This product can be used as the lower machine of flameproof DCS supply oil system, work according to command of lower machine, also can be directly installed in dangerous area, work alone without lower machine. Widely used in petroleum、chemical、food and other industries.

System accuracy: 0.1 level(±1 display unit)

Input signal  flow signal: four-way timing pulse, rectangular wave “1”signal: 12V(with LL roots Flowmeter)  5V(LCB oval gear flowmeter)  “0” signal: <0.35V   frequency: ≤1 kHz  drive current: ≥5mA   temperature signal: 4～20mA DC(-20～+80℃)  density signal: 4～20mA DC(-20～+80℃)  oil spill signal: “1”signal 5V × 1mA   anti-static signal: “1” signal 5V×1mA  environment conditions: temperature -20～+50℃, relative humidity ≤85%   power supply: 220V 50Hz  explosion-proof sign: dI1BT3

Output voltage and control output current-limiting（Ik=80mA）and voltage-limiting (Uk=5V）power or 12V×200mA power, output 12V DC electromagnetic valve or multi-step valve, four-way eight groups of 24V×1A DC pressure-increasing valve: four-way 24V×1A DC   sound and light alarm: four-way 24V×1A DC

Notes: electromagnetic valve or multi-step valve、pump、alarm of electronic switch control 24V DC need ordered