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| Brand | Korno |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | GT-1000-THT |
| Detection Principle | Electrochemical |
| Form Factor | Portable, Pump-Suction |
| Measurement Range | 0–20 ppm / 0–50 ppm / 0–100 ppm (selectable) |
| Resolution | 0.01 ppm (0–100 ppm range) |
| Accuracy | ≤ ±3% FS (dependent on sensor batch and calibration status) |
| Linearity Error | ≤ ±2% FS |
| Zero Drift | ≤ ±2% FS |
| Repeatability | ≤ ±2% FS |
| Response Time (T90) | ≤ 20 s |
| Recovery Time | ≤ 20 s |
| IP Rating | IP67 |
| Explosion Protection Certification | Ex ib IIB T4 Gb (Certificate No.: CLEx25.9119) |
| Conformity | GB/T 3836.1–2021 & GB/T 3836.4–2021 |
| Operating Temperature | –20 °C to +50 °C |
| Operating Humidity | ≤ 95% RH (non-condensing) |
| Power Supply | DC 3.7 V, 3800 mAh or 7200 mAh rechargeable polymer battery |
| Dimensions | 257 × 90 × 65 mm (L×W×H) |
| Weight | 0.5 kg (net) |
| Brand | Korno |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | Manufacturer |
| Country of Origin | China |
| Model | MOT500-THT |
| Detection Principle | Electrochemical Sensor |
| Installation Type | Fixed |
| Measurement Range | 0–20 ppm / 0–50 ppm / 0–100 ppm (selectable) |
| Resolution | 0.01 ppm (for 0–100 ppm range) |
| Accuracy | ≤±3% FS (dependent on sensor batch and calibration) |
| Linearity Error | ≤±1% FS |
| Zero Drift | ≤±2% FS |
| Repeatability | ≤±1% FS |
| Response Time (T90) | ≤20 s |
| Recovery Time | ≤20 s |
| Enclosure Rating | IP66 |
| Explosion Protection Certification | CCRI24.8021X (compliant with GB/T 3836.1–2021, GB/T 3836.2–2021, GB/T 3836.31–2021) |
| 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 precision, up to 1 km), RS485 (MODBUS RTU, up to 2 km), 0–5 V / 0–10 V analog, 2× SPDT relays (expandable to 3) |
| Communication Options | Cable (3/4-core), TCP/IP (fiber/Ethernet, optional), GPRS (optional), 433 MHz wireless (2–10 km, optional) |
| Mounting | Wall-mount, pipe-mount (M40×1.5 mm thread), flow-through configuration |
| Gas Sampling | Diffusion, flow-through, or pump-aspirated (configurable) |
| Sensor Expansion | Up to 6 electrochemical sensors (multi-gas capability) |
| Housing Material | Die-cast aluminum with sandblasted oxidation + fluorocarbon coating |
| Dimensions & Weight | 198 × 162 × 85 mm (L×W×H), 1.5 kg (net) |
| Brand | Korno |
|---|---|
| Origin | Guangdong, China |
| Manufacturer Type | OEM/ODM Manufacturer |
| Country of Origin | China |
| Model | GT-903-THT |
| Detection Principle | Electrochemical |
| Portability | Portable (Pump-Suction) |
| Measurement Range | 0.1–100 mg/m³ (configurable) |
| Sensitivity | Fast response |
| Accuracy | ≤±3% FS (sensor-dependent) |
| Response Time | ≤20 s (T90) |
| Resolution | 0.01 ppm (0–100 ppm range) |
| Linearity Error | ≤±2% FS |
| Zero Drift | ≤±1% FS |
| Recovery Time | ≤20 s |
| Sensor Capacity | Up to 4 interchangeable sensors |
| Repeatability | ≤±2% FS |
| Explosion Protection Certification | CLEx25.9118 |
| Ingress Protection | IP67 |
| Metrological Approval | 2017C125-44 |
| Operating Temperature | −20 to +50 °C |
| Operating Humidity | ≤95% RH (non-condensing) |
| Operating Pressure | 88–112 kPa |
| Battery | 3.7 V DC / 3800 mAh Li-polymer rechargeable |
| Display | 2.4″ industrial-grade color LCD |
| Data Storage | 30,800 × 4 groups (real-time/timed) |
| Connectivity | USB interface for data export |
| Optional Sensors | Temperature & humidity module (−20 to +50 °C / 0–100% RH) |
| Standards Compliance | GB/T 3836.1–2021, GB/T 3836.4–2021 |
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