Electrochemistry H2 Sensor British Dd Sensor Gas Range 0-1000ppm

• Customization: Available
• Type: Electrochemical Gas Sensor
• Conductivity Type: Non-conductivity Type
• Model NO.: GS+4H2
• Output Signal Type: Analog Type
• Production Process: Integration
• Material: Metal
• IP Rating: IP65
• Sensitivity: High
• Certification: CE
• Customized: Non-Customized
• Theory: Electrochemical
• Typical Baseline Range (Pure Air): 0 to -20ppm H2 Equivalent
• Measurement Range: 0 - 1000 Ppm
• Pressure Range: 800 to 1200 Mbar
• Operating Humidity Range: Operating Humidity Range
• Transport Package: Cartons
• Trademark: DD
• Origin: UK
• HS Code: 9027100090
• Package Size: 20.00cm * 15.00cm * 10.00cm
• Package Gross Weight: 0.500kg

Product Description

Product Description

GS+4H2 Hydrogen Sensor (H2)

The GS+4H2 is a high-performance, robust electrochemical sensor designed for precise and reliable detection of hydrogen (H2) gas. This sensor offers a range of key features that make it ideal for a variety of industrial, environmental, and safety applications, including leak detection, gas monitoring, and hydrogen safety systems.

Key Features:

• High Sensitivity and Precision: The GS+4H2 provides a precise output signal of 20 ± 10 nA per ppm of H2, ensuring accurate hydrogen concentration readings across a wide range of applications.
• Wide Measurement Range: The sensor operates within a measurement range of 0-1000 ppm, with a maximum overload of 2000 ppm, making it versatile for various monitoring environments.
• Fast Response: With a fast T90 response time of less than 60 seconds, the GS+4H2 quickly detects changes in hydrogen levels, providing real-time monitoring.
• Long-Term Stability: The sensor exhibits a long-term output drift of less than 5% per year, ensuring reliable operation over extended periods.
• Temperature & Humidity Resilience: Operating between -30°C and +50°C, and with a humidity range of 15% to 90% RH, the GS+4H2 maintains performance across diverse environmental conditions.
• Linear Output: The sensor's output is linear up to 1000 ppm H2, ensuring predictable and accurate readings throughout its range.

Environmental & Operational Specifications:

• Temperature Range: Continuous operation from -30°C to +50°C.
• Pressure Range: Compatible with pressures between 800 to 1200 mbar.
• Humidity Range: Operates efficiently in environments with 15% to 90% relative humidity.
• Storage & Lifespan: Recommended storage temperature is 0°C to 20°C, and the expected operational life in air is greater than 24 months.

Cross-Sensitivity Data:

The GS+4H2 sensor is designed to be robust in environments with potential exposure to other gases. However, certain gases may cause cross-sensitivity, with the sensor showing a response to substances such as:

• Hydrogen Sulphide (50 ppm)
• Sulfur Dioxide (20 ppm)
• Carbon Monoxide (200 ppm)
• Nitric Oxide (50 ppm)
• Ethanol (200 ppm), and more.

Intrinsic Safety:

• Maximum Current at 2000 ppm: 0.3 mA
• Maximum Open-Circuit Voltage: 1.3 V
• Maximum Short-Circuit Current: <1.0 A

Warranty & Reliability:

The GS+4H2 comes with a standard 24-month warranty from the date of dispatch, offering peace of mind with long-term support.

Note: Sensor performance is temperature-dependent, and for applications outside the recommended conditions (20°C, 50% RH, and 1 atm), it is advisable to contact DD Scientific for further guidance.

Parameter	Specification
Output Signal	20 ± 10 nA/ppm
Typical Baseline Range (pure air)	0 to -20 ppm H2 equivalent
Filter	To reduce CO response
T90 Response Time	< 60 seconds
Measurement Range	0 - 1000 ppm
Maximum Overload	2000 ppm
Linearity	Linear up to 1000 ppm
Repeatability	< ±2% H2 equivalent
Recommended Load Resistor	10 ohms
Resolution	< 0.5 ppm (electronics dependent)
Temperature Range (Continuous)	-30°C to +50°C
Pressure Range	800 to 1200 mbar
Operating Humidity Range	15% to 90% RH
Long Term Output Drift	< 5% per annum
Recommended Storage Temperature	0°C to 20°C
Expected Operating Life	> 24 months in air
Standard Warranty	24 months from date of dispatch
Maximum Current (at 2000 ppm)	0.3 mA
Maximum Open-Circuit Voltage	1.3 V
Maximum Short-Circuit Current	< 1.0 A

 

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