YANTAI STARK INSTRUMENT CO., LTD.

320*240 LCD monitors, desktop or panel mounted, easy to install

Imported TCD or electrochemical sensor, long service life, high sensitivity and fast response

Built in precision filter, greatly improving the sensor life
The upper and lower limit control points can be set arbitrarily within the full range
Data backup, data recovery function
Standard 4-20mA or 0-5V output
Standard RS232 / RS485 communication
All English operating menu
Built-in precision pump (optional)

Measuring range: 0~1000ppm, 0~2%, 0~100% (optional)

Resolution: 1ppm, 0.01%, 0.1% (according to the measuring range selected)

Accuracy: ≤±2%F.S.

Repeatability: ≤±1%F.S.

Stability:

Zero drift: ±1%F.S./7d

Span drift: ±1%F.S./7d

Response time T90≤30s

Warm-up time: ≤45min

Sample gas flow rate: 400 ± 50mL

Sample gas pressure: 0.1Mpa≤entrance pressure≤0.2Mpa

Power supply: 100~240VAC 50/60Hz 1A

Ambient temperature: －5℃～＋45℃

Environment humidity: ≤90%RH

Output signal: 4~20mA or 0~5VDC

Communication interface: RS232 or RS485 (communication protocol: Modbus RTU)

Overall dimensions:

3U standard 484 (W) x134 (H) x310 (D)   (mm)

4U standard 484 (W) x177 (H) x390 (D)   (mm)

Hole dimensions:

3U standard 446 (W) x135    (mm)

4U standard 446 (W) x179    (mm)

Weight: 5Kg

Petroleum, chemical, metallurgy, electric power, bio-fermentation and air separation industries

Hydrogen content non-explosion-proof online analysis in ammonia decomposition making hydrogen gas industry

Fertilizer analysis of hydrogen content in synthetic ammonia processes

Monitoring of the concentration of hydrogen in hydrogen cooling system in thermal power plant

Hydrogen leak in the containment of nuclear power plant monitoring and monitoring of the concentration of hydrogen in hydrogen-cooled system

Laboratory combustion testing of gas content determination

Gas stations or gas analysis of hydrogen purity in mixture gases