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Dwyer GSTC-C-FC | Carbon Dioxide Transmitter | CO: 0 to 500 PPM NO₂: 10 PPM, Drift: <5% per year in air
The Dwyer GSTC-C-FC is a carbon dioxide transmitter with range CO: 0 to 500 PPM NO₂: 10 PPM, output Drift: <5% per year in air and resolution CO: 1 PPM NO₂: 0.1 PPM. Dwyer lists replaceable CO or NO2 sensors of industrial grade., on GSTC models, field-selectable BACnet or Modbus® connection. and option for integrated LCD display. among its features.
- Mounting: Wall mount
- Display: None (A-449 service display tool for set-up/calibration)
- Communication: BACnet MS/TP or Modbus® RTU over 2-wire RS-485
- Accuracy: CO: 2% FS NO₂: 3% FS, at the time of calibration
- Approvals: CE
- Connection: Electrical: Removable terminal block, knockouts for conduit fitting
- Coverage Area: 5000 to 7500 sq ft typical
- Enclosure Rating: IP64
- Specifications
- Features
- Downloads
| Brand | Dwyer Instruments |
| Part Number | GSTC-C-FC |
| Type | Carbon Monoxide (CO) Transmitter, Series GSTC |
| Mounting | Wall mount |
| Display | None (A-449 service display tool for set-up/calibration) |
| Communication | BACnet MS/TP or Modbus® RTU over 2-wire RS-485 |
| Accuracy | CO: 2% FS NO₂: 3% FS, at the time of calibration |
| Approvals | CE |
| Connection | Electrical: Removable terminal block, knockouts for conduit fitting |
| Coverage Area | 5000 to 7500 sq ft typical |
| Enclosure Rating | IP64 |
| Housing | UV resistant glass-filled polycarbonate |
| Humidity | Limits: 15 to 90% RH constant; 0 to 99% RH intermittent |
| Maximum Operating Temperature | -4 to 122°F (-20 to 50°C) |
| Output Signal | BACnet MS/TP, MODBUS® RTU, or MODBUS® ASCII (switch selectable) communication protocol |
| Output | Drift: <5% per year in air |
| Power | 10-36 VDC or isolated 21.6-33 VAC, 5.7 mA @ 24 VDC |
| Range | CO: 0 to 500 PPM NO₂: 10 PPM |
| Resolution | CO: 1 PPM NO₂: 0.1 PPM |
| Response Time | <45 s to 90% CO, <25 s to 90% NO₂ |
| Sensor Type | Field replaceable electrochemical, 4 years typical lifespan |
| Sensor | Industrial-grade, field replaceable |
| Storage Temperature | For best sensor life, 32 to 68°F (0 to 20°C) |
| Weight | 1 lb (0.45 kg) |
| Zero and Span Adjustments | Via pushbutton, using optional A-449 display. Zero only via BACnet or MODBUS® communication protocol |
| Factory Calibration Certificate | Included |
- Replaceable CO or NO2 sensors of industrial grade.
- On GSTC models, field-selectable BACnet or Modbus® connection.
- Option for integrated LCD display.
- For versions without an LCD, this service display tool is used for setup and calibration.
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