Fixed Phosphine (PH3) Gas Detector, 0 To 100/1000/3000 Ppm

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$779.89

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Stock: In Stock
Model: GD300-PH3
Weight: 1.00
SKU: GD300-PH3

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Signal Output

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Power Adapter

Calibration Kit

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The economical and affordable fixed PH₃ phosphine gas detector adopts high-quality sensors and advanced micro-processing technology. The operating temperature is -20~+50℃. It uses gas diffusion to detect whether there are toxic gases in the air. It can work continuously for a long time. The working voltage is 12-30V DC, it can detect 0-100/1000/3000 ppm, the gas leak detector can display data and alarm reminders on the screen, and the response speed is fast.

Specification

Model	GD300-PH3
Detection Principle	Electrochemistry
Gas	Phosphine (PH3)
Range (Optional)	0 to 10ppm, 0 to 20ppm, 0 to 50ppm, 0 to 100ppm, 0 to 500ppm, 0 to 1000ppm, 0 to 2000ppm, 0 to 3000ppm
Resolution	0.01ppm (0-10/20/50ppm), 0.1ppm (0-100ppm), or 1ppm (0-500/1000/2000/3000ppm)
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)	4-20mA 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 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

Application

Tips: How Does a Fixed Phosphine (PH3) Gas Detector Work?

Gas Collection: The primary task of a gas detector is to collect air samples from the surrounding environment. This is usually accomplished through an air inlet or sampling line.
Gas Sensor: The gas leak detector has a built-in phosphine gas sensor, which usually uses chemical sensing elements, such as semiconductor sensors, electrochemical sensors, or infrared sensors. These gas sensors work by reacting to phosphine molecules, causing changes in electrical resistance, electrical current, or optical signals.
Signal Processing: The gas sensor generates an electrical signal that correlates to the detected phosphine concentration. This signal is fed into a built-in microprocessor or control unit for processing.
Data Analysis: A microprocessor analyzes the signal generated by the sensor and converts it into a concentration reading. If the concentration exceeds a preset safety threshold, the gas monitor triggers an gas alarm.
Alarm Systems: Fixed phosphine gas detectors are often equipped with audible, light, or digital interface alarm systems, as well as features that can transmit information to a monitoring room or automatically shut down the device. This helps to detect dangers early and take necessary measures.
Maintenance and Calibration: To ensure the accuracy and reliability of your gas detector for home, regular maintenance and calibration are required. This includes replacing or cleaning sensor elements, verifying gas detector performance, and calibrating measurements.

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