GDTCNCSMCIR1A13
Details
Details
CO/NO2 Gas Detector, 0-500 ppm CO, 0-10 ppm NO2, 4-20mA, 1 Relay, Horn/Strobe, 1k Nickel RTD, Concealed LCD
Needs a new CO sensor pod every 5 to 7 years and a new NO2 pod every 2 years. Does not work as a safety or emergency-stop device or in explosive or hazardous locations.
Key Features
- Relay outputs: 1 Form C (NO + NC), 5A @ 140 VAC
- Alarm: Audible buzzer 93 dB @ 11.8 in. (30 cm)
- Temp sensor: 2-wire resistive output
- Coverage area: 50 ft (15 m) radius
- Power supply: 24 VDC +/-20% or 24 VAC +/-10%
Product Specifications
| Manufacturer | Greystone |
|---|---|
| Model | GDTCNCSMCIR1A13 |
| Gas detected | Carbon monoxide (CO) and nitrogen dioxide (NO2), both sensors in one enclosure |
| Sensor type | Electrochemical, diffusion sampling, field-replaceable sensor pod |
| CO sensor approval | UL approved component for UL 2075/with UL 2034, File No. E240671 |
| Measurement range | CO 0 to 500 ppm, adjustable 100 to 500 ppm; NO2 0 to 10 ppm |
| Sensor accuracy | CO +/-5 ppm or +/-5% of reading; NO2 +/-0.2 ppm or +/-5% of reading |
| Response time | Under 30 seconds typical |
| Warm-up time | 1 minute |
| Coverage area | 7,500 sq ft (700 sq m) or 50 ft (15 m) radius |
| Sensor life | CO 5 to 7 years in air; NO2 2 years |
| Reproducibility (same day) | +/-2% |
| Long-term drift | CO under 5% per year; NO2 zero under +/-2 ppm/year, span under 2% signal/month |
| Power supply | 24 VDC +/-20% or 24 VAC +/-10% (non-isolated half-wave rectified) |
| Protection circuitry | Reverse voltage and transient protected |
| Output signal | 4-20mA (3-wire), active |
| Output drive @ 24 VDC | 550 ohm maximum |
| Current consumption | 425 mA @ 24 VAC max, 220 mA @ 24 VDC max (test mode) |
| LCD | Concealed (hidden with cover closed); ppm for CO/NO2, deg F/C for optional temp; 1.4 x 0.6 in. (35 x 15 mm), 2-line x 8 character; backlight enable or disable via menu |
| User interface | Silence/test button, bi-color status LED, red LED alarm indicator, white high-intensity LED strobe |
| Relay outputs | 1 Form C (NO + NC), 5A @ 140 VAC, 5A @ 30 VDC; setpoint, hysteresis, and time delay programmable via menu |
| Alarm | Audible buzzer 93 dB @ 11.8 in. (30 cm); visual high-intensity white LED strobe |
| Temp sensor | 1000 ohm nickel RTD, 2-wire resistive output |
| Temp accuracy | Nickel RTDs +/-0.72 deg F (+/-0.4 deg C) @ 32 deg F (0 deg C) |
| Ambient operating range | -4 to 122 deg F (-20 to 50 deg C), 15 to 90% RH non-condensing |
| Storage temperature | -22 to 140 deg F (-30 to 60 deg C) |
| Mounting | Surface mount, IP65; 4 to 6 ft (1.2 to 1.8 m) above the floor recommended, sensor pods pointing down |
| Main enclosure | Grey polycarbonate, UL94 V0, IP65 (NEMA 4X) with security screw installed; hinged, gasketed cover |
| Main enclosure dimensions | 8 x 7.24 x 2.15 in. (202.3 x 184 x 54.3 mm) including sensor pod |
| Main enclosure weight | 1.14 lb (515 g) including sensor pod |
| Wiring connections | Screw terminal block (14 to 22 AWG); top or bottom conduit entry, 0.875 in. (22.73 mm) hole |
| Calibration kit | GDT-CALKIT-CNC, gas not included (250 ppm CO in air and 10 ppm NO2 in air) |
| Use limits | Not for explosive or hazardous locations, combustible or flammable gases, or use as a safety or emergency-stop device |
| Approvals | CE |
| Country of origin | Canada |
