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| Brand | Korno |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Producer |
| Country of Origin | China |
| Model | MOT500-CO2 |
| Detection Gas | CO₂ |
| Sensor Principle | Non-Dispersive Infrared (NDIR) |
| Measurement Ranges | 0–500 / 1000 / 2000 / 5000 / 10,000 / 50,000 ppm |
| Resolution | 1 ppm (≤50,000 ppm), 0.01 %VOL (0–100 %VOL) |
| Response Time (T90) | ≤20 s |
| Accuracy | ≤±3% FS |
| Linearity Error | ≤±1% FS |
| Zero Drift | ≤±2% FS |
| Repeatability | ≤±1% FS |
| Explosion Protection Certification | CCRI24.8021X |
| IP Rating | 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 (NO/NC, 125 VAC/0.3 A, 30 VDC/1 A) |
| Installation Options | Wall-mount, pipe-mount (M40×1.5 mm thread), flow-through |
| Enclosure Material | Die-cast aluminum with sandblasted anodized or fluorocarbon coating |
| Dimensions (L×W×H) | 226 × 215 × 85 mm |
| Net Weight | 1.7 kg |
| Compliance Standards | GB/T 3836.1–2021, GB/T 3836.2–2021, GB/T 3836.31–2021 |
| Brand | Korno |
|---|---|
| Model | MOT500-He |
| Detection Gas | Helium (He) |
| Sensor Type | Imported Thermal Conductivity Sensor |
| Measurement Ranges | 0–10%, 0–50%, or 0–100% VOL |
| Resolution | 0.01% VOL |
| Response Time (T90) | ≤20 s |
| Accuracy | ≤±3% FS |
| Linearity Error | ≤±1% FS |
| Zero Drift | ≤±2% FS |
| Recovery Time | ≤20 s |
| Sensor Expansion | Up to 6 configurable gas sensors |
| Explosion Protection Certification | CCRI24.8021X |
| 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, 1 km), RS485 (MODBUS RTU, 2 km), 0–5 V / 0–10 V, 2× relay outputs (expandable to 3) |
| Installation Options | Wall-mount, threaded pipe mount (M40×1.5 mm), flow-through |
| Communication Options | Cable (3/4-core), TCP/IP (fiber/Ethernet), GPRS (optional), 433 MHz wireless (2–10 km, optional) |
| Housing | Die-cast aluminum with sandblasted oxidation/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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