ATW Two Wire Transmitter
Key Features
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4 - 20 mA linear output signal
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LED indicators for power and alarm status
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RoHS compliant circuit boards
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Temperature compensation
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Thermal resetting fuse
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Automated calibration procedure
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Calibration due notification (available)
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Loop powered wiring, 2 conductor, 18 - 20 gauge shielded
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Power requirement 12 - 28 VDC
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C-Tick certified
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The rugged, reliable ATW two wire analog transmitter offers a wide variety of electrochemical sensors to detect a wide range of gases.
ATW transmitter converts the raw signal from a sensor into a useful output that can be sent to a controller or building automation system.
Several enclosure options are available to meet the requirements of many different applications.
ATW transmitter features 4 - 20 mA linear output signals, automatic thermal resetting fuse, RoSH compliant circuit boards, and LED indicators for power and function indications.
Automated calibration and other maintenance procedures are simple and are easily performed in the field.
APPLICATIONS
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Parking Garages
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Repair Shops
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Ice Cleaning Machine Roo
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Pools
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Manufacturing Plants
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and many more
Gas Types
| Ammonia (NH3) |
EAM |
| Carbon Monoxide (CO) |
ECO |
| Chlorine (Cl2) |
ECL |
| Ethylene Oxide (ETO) |
EET |
| Formaldehyde (CH2O) |
EFO |
| Hydrogen (H2) |
EH2 |
| Hydrogen Sulphide (H2S) |
EHS |
| Nitrogen Dioxide (NO2) |
END |
| Nitric Oxide (NO) |
ENO |
| Oxygen (O2) |
OO2 |
| Ozone (O3) |
EO3 |
| Sulphur Dioxide (SO2) |
ESO |
Sensors
Mechanical
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ATW Standard Two Wire Transmitter |
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Enclosure: |
Polycarbonate |
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Weight: |
255 g (9 oz) |
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Size: |
4.4" x 6.5" x 2.5" (113 mm x 165 mm x 65 mm) |
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ATW-W Watertight Two Wire Transmitter |
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Enclosure: |
Watertight Polycarbonate |
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Weight: |
340 g (12 oz) |
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» Size: |
4.9” x 4.9” x 2.9” (125 mm x 125 mm x 75 mm) |
Electrical
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Power Requirement: |
12 - 28 VDC |
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Current Draw: |
22 mA maximum |
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Outputs: |
Linear 4 - 20 mA signal |
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Wiring: |
Loop powered, 2-conductor |
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Fuse: |
Automatic resetting thermal |
Environmental
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Operating Temperature: |
-20°C to 40°C (-4°F to 104°F) |
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Humidity: |
15 - 95% RH non-condensing |
Note: Measurements above are sensor dependent.
Certifications
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C-Tick Certified |
Drawings
Product Specifications
Engineering Specification Samples
DataSheets
Operation Manual
Application Brochure
Miscellaneous Files
ATW Standard Two Wire Transmitter
| Ammonia (NH3) electrochemical, 0-500 ppm |
ATW-EAM |
| Carbon monoxide (CO), 0-200 ppm |
ATW-ECO |
| Chlorine (Cl2), 0-5 ppm |
ATW-ECL |
| Ethylene oxide (ETO), 0-20 ppm |
ATW-EET |
| Formaldehyde (CH2O), 0-10 ppm |
ATW-EFO |
| Hydrogen (H2), 0-2000 ppm |
ATW-EH2 |
| Hydrogen sulphide (H2S), 0-50 ppm |
ATW-EHS |
| Nitrogen dioxide (NO2), 0-10 ppm |
ATW-END |
| Nitric oxide (NO), 0-100 ppm |
ATW-ENO |
| Oxygen (O2) electrochemical, 0-25% volume |
ATW-OO2 |
| Ozone (O3), 0-2 ppm |
ATW-EO3 |
| Sulphur dioxide (SO2), 0-20 ppm |
ATW-ESO |
ATW-W Watertight Two Wire Transmitter
| Ammonia (NH3) electrochemical, 0-500 ppm |
ATW-EAM-W |
| Chlorine (Cl2), 0-5 ppm |
ATW-ECL-W |
| Carbon monoxide (CO), 0-200 ppm |
ATW-ECO-W |
| Ethylene Oxide (ETO), 0-20 ppm |
ATW-EET-W |
| Formaldehyde (CH2O), 0-10 ppm |
ATW-EFO-W |
| Hydrogen (H2), 0-2000 ppm |
ATW-EH2-W |
| Hydrogen sulphide (H2S), 0-50 ppm |
ATW-EHS-W |
| Nitrogen dioxide (NO2), 0-10 ppm |
ATW-END-W |
| Nitric oxide (NO), 0-100 ppm |
ATW-ENO-W |
| Oxygen (O2) electrochemical, 0-25% volume |
ATW-OO2-W |
| Ozone (O3), 0-2 ppm |
ATW-EO3-W |
| Sulphur dioxide (SO2), 0-20 ppm |
ATW-ESO-W |
Watertight Option
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Metal Protective Guard
» 16 guage, clear anodized metal protective guard
» Larger size for controllers & self-contained systems
» Smaller size for analog & digital transmitters
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Fixed Calibration Kit
» Full selection of calibration gases from stock
» All required calibration accessories for field and shop calibration
» Full service and calibration shop for fixed gas detection instruments
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Where to Buy
ATW Standard Enclosure Drawing
ATW-ECO for Parking Garages
ATW-OO2 for Oxygen (O2) Depletion (SF6 applications)
Quick Selection Guide For Fixed Gas Detection Transmitters
