Fixed combustible gas probe OLCT20
Technical parameters:
probe | OLCT 20 | OLCT 20D | OLC 20 |
type | Explosion-proof transmitter | Intrinsically safe transmitter | Intrinsically safe probe |
Sensor type | catalytic combustion/Electrochemistry | Electrochemistry(OLCT 20D-catalytic combustion) | catalytic combustion |
Detection of gases | Combustible gas, poison gas, oxygen | Toxic gas, oxygen | Combustible gas |
Probe material | INOX 316L Stainless steel | ||
Pre-calibration | Yes | Yes | nothing |
Power Supply | 15 to 30 VDC(Catalysis) | 10 to 26 VDC | Depending on the probe |
15 to 30 VDC(Electrochemistry) | |||
Maximum power consumption | 100 mA(Catalysis) | 25mA | Depending on the probe |
25 mA(Electrochemistry) | |||
signal output | 4-20 mA | 4-20mA | bridge type |
Load impedance | 250Ω (Catalysis) | 47Ω max | nothing |
Depending on the power supply(Electrochemistry) | |||
Line system | 3Line (catalysis) | 2Line | 3Line |
2Wire (electrochemistry) | |||
Circuit impedance | 32Ω (Catalysis) (1km/1.5mm2) | 32Ω (1km/1.5mm2) | 32Ω (1km/1.5mm2) |
128Ω (Electrochemistry)
(4km/1.5mm2) | |||
Connecting line | When leaving the factory, attach a diameter of ____________6mmCable | ||
Electrical interface | M25or3/4"NPT (OLCT 20D- With mounting bracket) | M25or3/4"NPT (OLCT 20D- With mounting bracket) | M25or3/4"NPT (OLC 20D- With mounting bracket) |
Protection Level | IP 66 | ||
Authentication | EEx d IIC T6 II 2 GD | EEx ia IIC T4 II 1 GD | EEx d IIC T6 II 2 GD |
INERIS 01 ATEX 0004X | |||
Chinese Type Certification 2003-C110 China Flameproof Certification Ex d IIC T6 China's intrinsic safety explosion-proof certification Ex ia IIC T4 | |||
CEM Identification | EN 50270 | ||
weight | 800gram | ||
size(mm) | L 130 x D 60 | L 130 x D 60 | L 130 x D 60 |
working temperature | -25℃ ~ +60℃ | -25℃ ~ +60℃ | -25°C to +70°C -25 °C to +200°C HTIn version |