... remote sending manometer: 0~400ohm linear signal: 0~20mV, 0~75mv, 0~200mV, 0~5V, 1~5V, 0~10mA, 4~20mA frequency 0~10KHz2. Accuracy: +/-0. 5%F ... Relay contact point: AC250V 3A (resistance) logical voltage DC 0. 5V. Start pulse over zero: Optical couple control silicon output ... pulse on transport: Optical couple control silicon 1 A 600V, 0~10mA, 0~20mA current output (below load resistance 600 ohms) ...