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| Brand | Galvanic |
|---|---|
| Origin | Canada |
| Model | 903W |
| Instrument Type | Online Gas Analyzer |
| Target Gas | Hydrogen Sulfide (H₂S) |
| Response Time (T₉₀) | < 20 s |
| Measurement Accuracy | ±10 ppb (LOD) |
| Measurement Range | 0–2000 ppm (undiluted) |
| Linearity | ±1% FS |
| Repeatability | ±1% FS (>1 ppm), ±2.5% FS (<1 ppm) |
| Operating Temperature | 10–50 °C |
| Power Input | 90–240 VAC / 10–36 VDC |
| Certifications | CSA C/US, Class I, Div 2, Groups B, C, D, T3 |
| Brand | Ontech |
|---|---|
| Model | Ontech320 |
| Detection Principle | Dual FID/PID |
| Explosion Protection | Ex d IIB T4 Gb / Ex ia IIC T4 Ga |
| Compliance | GB 37822–2019 |
| Connectivity | Wireless (2.4 GHz RF), Cloud API Integration |
| Data Storage | On-device + Cloud-synced |
| Response Time (T90) | <3 s (FID), <2 s (PID) |
| Detection Range | 0.1–10,000 ppm (FID), 1–20,000 ppb (PID) |
| Power Supply | Rechargeable Li-ion battery (≥8 h continuous operation) |
| Operating Temperature | −20 °C to +50 °C |
| Ingress Protection | IP65 |
| Brand | Ontech |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | Ontech820 |
| Pricing | Upon Request |
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