ShenzhenYijiajie Electronic Co., Ltd.
| Repeatability | 2% of signal |
| Packaging Details | Canned |
| Resolution | 2 ppm typical |
| Measurement Range | 0 ~ 1000 ppm H₂ |
| Supply Ability | 1500 |
| Sensitivity | 0.03 ± 0.01 μA/ppm |
| Recommended Load Resistor | 10 Ω |
| Bias Voltage | 0V |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union |
| T90 Response Time | <85 s |
| Delivery Time | 5-8 days |
| Max Overload | 2000 ppm H₂ |
| Model Number | 7HYT AE702-404 |
| Brand Name | YJJ |
| Place of Origin | Britain |
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Product Specification
| Repeatability | 2% of signal | Packaging Details | Canned |
| Resolution | 2 ppm typical | Measurement Range | 0 ~ 1000 ppm H₂ |
| Supply Ability | 1500 | Sensitivity | 0.03 ± 0.01 μA/ppm |
| Recommended Load Resistor | 10 Ω | Bias Voltage | 0V |
| Payment Terms | L/C, D/A, D/P, T/T, Western Union | T90 Response Time | <85 s |
| Delivery Time | 5-8 days | Max Overload | 2000 ppm H₂ |
| Model Number | 7HYT AE702-404 | Brand Name | YJJ |
| Place of Origin | Britain | ||
| High Light | Hydrogen electrochemical sensor for fuel cell ，Hydrogen sensor for workshop monitoring ，AE702-404 gas sensor with warranty | ||
Product Description:
YJJ 7HYT AE702-404 Hydrogen Electrochemical Sensor for Fuel Cell & Hydrogen Workshop Monitoring
Features:
Specification
Model: 7HYT Electrochemical Hydrogen Sensor
Target Gas**: Hydrogen (H₂)
Principle**: 3-electrode Electrochemical, 7-series housing
- Measurement Range: 0 ~ 1000 ppm H₂
- Max Overload: 2000 ppm H₂
- Sensitivity: 0.03 ± 0.01 μA/ppm
- T90 Response Time: <85 s
- Bias Voltage: 0V, no bias required
- Recommended Load Resistor: 10 Ω
- Resolution: 2 ppm typical (electronics dependent)
- Repeatability: 2% of signal
- Baseline Offset (clean air @20℃): 0 ~ -25 ppm H₂ equivalent
- Zero Shift (20~40℃): < -35 ppm H₂ equivalent
- Linearity: Linear
- Built-in Filter: Reduce CO cross interference
Environmental Spec:
Operating Temperature: -20℃ ~ +50℃
Humidity: 15% ~ 90% RH (non-condensing)
Pressure: Atmospheric ±10%
Storage Temp: 0℃ ~ 20℃
Life & Mechanical:
Expected Service Life: ≥24 months in air
Warranty: 6 months
Package: Standard 7-series 7-pin housing
Weight: 12 g
Housing: Polycarbonate cap, ABS body, mounting orientation independent
Features:
Standard 7-series package, compatible with other City 7-series sensors for OEM integration; built-in CO filter to minimize cross interference; 0V bias for simple circuit design; low long-term drift <2% signal/month; compact size for portable & fixed gas detector.
Applications:
Hydrogen leak detection, fuel cell monitoring, hydrogen production workshop, energy storage hydrogen cabin, laboratory H₂ monitoring, portable H₂ alarm, fixed industrial hydrogen safety detector.
Specifications:
| Target Gas | H2 |
| Measurement Range | 0 -1000 ppm H₂ |
| Max Overload | 2000 ppm H₂ |
| Sensitivity | 0.03 ± 0.01 μA/ppm |
| T90 Response Time | < 30 s |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Shenzhen Yijiajie Electronic Technology Co., Ltd. has long been deeply engaged in the field of sensing and control technology, specializing in sensor solutions and technical support. The company is an authorized distributor for City, and Siargo, and maintains long-term, stable partnerships with othe... Shenzhen Yijiajie Electronic Technology Co., Ltd. has long been deeply engaged in the field of sensing and control technology, specializing in sensor solutions and technical support. The company is an authorized distributor for City, and Siargo, and maintains long-term, stable partnerships with othe...
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