The KET-CO2-300 is an advanced and versatile 3-in-1 sensor designed for installation in air conditioned areas. It accurately measures CO2 concentration, temperature and humidity in the ambient air without the need for additional compensation.
Ready for communication via RS485 connection with ModBUS RTU protocol compatible with KET-RMB-211 ModBUS bridge/Master or an X-Monitor Gateway.
| Operative Temperature | 0 ÷ +50 °C |
| Storage Temperature | -30 ÷ +70 °C |
| Relative Humidity | MAX 95% not condensing |
| Dimensions | 85 x 125 x 22 mm (W x H x D) |
| Mounting | Wall mounting |
| Supply Voltage | 12 VDC, 24 VDC or 24 VAC (50-60 Hz) ±20% |
| Consumption | Awerage: < 0.35W; Peak: < 2 W |
| Connectors types | 1.5 mm2 screw terminals. Containing: Power, GND, Out1, Out2, Out3, RS485. |
| Supported Protocols | ModBUS RTU |
| Measure Range | 0 ÷ +50 °C |
| Precision | ±0.5 °C (@ 17 ÷ 28 °C), ±1.0 °C (@ 0 ÷ 50 °C) |
| Repeatability | ±0.25 °C (@ 17 ÷ 28 °C) |
| Resolution | 0.1% °C |
| Measure Range | 0 ÷ 100%RH |
| Precision | ±5%RH (@ 20 ÷ 80%RH) |
| Repeatability | ±0.25%RH (@ 20 ÷ 80%RH) |
| Resolution | 0.1%RH |
| Hysteresis | ±1%RH (@ 20 ÷ 80%RH) |
| Long Period Stability | <±0.5%RH/anno |
| Principle of Operation | Non-dispersive infrared (NDIR) waveguide technology |
| Measure Range | 0 ÷ 2000 ppm |
| Accuracy | ±30 ppm +3% of measured value |
| Nominal Pressure | +1.58% reading per kPa deviation from normal pressure, 101.3 kPa |
| Resolution | 0.1% ppm |
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