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OMEGA EWS-TX Indoor Wall-Mount Temperature and Humidity Transmitter - Indoor Wall-Mount Transmitters
OMEGAIndoor Wall-Mount Transmitters

OMEGA EWS-TX Indoor Wall-Mount Temperature and Humidity Transmitter

The OMEGA EWS-TX is an indoor wall-mount temperature and humidity transmitter with a 4 to 20mA/1 to 5V DC output. It uses a thin-film polymer capacitor sensing element and has no display. Humidity accuracy is ±3% RH…

SKU 3G-OTH-179247

Also listed as: EWSTX · EWS TX

Brand
OMEGA
Item
EWS-TX Indoor Wall-Mount Temperature and Humidity Transmitter
Category
Indoor Wall-Mount Transmitters
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OMEGA
Manufacturer Part Number
EWS-TX
Type
Thin-Film Polymer Capacitor, EWS
Output
4 to 20mA/1 to 5V DC
Display Type
No Display
Humidity Accuracy
20 to 80% of ±3% RH
Temperature Range
-15 °C to 77 °F
Sensing Element Type
Thin-Film Polymer Capacitor
Temperature Accuracy
80 to 95% of ±4% RH

Technical Documents

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OMEGA Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OMEGA EWS-TX is an indoor wall-mount temperature and humidity transmitter with a 4 to 20mA/1 to 5V DC output. It uses a thin-film polymer capacitor sensing element and has no display. Humidity accuracy is ±3% RH from 20 to 80% RH and ±4% RH from 5 to 20% and 80 to 95% RH; temperature accuracy is ±4% RH from 80 to 95% RH. The temperature range is -15 °C to 77 °F.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OMEGA EWS-TX temperature and humidity transmitter used for?

The OMEGA EWS-TX is an indoor wall-mount transmitter used for monitoring temperature and humidity in HVAC, clean rooms, and environmental control applications. It provides a 4 to 20mA/1 to 5V DC output for integration with building management systems.

What are the specifications of the OMEGA EWS-TX transmitter?

The OMEGA EWS-TX uses a thin-film polymer capacitor sensing element with no display. Humidity accuracy is ±3% RH from 20 to 80% RH and ±4% RH from 5 to 20% and 80 to 95% RH. Temperature range is -15 °C to 77 °F. Output is 4 to 20mA/1 to 5V DC.

Where to buy the OMEGA EWS-TX worldwide?

You can source the OMEGA EWS-TX through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to install the OMEGA EWS-TX wall-mount transmitter?

Mount the OMEGA EWS-TX on an interior wall away from direct sunlight, drafts, and heat sources. Connect the 4 to 20mA/1 to 5V DC output to your controller per the wiring diagram. Ensure the sensing element is unobstructed for accurate readings.

Used in

Common applications for OMEGA
Process control — OMEGA PR-22-3-100-A-1/8-0600-M12 RTD probes for temperature monitoring in chemical reactors
HVAC systems — OMEGA DP32PT digital panel meters for displaying temperature and pressure in building management
Gas appliance testing — OMEGA 5SC-TT-K-36-36 Type K thermocouples for measuring flue gas temperatures
Surface temperature measurement — OMEGA SA1-RTD-120 surface RTDs for monitoring pipe or vessel walls
Laboratory instrumentation — OMEGA NHX-K-M thermocouple plugs for connecting sensors to data loggers
Energy management — OMEGA M12TXSS-PT100-13MM-1/8NPT transmitters for boiler temperature feedback

