Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
OMEGA RTD Sensor: 4 to 20mA/1 to 5V DC, Thin-Film Polymer Capacitor, Screw Terminals - Indoor Wall-Mount Transmitters
OMEGA RTDIndoor Wall-Mount Transmitters

OMEGA RTD Sensor: 4 to 20mA/1 to 5V DC, Thin-Film Polymer Capacitor, Screw Terminals

The OMEGA RTD Sensor (MPN EWS-RTD) is an indoor wall-mount transmitter with a 4 to 20mA/1 to 5V DC output and no display. It uses a thin-film polymer capacitor sensing element and operates within a temperature range…

SKU 3G-OTH-179255

Brand
OMEGA RTD
Item
Sensor: 4 to 20mA/1 to 5V DC, Thin-Film Polymer Capacitor, Screw Terminals
Category
Indoor Wall-Mount Transmitters
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

OMEGA RTD
Manufacturer Part Number
EWS-RTD
Type
Thin-Film Polymer Capacitor, Screw Terminals, -15°C to 77°F
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
5 to 20% of ±4% RH
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The OMEGA RTD Sensor (MPN EWS-RTD) is an indoor wall-mount transmitter with a 4 to 20mA/1 to 5V DC output and no display. It uses a thin-film polymer capacitor sensing element and operates within a temperature range of -15 °C to 77 °F. Humidity accuracy is ±3% RH from 20 to 80% RH, and temperature accuracy is ±4% RH from 5 to 20% RH.

Frequently Asked Questions

What is the OMEGA RTD EWS-RTD sensor used for?

The OMEGA RTD EWS-RTD is an indoor wall-mount transmitter for monitoring humidity and temperature in HVAC, clean rooms, and environmental chambers. It outputs 4 to 20mA or 1 to 5V DC signals for integration with building management systems.

What are the specifications of the OMEGA RTD EWS-RTD?

The OMEGA RTD EWS-RTD uses a thin-film polymer capacitor sensing element with screw terminals. It has no display, operates from -15 °C to 77 °F, and offers humidity accuracy of ±3% RH from 20 to 80% RH. Output is 4 to 20mA/1 to 5V DC.

Where to buy the OMEGA RTD EWS-RTD worldwide?

3G Electric supplies the OMEGA RTD EWS-RTD worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the OMEGA RTD EWS-RTD sensor?

Mount the OMEGA RTD EWS-RTD on an indoor wall at mid-height, away from direct sunlight and drafts. Connect the screw terminals to a 4 to 20mA or 1 to 5V DC input. Follow OMEGA's manual for wiring and commissioning.

