CD2RMCC02XSXXX
Details
Details
Room CO2 Transmitter, 0-2000 ppm, 4-20mA/0-5V/0-10V, 100 ohm Plat RTD Temp, Override, Concealed LCD
Needs 24 VAC/DC power. Needs self-calibration turned off and a yearly calibration in spaces occupied 24 hours.
Key Features
- Output signal: 4-20mA (3-wire), 0-5V, or 0-10V, field selectable
- Override switch: Dry contact, 50 mA @ 12 VDC max
- Sensor coverage area: 1,000 sq ft (100 sq m) typical
Product Specifications
| Manufacturer | Greystone |
|---|---|
| Model | CD2RMCC02XSXXX |
| Gas detected | Carbon dioxide (CO2) |
| Sensor type | Dual channel non-dispersive infrared (NDIR) |
| Sensor accuracy | +/-(30 ppm + 3% of measured value) |
| Measurement range | 0 to 2000 ppm, adjustable 1000 to 10,000 ppm |
| Temperature dependency | +/-1.4 ppm per deg F (+/-2.5 ppm per deg C) |
| Response time | 20 seconds (T63) |
| Warm-up time | 1 minute |
| Sensor coverage area | 1,000 sq ft (100 sq m) typical |
| Sensor life span | Over 15 years |
| Transmitter accuracy | +/-0.25% of span (including linearity, hysteresis, and repeatability) |
| Power supply | 24 VDC +/-20% or 24 VAC +/-10% (non-isolated half-wave rectified) |
| Protection circuitry | Reverse voltage and transient protected |
| Input voltage effect | Negligible over specified operating range |
| Output signal | 4-20mA (3-wire), 0-5V, or 0-10V, field selectable |
| Current consumption | 4-20mA output: 75 mA @ 24 VDC, 150 mA @ 24 VAC max; voltage output: 50 mA @ 24 VDC, 100 mA @ 24 VAC max |
| Output drive @ 24 VDC | Current: 550 ohm max; voltage: 10k ohm min |
| Ambient operating range | 32 to 122 deg F (0 to 50 deg C), 0 to 95% RH non-condensing |
| Storage temperature | -40 to 158 deg F (-40 to 70 deg C) |
| LCD | Concealed, backlit; ppm (CO2) and deg F/C (optional temp/setpoint); 0 to 10,000 ppm, 32 to 122 deg F (0 to 50 deg C); 1.4 x 0.6 in. (35 x 15 mm), 2-line x 8 character |
| Temp sensor | 100 ohm platinum RTD, IEC 751, 385 alpha, thin film; 2-wire resistive output |
| Relay | None |
| Override switch | Dry contact, 50 mA @ 12 VDC max, 2-wire output |
| Setpoint | None |
| Enclosure | White ABS, IP30 (NEMA 1); 3.3 x 4.7 x 1.15 in. (84 x 119 x 29 mm) |
| Mounting | Single-gang electrical box or directly on a wall, 5 ft above the floor |
| Wiring connections | Screw terminal block (14 to 22 AWG) |
| Self-calibration | For spaces that drop to outdoor CO2 levels (about 400 ppm) at least 1 hour per day; for 24-hour occupancy or steady high or low CO2, turn it off and calibrate yearly |
| Calibration kit | CDD1-CALKIT-GS (gas not included) |
| Calibration guarantee | 5 years when inside levels periodically drop to outdoor levels (Greystone terms) |
| Use limits | Indoor air-conditioned spaces; not for life-safety use, explosive or hazardous locations, or as a safety or emergency-stop device |
| Approvals | CE |
| Country of origin | Canada |