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| Origin | Beijing |
|---|---|
| Manufacturer Type | Authorized Distributor |
| Origin Category | Domestic (China) |
| Model | HK-7200A Digital Multi-Principle Gas Detector |
| Pricing | Available Upon Request |
| Detection Principle | Photoionization (PID) |
| Measurement Range | 0–20 ppm, 0–100 ppm, 0–200 ppm, 0–500 ppm, 0–1000 ppm, 0–2000 ppm |
| Resolution | 1 ppm |
| Accuracy | ±3% FS |
| Response Time (T90) | ≤30 s |
| Operating Temperature | −40 to +55 °C |
| Atmospheric Pressure Range | 86–106 kPa |
| Output Signals | 4–20 mA, CAN Bus, RS485 |
| Max Transmission Distance | 1000 m (4–20 mA, 2.5 mm²), 10 km (CAN), 1.2 km (RS485) |
| Supply Voltage | DC 18–30 V |
| Wiring | 3-wire or 4-wire |
| Power Consumption | ≤2 W |
| Explosion Protection | Ex d IIC T6 Gb |
| Ingress Protection | IP66 |
| Compliance Standard | GB 12358–2006 |
| Display | High-brightness OLED, bilingual Chinese/English interface |
| Operation Modes | Magnetic stylus & bidirectional infrared remote |
| Sensor Interface | Hot-swappable, auto-diagnostic, multi-principle sensor platform (PID, electrochemical, catalytic bead, infrared, MOS) |
| Compatible Gases | VOCs and selected toxic gases (e.g., benzene, toluene, xylene, styrene, acetone, isopropanol, chlorinated hydrocarbons) |
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