YJJ AsH3/M-1 Electrochemical Gas Sensor 0-1ppm for Semiconductor Fab Toxic Gas Leak Monitoring

Product Description:

YJJ AsH3/M-1 Electrochemical Gas Sensor 0-1ppm for Semiconductor Fab Toxic Gas Leak Monitoring

Features:

4-Series Micro Package, Arsine (Arsenic Hydride), Toxic Gas Detection in the Semiconductor Industry

| Detected Gas | AsH3 (Arsenic Hydride) |
| Principle | Three-electrode Electrochemical |
| Range | 0 - 1 ppm |
| Maximum Overload | 5 ppm |
| Sensitivity | 3000 ± 600 nA/ppm Membrapor |
| Bias Voltage | 0 mV (No Bias Required) |
| T90 Response Time | < 50 s |
| Baseline (Clean Air at 20°C) | ±0.02 ppm or less |
| Resolution | < 0.01 ppm (Dependent on Back-End Circuit) |
| Repeatability | < ±2% Signal Value |
| Linearity | Linear within the Range |

Environmental conditions

- Operating temperature: **-40 ℃ ~ +50 ℃**
- Humidity: 15% to 90% RH, no condensation
- Atmospheric pressure: 800 to 1200 mbar
- Baseline test conditions: 20℃, 30 to 50% RH, 1 atm

Structure & Lifespan

- Packaging: Miniature 4-series compatible, Φ20 mm, height 16.6 mm, 3 pins
- Expected lifespan: > 24 months
- Warranty: 12 months
- Storage: Cool storage at 0 to 20℃

Cross-interference & Features

- Feature: Ultra-high sensitivity, ppb-level detection, suitable for portable/fixed arsenic hydride detectors
- Cross-interference: Reductive gases such as PH3, SiH4, H2S will cause interference; for high-precision scenarios, pre-filtering + algorithm compensation is required
- Typical applications: **Semiconductor wafer factories, special gas cabinets, arsenic hydride leakage monitoring, personal safety alarm devices, confined space detection

Specifications: