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| Brand | Cubic |
|---|---|
| Model | JM-AM4302 |
| Detection Principle | Electrochemical |
| Gas Measured | CO |
| Range | 0–1000 ppm |
| Resolution | 1 ppm |
| Alarm Threshold | 220 ppm (adjustable) |
| Alarm Accuracy | ±40 ppm |
| Response Time | <60 s (diffusion mode) |
| Operating Temp. | −10°C to +50°C |
| Humidity Range | 0–90% RH |
| Power Supply | 3 VDC |
| Current Consumption | ≤1 mA |
| IP Rating | IP30 (per GB 23757) |
| Compliance | GB 15322.2–2019, UL 2034–2017, RoHS, China Fire Certification |
| Sensor Lifetime | 10 years |
| Dimensions | 84 × 84 × 33.5 mm |
| Weight | 260 g |
| Output Interface | UART serial (default) |
| Indication | Green (normal), Red (alarm), Yellow (fault or end-of-life) |
| Brand | CUBIC INSTRUMENTS |
|---|---|
| Origin | Hubei, China |
| Manufacturer Type | Authorized Distributor |
| Country of Origin | China |
| Model | CTD-01/CLD-01 |
| Detection Principle | Electrochemical (ECD) |
| Target Gases | CO, H₂S |
| Measurement Range | CO: 0–1000 ppm |
| H₂S | 0–100 ppm |
| Accuracy | ±2 µmol/mol or ±10% of reading |
| Resolution | 1 ppm |
| Response Time (T90) | <30 s |
| Warm-up Time | 30 s |
| Sampling Method | Diffusion |
| Explosion Protection Rating | Ex d II C T6 Gb |
| Certifications | CPA (China Metrology Accreditation), Ex Certificate |
| Output Signals | RS-485 digital interface, 2× SPST relay (NO), 1× 4–20 mA analog output |
| Operating Temperature | −20 to +60 °C |
| Storage Temperature | −40 to +85 °C |
| Relative Humidity | ≤95% RH (non-condensing) |
| Power Supply | DC 12–24 V |
| Display | LCD |
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