Within a certain price range free samples are available
Asia, Australia, Central America, South America, Western Europe, Middle East, Eastern Europe, North America, Africa
CSIR - CIMFR
LEL Gas Sensor Transmitter with and without Display operates on 24 VDC power and 4-20 mA output and optional alarm relay board. This sensor/transmitter can be connected to various applied controllers or computer-based instrumentation, such as PLC or similar instrumentation.
Response Time: < 5 Seconds
Zero drift: 0.2% FS
Accuracy : 2%
Operating Voltage: 22-30 V DC or 230VAC
Operating Temp: 0-50 C
Display: Inbuilt 0.5" LCD
Output : 4-20 mA Linear , Relay, / 0-1 Volts DC (V) / RS 232/ RS485 2 wire (Electochemical Sensor based , Dew Point , Humidity , Temp, Moisture, Vapour Pressure) 3 wire ( Combustible , Toxic Gas ).