Fixed Hydrogen (H2) Gas Detector, 0 To 1000/2000/5000 Ppm

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$634.77

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Stock: In Stock
Model: GD300-H2
Weight: 1.00
SKU: GD300-H2

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Fixed gas detector from reliable manufacturer, applicable gas hydrogen. Detecting range 0-1000/2000/5000/10000 ppm, real time display, sound and light alarm, remote control, output signal 4-20mA and RS485. H₂ gas detector for detecting and monitoring hydrogen leak in 24 hours, small size, high reliability, acceptable price.

Features

Hydrogen gas detector adopts high precision sensor for accurate gas leak detection.
Hydrogen gas detector is equipped with 3-wire system 4-20mA analog output, relay output, RS485 output (optional).
The H₂ gas detector is compatible with various controlled alarms, PLC, DCS and other control system, and can be remote monitored.
Explosion-proof design, fast, relaible and stable.
Infrared ray controller can remote control the alarm point settings, zero calibration, and address modification.
Two-stage alarm with sound and light, and the alarm point is settable.
The hydrogen gas detector has self-calibration function, and three standard keys will be used to realize on-site maintenance.
The H₂ gas detector can output one or two on-off signals, can drive ventilator, solenoid valve or other external devices.

Specification

Model	GD300-H2
Detection Principle	Electrochemistry (0-10/20/500/1000/2000/5000/9999ppm, 0 to 2%/4% VOL), Catalytic Combustion (0-100% LEL)
Gas	Hydrogen (H2)
Range (Optional)	0 to 500ppm, 0 to 1000ppm, 0 to 2000ppm, 0 to 5000ppm, 0 to 9999ppm, 0 to 2% VOL, 0 to 4% VOL, 0-100% LEL
Resolution	0.1ppm (0-10/20ppm), 1ppm (0-500/1000/2000/5000/9999ppm), 0.001% VOL (0-2% VOL, 0-4% VOL), 1 %LEL (0-100% LEL)
Calibration Kit	Gas pressure regulator (calibration gas cylinder NOT included)
Accuracy	≤±3% F.S.
Response Time	≤10s
Repeatability	≤±1%
Recovery Time	≤10s
Linearity Error	≤±1%
Zero Shift	≤±1% (F.S./year)
Signal Output (Optional)	4-20m and RS485 Relay output: one group of relay output (1NO+1NC, 24V 100mA) for one alarm (default), or two groups of relay output (2NO+2NC, 24V 100mA) for high/low alarm (optional).
Alarms	Sound, light
Display	High light nixie tube display
Installation	Wall-mounted, piping type, flow-type (according to the detected environment)
Connection	Power connection type: G1/2 male thread explosion-proof flexible pipe Pipe-mounted type: M45*P2.0
Operating Time	24h
Explosion-proof Grade	Ⅱ 2G Ex ia Ⅱ CT4 Ga
Protection Grade	IP65
Certification	CE, ATEX (Standard: EN IEC 60079-0:2018, EN 60079-1:2014)
Working Voltage	12-36V DC
Case Material	Die-casting aluminum housing
Operating Temperature	-20℃~50℃
Operating Humidity	0~95%RH (non-condensing)
Dimension	20617990mm
Weight	≤1.6kg
Accessories	Power adapter: Input 100-240VAC 50/60Hz, Output 24VDC 1A (Optional USA plug, Europe plug or UK plug)

Note: To measure confined spaces such as pipelines, please contact us and inform the detailed conditions of use.