OMEGA Products

3G Electric supplies OMEGA indoor wall-mount transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This indoor wall-mount transmitter measures temperature and humidity, providing a 4 to 20mA output for integration with building management systems. It covers a temperature range of -22 to 167°F with ±1.25°C accuracy and humidity accuracy of ±2.5% from 20 to 80% RH. The unit features screw terminals and no display, suitable for HVAC, clean rooms, and environmental chambers
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This indoor wall-mount transmitter measures temperature and humidity, providing a 4 to 20mA output for integration with building management systems. It covers a temperature range of -22 to 167°F with ±1.25°C accuracy and humidity accuracy of ±2.5% from 20 to 80% RH. The unit features screw terminals and no display, suitable for HVAC, clean rooms, and environmental chambers
Indoor wall-mount transmitter with thin-film polymer capacitor sensing element. Outputs 4 to 20 mA or 1 to 5 V DC via screw terminals. Humidity accuracy ±3% RH from 20 to 80% RH; temperature accuracy ±4% RH from 5 to 20% RH. Operating temperature range -15 °C to 77 °F. No display. Suitable for HVAC, clean rooms, and environmental monitoring
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Indoor wall-mount transmitter with thin-film polymer capacitor sensing element. Outputs 4 to 20 mA or 1 to 5 V DC via screw terminals. Humidity accuracy ±3% RH from 20 to 80% RH; temperature accuracy ±4% RH from 5 to 20% RH. Operating temperature range -15 °C to 77 °F. No display. Suitable for HVAC, clean rooms, and environmental monitoring
The OMEGA HX303AC is a standard temperature and humidity transmitter from the HX300A series. It features a 2.75-inch probe with an IEC 751 sensing element and operates on a 4 to 20 mA loop. The transmitter measures temperature from 0°C to 50°C with ±0.3°C accuracy and humidity with ±2.5% RH accuracy. Typical applications include monitoring and control in HVAC systems, clean rooms, and environmental chambers
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The OMEGA HX303AC is a standard temperature and humidity transmitter from the HX300A series. It features a 2.75-inch probe with an IEC 751 sensing element and operates on a 4 to 20 mA loop. The transmitter measures temperature from 0°C to 50°C with ±0.3°C accuracy and humidity with ±2.5% RH accuracy. Typical applications include monitoring and control in HVAC systems, clean rooms, and environmental chambers
The OMEGA TX13 is a head-mount temperature transmitter from the TX series. It operates on a 4 to 20mA loop and measures temperatures from -40°C to 85°C with an accuracy of ±0.5°C. Typical applications include industrial temperature monitoring in HVAC, process control, and environmental chambers
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The OMEGA TX13 is a head-mount temperature transmitter from the TX series. It operates on a 4 to 20mA loop and measures temperatures from -40°C to 85°C with an accuracy of ±0.5°C. Typical applications include industrial temperature monitoring in HVAC, process control, and environmental chambers
The OMEGA HX94C is a standard temperature transmitter from the HX94 series, featuring a 254 mm probe and a temperature range of -20 °C to 85 °C with an accuracy of ±0.6°C. It requires a 4 to 20 mA power supply. This transmitter is suitable for temperature monitoring in HVAC, clean rooms, and environmental chambers
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The OMEGA HX94C is a standard temperature transmitter from the HX94 series, featuring a 254 mm probe and a temperature range of -20 °C to 85 °C with an accuracy of ±0.6°C. It requires a 4 to 20 mA power supply. This transmitter is suitable for temperature monitoring in HVAC, clean rooms, and environmental chambers
The OMEGA HX200HD is a standard temperature transmitter with a 10.16 cm probe and 1/2 in NPT connection. It operates from 0°C to 200°C with an accuracy of ±3.0°C and requires a 4 to 20 mA power supply. This device is used for temperature measurement in industrial process control and environmental monitoring applications
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The OMEGA HX200HD is a standard temperature transmitter with a 10.16 cm probe and 1/2 in NPT connection. It operates from 0°C to 200°C with an accuracy of ±3.0°C and requires a 4 to 20 mA power supply. This device is used for temperature measurement in industrial process control and environmental monitoring applications

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This indoor wall-mount transmitter measures temperature from -22°F to 167°F with ±4% accuracy and relative humidity from 0 to 100% RH, achieving ±2.5% accuracy from 20 to 80% RH. It provides a 4 to 20mA output via screw terminals and has no display. Typical applications include building automation, HVAC control, and environmental monitoring in commercial or industrial facilities
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This indoor wall-mount transmitter measures temperature from -22°F to 167°F with ±4% accuracy and relative humidity from 0 to 100% RH, achieving ±2.5% accuracy from 20 to 80% RH. It provides a 4 to 20mA output via screw terminals and has no display. Typical applications include building automation, HVAC control, and environmental monitoring in commercial or industrial facilities
The OMEGA EWS-RH is an indoor wall-mount transmitter for temperature and humidity monitoring. It uses a thin-film polymer capacitor sensing element and provides a 4 to 20mA or 1 to 5V DC output. The device has no display and is suitable for HVAC, clean rooms, and environmental control systems
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The OMEGA EWS-RH is an indoor wall-mount transmitter for temperature and humidity monitoring. It uses a thin-film polymer capacitor sensing element and provides a 4 to 20mA or 1 to 5V DC output. The device has no display and is suitable for HVAC, clean rooms, and environmental control systems