▎Product Introduction :
The RD330 Online Hydrogen Analyzer (hereinafter referred to as 'the Analyzer') employs a high-precision thermal conductivity sensor to detect hydrogen concentrations in various environments. It transmits data and triggers alarms via (4–20) mA analog signals, RS-485 communication signals, or switch alarm signals, while displaying real-time measurements. Its explosion-proof design ensures reliable operation even in harsh conditions.
This product is suitable for industrial-grade online hydrogen monitoring in applications including water electrolysis for hydrogen production, natural gas blending with hydrogen, ammonia cracking for hydrogen generation, methanol reforming for hydrogen production, fuel cell system test benches, energy storage power stations, iron and steel metallurgy, and petroleum chemical processes.
▎Key Features :
1.Wide-range measurement: Capable of detecting hydrogen leaks across (0–100)% Vol concentrations.
2.High measurement accuracy: Measurement error controlled within ±2% F.S.
3.Temperature and pressure compensation: Built-in temperature compensation sensor and atmospheric pressure compensation for high measurement accuracy.
4.Strong reliability: Utilizes non-consumable sensors with a service life of up to 10 years and excellent long-term stability.
5.Local display function: Features an LCD screen for convenient on-site operation and monitoring.
6.User-friendly operation and maintenance: Intuitive interface and rational instrument design for easy daily maintenance.
▎Technical Specifications :
Parameter Name |
Parameter Value |
Target Gas |
Hydrogen (H₂) |
Measurement Range |
0-2%/5%/10%/100%Vol (customizable ranges) |
Maximum Permissible Error |
+0.1%Vol@ <5%Vol; ±2% F.S@ >5%Vol |
Resolution |
0.01%Vol |
Sampling Pressure |
Pretreatment system inlet: (0.1~10) MPa; Sensor unit: <0.1MPa |
Response Time |
≤30s |
Output Methods |
RS-485 bus system; (4~20) mA 3-wire system |
Relay Output |
2 alarm outputs with configurable setpoints |
Power Consumption |
40W@24V/50W@220V |
Power Supply |
(24±2) VDC; (220±22) VAC |
Operating Temperature |
(-10~+40) °C |
Operating Humidity |
≤90%RH |
Explosion-proof Rating |
Ex db IIC T6 Gb |
Protection Rating |
IP65 |
Installation Method |
Wall-mounted |
Dimensions |
646mm×450mm×198mm (L×W×H) |

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