Fixed Hydrogen (H₂) Gas Detector Dimension (Unit: mm)

***Other Common Gases and Ranges Available for Fixed Gas Detectors

Gas Type	Measure Range	Resolution
Ammonia (NH3)	0-50/100/200/500/1000/2000/5000ppm	0.01ppm/0.1ppm/1ppm
Benzene (C6H6)	0-1/10/50/100/200/1000/2000/5000/10000ppm	0.001ppm/0.01ppm/0.1ppm/1ppm
Carbon Dioxide (CO2)	0-1000/2000/5000/9999ppm, 0-2/5/10/20/25/30/50/100%VOL	0.1ppm/1ppm/0.001%VOL/0.01%VOL/0.1%VOL
Carbon Monoxide (CO)	0-10/20/50/100/500/1000/2000ppm	0.01ppm/0.1ppm/1ppm
Chlorine (Cl2)	0-5/10/20/50/100ppm	0.001ppm/0.01ppm/0.1ppm
Chlorine Dioxide (ClO2)	0-1/5/10/20/50/100ppm	0.001ppm/0.01ppm/0.1ppm
Combustible Gas (EX)	0-100%LEL	1%LEL
Ethylene (C2H4)	0-10/20/50/100/500/1000/2000ppm	0.01ppm/0.1ppm/1ppm
Formaldehyde (CH2O)	0-10/20/50/100/500/1000ppm	0.01ppm/0.1ppm/1ppm
Hydrocarbons (HC)	0-100%LEL	1%LEL
Hydrogen (H2)	0-10/20/500/1000/2000/5000/9999ppm, 0-2/4% VOL, 0-100% LEL	0.1ppm/1ppm/0.001%VOL/1%LEL
Hydrogen Chloride (HCL)	0-10/20/50/100/200ppm	0.01ppm/0.1ppm
Hydrogen Cyanide (HCN)	0-10/20/50/100ppm	0.01ppm/0.1ppm
Hydrogen Sulfide (H2S)	0-5/20/50/100/200ppm	0.001ppm/0.01ppm/0.1ppm
Methane (CH4)	0-50/100%VOL, 0-100%LEL	0.01%VOL/0.1%VOL/1%LEL
Nitric Oxide (NO)	0-1/5/10/20/50/100/250/500/1000ppm	0.001ppm/0.01ppm/0.1ppm/1ppm
Nitrogen (N2)	0-99.99/0-100%VOL	0.01%VOL/0.1%VOL
Nitrogen Dioxide (NO2)	0-1/5/10/20/50/100/500/1000ppm	0.001ppm/0.01ppm/0.1ppm/1ppm
Nitrogen Oxides (NOX)	0-1/5/10/20/50/100/250/500/1000ppm	0.001ppm/0.01ppm/0.1ppm/1ppm
Oxygen (O2)	0-25/30/100%VOL	0.01%VOL/0.1%VOL
Ozone (O3)	0-1/5/10/20/50/100ppm	0.001ppm/0.01ppm/0.1ppm
Phosphine (PH3)	0-10/20/50/100/500/1000/2000/3000ppm	0.01ppm/0.1ppm/1ppm
Sulfur Dioxide (SO2)	0-1/5/10/20/50/100/500/1000ppm	0.001ppm/0.01ppm/0.1ppm/1ppm
Volatile Organic Compounds (VOC)	0-1/5/10/20/50/100/200/500/1000/2000/5000/10000ppm	0.001ppm/0.01ppm/0.1ppm/1ppm

Note: Some common gases and the measuring ranges are listed in the above table. For more information, please feel free to contact us.

Details

Tips: The necessity of a hydrogen gas detector

Hydrogen (H₂) has the physical properties of colorless and odorless, and the flame is transparent when burned. Therefore, the presence of hydrogen in the environment is not easy to detect by the senses. Generally, Ethyl mercaptan is added to the hydrogen gas so that it can be detected by the senses and make the flame appear color. However, when judging whether hydrogen has leaked, we cannot judge by ignition. Because using an open flame to check hydrogen is tantamount to igniting a time bomb, which is very dangerous. Therefore, it is necessary to use a hydrogen gas detector to monitor the environment where H₂ may leak on-line.

Hydrogen is mainly stored in liquid form. The liquid H₂ overflows and evaporates suddenly in a large area, which can also cause hypoxia in the environment, and may form an explosive mixture with the air, causing a combustion and explosion accident.

RDDLZ hydrogen gas detector is an instrument that can continuously detect the concentration of H₂ in the environment. It uses the natural diffusion method to detect the H₂ concentration, with an electrochemical sensor. The use of hydrogen detectors can reduce the occurrence of H₂ explosion accidents.

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