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Documents: GSTA-C-LCD-FC

Application & Installation Note Instruction Manual Series GSTA Catalog Page GSTA More Info

GSTA-C-LCD-FC | Carbon monoxide transmitter with universal current/voltage outputs | LCD display | includes factory calibration certificate | Dwyer

Carbon monoxide transmitter with universal current/voltage outputs, LCD display, includes factory calibration certificate

Brand: DwyerSKU: GSTA-C-LCD-FC

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Overview Details for GSTA-C-LCD-FC

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Carbon monoxide transmitter with universal current/voltage outputs | LCD display | includes factory calibration certificate

SERIES GSTA CARBON MONOXIDE/NITROGEN DIOXIDE GAS TRANSMITTER

High Accuracy Electrochemical Sensor, Universal Output

The Series GSTA Carbon Monoxide/Nitrogen Dioxide Transmittersmonitor 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 andvoltage outputs allow the transmitter to be used with almost any buildingmanagement controller. For carbon monoxide units, the user can select the outputrange to be from 0 to 50 PPM or up to 0 to 500 PPM. Nitrogen dioxide units come with astandard 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-calibratedusing 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.

Product Applications

Garage or loading dock ventilation
Mechanical room monitoring

Add optional integral LCD displayby adding -LCD to end of modelnumber (Example: GSTA-C-LCD)
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

Specifications

Series: GSTA CARBON MONOXIDE/NITROGEN DIOXIDE GAS TRANSMITTER
Category/Type: Air Quality
Type: Carbon Monoxide Transmitters
Series: GSTA CARBON MONOXIDE/NITROGEN DIOXIDE GAS TRANSMITTER
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-449display.
Housing: UV resistant glass filled polycarbonate.
Output Signals: Switch selectable 4 to 20 mA (loop powered); 0 to 5 V @ 5 mA; or 0to 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 forconduit fitting.
Calibration: Via onboard push-buttons (LCD model only) or using optional A-449display. Span gas concentration is field selectable.
Enclosure Rating: IP64.
Weight: 1 lb (.45 kg).
Agency Approvals: CE.