Technical Specifications

Range: 0-1%/2%/5%/10% H?, 90%-100%

Sensor: Thermal conductivity principle

Accuracy: 1% of range (at room temperature and pressure)

Measurement Resolution: 0.01% of range

Sensor Lifespan: Greater than 48 months

Linearity: R-squared value >0.995

Calibration Gas: Recommended to use 80% range gas for calibration

Response Time: 10 seconds to reach 90%

Operating Conditions

Application Fields: Hydrogen/Nitrogen/CO? equipment, purification/drying equipment, etc.

Measurement Medium: O?, air, N? gas, etc.

Interface: Inlet/outlet using 1/8" ferrule fittings

Pressure: 10~50 psig

Temperature: 5~+45℃

Flow Rate: 0.1~0.5 liters/minute

Electrical Characteristics

Certification: ISO9001, CE certified

Explosion Protection: Intrinsically safe design, can be used in hazardous areas with isolator barrier: Class 1, Division 1, Groups B, C, D

Display: Large LCD screen, real-time display of sample gas temperature

Display Resolution: 0.01%

Control Keys: Waterproof buttons, easy selection of range, calibration, etc.

Compensation: Automatic pressure and temperature compensation

Output: Three-wire 4~20mA analog output; optional alarm function

Power Supply: 9~28 V DC (24~28 V DC when using isolator barrier)

Physical Characteristics

Enclosure: Aluminum oxide material, NEMA 4X, wall-mounted design

Dimensions: 4”x 9”x 3” Weight: 8 lbs (approx. 3.5 kg)

Options

System Includes:

— Preprocessing unit

— Built-in flow stabilization valve

— Alarm unit

—H?S adsorption unit (optional)