GSTA/GSTC Carbon Monixide/Nitrogen Dioxide Gas Transmitter

Monitor the gas concentration in underground parking garages & loading docks.

Starting at

$399.08CAD

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Used in

GSTAGSTC Carbon Monixide Nitrogen Dioxide Gas Transmitter 07264

GSTAGSTC Carbon Monixide Nitrogen Dioxide Gas Transmitter 02788

GSTAGSTC Carbon Monixide Nitrogen Dioxide Gas Transmitter 1583e

GSTAGSTC Carbon Monixide Nitrogen Dioxide Gas Transmitter 3844f

GSTAGSTC Carbon Monixide Nitrogen Dioxide Gas Transmitter 7865a

GSTAGSTC Carbon Monixide Nitrogen Dioxide Gas Transmitter 921d1

GSTAGSTC Carbon Monixide Nitrogen Dioxide Gas Transmitter ced10

GSTAGSTC Carbon Monixide Nitrogen Dioxide Gas Transmitter d102e

The Series GSTA Carbon Monoxide/Nitrogen Dioxide Transmitters monitor the gas concentration in underground parking garages and loading docks. Carbon monoxide is commonly used to measure the exhaust of gasoline engines, while nitrogen dioxide is used for diesel engines. Field selectable current and voltage outputs allow the transmitter to be used with almost any building management controller. For carbon monoxide units, the user can select the output range to be from 0 to 50 ppm or up to 0 to 500 ppm. Nitrogen dioxide units come with a standard 0 to 10 ppm range. The output can be inverted to read 20 to 4 mA or 10 (5) to 0 VDC using internal dip switches.

To maximize the accuracy of the Series GSTA, the sensor can be field-calibrated using the A-449 remote LCD display. When the sensor reaches the end of its life, the display will indicate that the sensor needs to be replaced.

The Series GSTC Carbon Monoxide/Nitrogen Dioxide Gas Transmitter monitors the gas concentration in underground parking garages and loading docks. The carbon monoxide transmitter is used to measure the exhaust of gasoline engines, while the nitrogen dioxide transmitter is used for diesel engines. The Series GSTC is compatible with either BACnet or Modbus® communication protocol, allowing the transmitter to be used with almost any building management controller. The GSTC output is communicated over an RS-485 wire via BACnet or Modbus® communication protocol. To maximize the accuracy of the Series GSTC, the sensor can be field-calibrated using the A-449 remote LCD display. When the sensor reaches the end of its life, the display will indicate that the sensor needs to be replaced. BACnet and Modbus® communication protocol recommend limiting the number of nodes in any segment to 32. Therefore, the transceiver may be rated at one unit load. Fractional loads are also acceptable. The Series GSTC accounts as an eighth of a load on the MS/TP network.

• Industrial grade replaceable CO or NO2 sensors

• Field selectable current or voltage output on GSTA models

• Service display tool for set-up and calibration of models without a LCD

Sensor:	Field replaceable electrochemical, 4 years typical lifespan. Recommend calibration every 6 months.
Range:	NO2: 10 PPM; CO: Switch selectable 200 or 500 PPM.
Output Drift:	<5% per year in air.
Coverage Area:	5000 to 7500 sq ft typical.
Accuracy:	CO: ±2% FS, NO2: ±3% FS, at the time of calibration.
Resolution:	CO: 1 ppm
Temperature Limits:	Ambient: -4 to 122°F (-20 to 50°C); Storage: For best sensor life, 32 to 68°F (0 to 20°C).
Humidity Limits:	15 to 90% RH constant; 0 to 99% RH intermittent.
Response Time:	<45 seconds to 90% CO, <25 to 90% NO2.
Span and Zero Adjustment:	Via pushbutton, using optional A-449 display.
Housing:	UV resistant glass filled polycarbonate.
Output Signals:	Switch selectable 4 to 20 mA (loop powered), 0 to 5 V @ 5 mA, or 0 to 10 V@ 5 mA; Switch selectable 0 to 5 V / 1 to 5 V and 0 to 10 V / 2 to 10 V; Switch selectable normal or reverse output.
Power Requirements:	Current output: 10-35 VDC, Voltage output: 15-35 VDC or 15-29 VAC.
Electrical Connection:	Removable terminal block, knocks out for conduit fitting.
Calibration:	Via onboard push-buttons (LCD model only) or using optional A-449 display. Span gas concentration is field selectable.
Enclosure Rating:	IP64.
Weight:	1 lb (.45 kg).
Agency Approvals:	CE.

• Garage or loading dock ventilation

• Mechanical room monitoring

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Data Sheet - GSTA/GSTC Carbon Monixide/Nitrogen Dioxide Gas Transmitter
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Brochure - GSTA/GSTC Carbon Monixide/Nitrogen Dioxide Gas Transmitter
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Manual - GSTA/GSTC Carbon Monixide/Nitrogen Dioxide Gas Transmitter
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Manual - GSTA/GSTC Carbon Monixide/Nitrogen Dioxide Gas Transmitter
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