OMEGA RTD Products

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
OMEGA Temperature and Humidity Transmitter: 4 to 20mA/1 to 5V DC, Thin-Film Polymer Capacitor, EWS (MPN EWS-RH). Key specifications — Display Type: No Display; Humidity Accuracy: 20 to 80% of ±3% RH; 5 to 20% of ±4% RH; 80 to 95% of ±4% RH; Sensing Element Type: Thin-Film Polymer Capacitor; Temperature Accuracy: 20 to 80% of ±3% RH; Output: 4 to 20mA/1 to 5V DC; Temperature Range: -15 °C to 77 °F.
OMEGA
OMEGA Temperature and Humidity Transmitter: 4 to 20mA/1 to 5V DC, Thin-Film Polymer Capacitor, EWS (MPN EWS-RH). Key specifications — Display Type: No Display; Humidity Accuracy: 20 to 80% of ±3% RH; 5 to 20% of ±4% RH; 80 to 95% of ±4% RH; Sensing Element Type: Thin-Film Polymer Capacitor; Temperature Accuracy: 20 to 80% of ±3% RH; Output: 4 to 20mA/1 to 5V DC; Temperature Range: -15 °C to 77 °F.
OMEGA Temperature and Humidity Transmitter: 4 to 20mA/1 to 5V DC, Thin-Film Polymer Capacitor, EWS (MPN EWS-TX). Key specifications — Display Type: No Display; Humidity Accuracy: 20 to 80% of ±3% RH; 5 to 20% of ±4% RH; 80 to 95% of ±4% RH; Sensing Element Type: Thin-Film Polymer Capacitor; Temperature Accuracy: 80 to 95% of ±4% RH; Output: 4 to 20mA/1 to 5V DC; Temperature Range: -15 °C to 77 °F.
OMEGA
OMEGA Temperature and Humidity Transmitter: 4 to 20mA/1 to 5V DC, Thin-Film Polymer Capacitor, EWS (MPN EWS-TX). Key specifications — Display Type: No Display; Humidity Accuracy: 20 to 80% of ±3% RH; 5 to 20% of ±4% RH; 80 to 95% of ±4% RH; Sensing Element Type: Thin-Film Polymer Capacitor; Temperature Accuracy: 80 to 95% of ±4% RH; Output: 4 to 20mA/1 to 5V DC; Temperature Range: -15 °C to 77 °F.
OMEGA Temperature and Humidity Transmitter: 4 to 20mA, Screw Terminals, -22°F to 167°F, HX92B (MPN HX92BC). Key specifications — Display Type: No Display; Humidity Accuracy: ±2.5% from 20 to 80% RH; ±3.5% from 5 to 20% and 80 to 95% RH; ±4% from 0 to 5% and 95 to 100% RH; 0 to 100% RH; Temperature Accuracy: ± 4 %; Output: 4 to 20mA; Temperature Range: -22 °F to 167 °F.
OMEGA
OMEGA Temperature and Humidity Transmitter: 4 to 20mA, Screw Terminals, -22°F to 167°F, HX92B (MPN HX92BC). Key specifications — Display Type: No Display; Humidity Accuracy: ±2.5% from 20 to 80% RH; ±3.5% from 5 to 20% and 80 to 95% RH; ±4% from 0 to 5% and 95 to 100% RH; 0 to 100% RH; Temperature Accuracy: ± 4 %; Output: 4 to 20mA; Temperature Range: -22 °F to 167 °F.
OMEGA Temperature and Humidity Transmitter: 4 to 20mA, Screw Terminals, -22°F to 167°F, HX93B (MPN HX93BC). Key specifications — Display Type: No Display; Humidity Accuracy: ±2.5% from 20 to 80% RH; ±3.5% from 5 to 20% and 80 to 95% RH; ±4% from 0 to 5% and 95 to 100% RH; 0 to 100%; Temperature Accuracy: ±1.25°C; Output: 4 to 20mA; Temperature Range: -22 °F to 167 °F.
OMEGA
OMEGA Temperature and Humidity Transmitter: 4 to 20mA, Screw Terminals, -22°F to 167°F, HX93B (MPN HX93BC). Key specifications — Display Type: No Display; Humidity Accuracy: ±2.5% from 20 to 80% RH; ±3.5% from 5 to 20% and 80 to 95% RH; ±4% from 0 to 5% and 95 to 100% RH; 0 to 100%; Temperature Accuracy: ±1.25°C; Output: 4 to 20mA; Temperature Range: -22 °F to 167 °F.
OMEGA RTD Sensor: -40°C to 85°C, Transmitter, 85°C Process Media Temp Measurement - Max (MPN TX12). Key specifications — Power Required: 4 to 20mA; Brand: OMEGA; Sensing Element Type: Transmitter; Series: TX; Temperature Accuracy: ±0.1°C; Temperature Range: -40 °C to 85 °C.
OMEGA
OMEGA RTD Sensor: -40°C to 85°C, Transmitter, 85°C Process Media Temp Measurement - Max (MPN TX12). Key specifications — Power Required: 4 to 20mA; Brand: OMEGA; Sensing Element Type: Transmitter; Series: TX; Temperature Accuracy: ±0.1°C; Temperature Range: -40 °C to 85 °C.
OMEGA Long-Life & High-Accuracy RTD Probes: 1/2 in NPT, -50°C to 500°C, 100 ohm RTD (MPN M12TX-PT100). Key specifications — Power Required: 4 to 20mA; Brand: OMEGA; Sensing Element Type: 100 ohm RTD; Series: M12TX-PT100; Temperature Accuracy: ±0.2°C or ±0.2%; Temperature Range: -50 °C to 500 °C.
OMEGA
OMEGA Long-Life & High-Accuracy RTD Probes: 1/2 in NPT, -50°C to 500°C, 100 ohm RTD (MPN M12TX-PT100). Key specifications — Power Required: 4 to 20mA; Brand: OMEGA; Sensing Element Type: 100 ohm RTD; Series: M12TX-PT100; Temperature Accuracy: ±0.2°C or ±0.2%; Temperature Range: -50 °C to 500 °C.

More from OMEGA RTD

View all OMEGA RTD parts →