV P27000参数：
DC Universal Isolation Amplifiers
Modular housing for mounting on 35 mm top hat rail, 12.5 mm width, IP 20
Input 20 mV to 200 V, unipolar/bipolar
0.1 mA ... 100 mA, unipolar/bipolar and 4 … 20 mA
Output 20 mA, 5 V, 10 V unipolar/bipolar
4 ... 20 mA, 1 ... 5 V and 2 ... 10 V
Load With output current ≤12 V (600 ohms at 20 mA)
with output voltage ≤10 mA (1 kohm at 10 V)
Gain error <0.08 % meas. val.
Cutoff frequency >10 kH switchable to <10 Hz, –3 dB
Power supply 20 ... 253 V AC/DC AC 48 ... 62 Hz
Galvanic isolation 3-port isolation between input, output, and power supply
Test voltage 5 kV AC input against output and power supply
4 kV AC output against power supply
Working voltage 1000 V AC/DC with overvoltage category II and pollution degree 2
Model VariTrans P 27000