Technical Specifications
- Measure Range: 0-30% or 50%~100% H2 FS ranges;
- Accuracy: <±1.2% of FS range under constant conditions;
- Application: H2 analysis from 0.01% to 30% or 50.00%~100% in different thermal conductivities of 2 gas components.;
- Approvals: ISO9001:2008;
- Area Classification: General purpose;
- Alarms: 2 adjustable form C relay contacts non-latching;
- Compensation: Barometric pressure and temperature; optional heated sample system and sensor housing;
- Connections: 1/4’’ or 1/8’’ compression tube fittings;
- Controls: Menu driven calibration, alarm and system functions;
- Data Acquisition: Selectable data point intervals;
- Display: Graphical LCD 128×64MM;
- Enclosure: Painted aluminum 144(H)×144(W)×295MM(D);
- Flow Sensitivity: 300~600ml/min recommended;
- Pressure: Inlet - regulate to 0.05MPa~0.35MPa, Vent – atmospheric;
- Power: Universal; 85~264 VAC, 50/60Hz;
- Response Time: 90% of final FS reading < 50 seconds;
- Sample System: Flow control; flow indicator;
- Sensor Life: 36 months at 25℃ and 1 atm;
- Signal Output: 4-20mA isolated or 0-10V (optional);
- Temp. Range: 0~45 ℃;
- Warranty: 12 months analyzer; 12 months sensor;
Advanced Sensor Technology
Principle: This thermal conductivity gas analyzer measures gas concentration by utilizing the different thermal conductivities of 2 gas components. In the detector, there are reference and measuring chambers in each of which a thin platinum wire is stretched. The reference chamber is filled with reference gas and through the measuring chamber, sample gas is flowed. Each platinum wire composes a bridge circuit in combination with an external fixed resistor, and it is heated by flowing a constant current. Where there is a change in the concentration of the component under measurement, the thermal conductivity of sample gas will change to affect the temperature of the platinum wire in the measuring chamber. The resulting thermal change is taken out as a change in electric resistance, according to which the concentration of measured gas is calculated.
Standard Features
- Easy-to-read, large LCD;
- PC communication available;
- Gas concentration alarm output;
- Two ranges to choose from;
- Output 4-20mA, ideal for system integration;
- Linear measurement output signal.
Applications
H2 concentration measurement for:
- Semiconductor equipment;
- Hydrogen generator;
- Kinl;
- Other applications suitable for thermal conductivity principle.
Install
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