Hydrogen (H2) Gas Sensor with Module, 0-1000~5000ppm

SKU: SUCH-GAS-H2
$129.78
● Detect: Hydrogen (H2) ● Rang: 0-1000~5000ppm ● Module output: TTL/RS485 ● Resolution: 1ppm
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🚚 Free shipping
🕒 Delivery date: 6-12 days
🔁 30-day Returns
Overview

Buy high-quality hydrogen gas sensors to ensure workplace safety, supporting precise detection at 0–1000ppm, 0–2000ppm, or 0–5000ppm. Based on electrochemical three-electrode technology, it offers 1ppm resolution with rapid response. The module offers optional RS485 or TTL output interfaces, enabling users to easily achieve system integration. Operating temperature range: -30°C to 50°C. Monthly signal drift is less than 2%. Ideal for hydrogen monitoring, laboratory safety, and gas leak detection.

Feature

H2 gas sensor feature

  • The H₂ gas sensor enables rapid and precise detection within the 0–1000/0–2000/0–5000 ppm range.
  • With a T₉₀ response time under 60 seconds/120 seconds, it instantly captures hydrogen concentration changes, providing real-time alerts and safety monitoring data.
  • The hydrogen sensor exhibits exceptional long-term stability (<2% signal drift per month) and repeatability (±2%), ensuring consistent results over extended operation.
  • Optional RS485 and TTL interface modules enable seamless system integration, facilitating straightforward connection to user systems.

Dimension (unit: mm)

H2 gas sensor dimension

Cross Interference

Interference Gas Gas Concentration Used (ppm) Displayed Value (ppm H₂)
CO 50 150
SO₂ 20 0
H₂S 100 0
Cl₂ 10 1
NO 30 9
NO₂ 20 1
CH₄ 5000 -2


Response Recovery Curve

H2 gas sensor response recovery curve

Temperature Dependency Curve

H2 gas sensor tempe dependence curve

Specs

Rang Select

Detection Range 0-1000ppm 0-2000ppm 0-500ppm
Maximum Load Concentration 2000ppm 4000ppm 1000ppm
Sensitivity 20±10nA/ppm 20±10nA/ppm 7.5±2.5nA/ppm
Resolution 1ppm 1ppm 10ppm
Response Time T₉₀<60s T₉₀<60s T₉₀<100s


Basis Specs

Detection Principle Electrochemical three-electrode
Detected Gas H₂
Detection Range 0-1000ppm, 0-2000ppm, 0-5000ppm
Maximum Load Concentration 2000ppm
Sensitivity 7.5±2.5nA/ppm
Zero Drift ±1ppm
Resolution 1ppm
Communication Interface RS485, TTL (optional)
Response Time T₉₀<60s
Bias Voltage 0
Load Resistance 5~30Ω
Temperature Range -30°C to 50°C
Humidity Range 15%RH to 90%RH (Non-condensing)
Repeatability 2% output signal
Long-term Stability < 2% signal/month
Linearity Linear
Operating Pressure 90 to 110 kPa
Warranty 12 months after delivery
Application
Industrial h2 detection

Industrial H2 Detection

Vehicle-mounted h2 detection

Vehicle-Mounted H2 Detection

Environmental h2 detection

Environmental H2 Detection

FAQ

A hydrogen sensor is an electrochemical or catalytic device used to detect the presence and concentration of hydrogen (H₂) in the air. It provides fast and reliable signal output, ensuring safety in industrial and laboratory environments.

The gas sensor measures hydrogen concentration through electrochemical reactions on its electrode surface, generating a weak current proportional to gas concentration. This signal is then converted into readable ppm values.

The h2 gas sensor enable early detection of hydrogen leaks, prevent explosion incidents, and maintain high accuracy, rapid response, and long-term stability even in harsh industrial environments.

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