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| Brand | Korno |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | GT-903-SF6 |
| Instrument Type | Portable |
| Detection Principle | Non-Dispersive Infrared (NDIR) |
| Detection Gas | Sulfur Hexafluoride (SF₆) |
| Measurement Range | 0–100 / 1000 / 2000 / 10,000 ppm |
| Resolution | 1 ppm (0–10,000 ppm) |
| Response Time (T90) | ≤20 s |
| Accuracy | ≤±3% FS |
| Linearity Error | ≤±2% FS |
| Zero Drift | ≤±2% FS |
| Recovery Time | ≤20 s |
| Sensor Expandability | Up to 4 optional gas sensors |
| Explosion Protection Certification | CLEx25.9118 (IECEx / ATEX-compliant design per GB/T 3836.1 & GB/T 3836.4–2021) |
| Ingress Protection | IP67 |
| Operating Temperature | −20 °C to +50 °C |
| Operating Humidity | ≤95% RH (non-condensing) |
| Pressure Range | 88–112 kPa |
| Battery | 3800 mAh rechargeable polymer lithium-ion |
| Charging | USB-C (compatible with PC, power bank, wall adapter) |
| Data Storage | 120,000 records (real-time or scheduled logging) |
| Calibration | Full software-controlled auto-calibration |
| Safety Features | Overvoltage protection, overcharge protection, ESD shielding, magnetic field immunity |
| Dimensions | 180 × 85 × 55 mm (L×W×H) |
| Weight | 0.5 kg (net) |
| Brand | Korno |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | MOT500-SF6 |
| Instrument Type | Online Fixed-Mount Detector |
| Detection Principle | Non-Dispersive Infrared (NDIR) Spectroscopy |
| Measurement Range | 0–100 / 1000 / 2000 / 10000 ppm or 0–20% / 0–100% vol SF₆ |
| Resolution | 1 ppm (0–10000 ppm), 0.01% vol (0–100% vol) |
| Response Time (T90) | ≤20 s |
| Accuracy | ≤±3% FS |
| Linearity Error | ≤±1% FS |
| Zero Drift | ≤±2% FS |
| Recovery Time | ≤20 s |
| Sensor Expandability | Up to 6 gas channels (optional) |
| Repeatability | ≤±1% FS |
| Explosion Protection Certification | CCRI24.8021X (Ex d IIB T4 Gb / Ex tb IIIC T130°C Db) |
| Ingress Protection | IP66 |
| Operating Temperature | −20 to +50 °C |
| Operating Humidity | ≤95% RH (non-condensing) |
| Power Supply | 24 VDC (12–30 VDC) |
| Output Signals | 4–20 mA (16-bit), RS485 (Modbus RTU), 0–5 V / 0–10 V, 2× relay (expandable to 3) |
| Communication Options | Cable (≤2 km), TCP/IP (fiber/Ethernet), GPRS (optional), 433 MHz wireless (2–10 km) |
| Installation | Wall-mount, threaded pipe (M40×1.5 mm), flow-through |
| Enclosure Material | Die-cast aluminum with sandblasted anodized/fluorocarbon coating |
| Dimensions & Weight | 226 × 215 × 85 mm (L×W×H), 1.7 kg (net) |
| Compliance | GB/T 3836.1–2021, GB/T 3836.2–2021, GB/T 3836.31–2021 |
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