We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Dwyer Humidity/Temp Transducer: 4 to 20mA DC, Type II Thermistor (10K @ 25°C) - Duct-Mount Temperature & Humidity Transmitters

DwyerDuct-Mount Temperature & Humidity Transmitters

Dwyer Humidity/Temp Transducer: 4 to 20mA DC, Type II Thermistor (10K @ 25°C)

The Dwyer RHP-3D1B is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output. It features a Type II Thermistor (10K @ 25°C) sensing element, humidity accuracy of 3%, and temperature accuracy of…

SKU 3G-OTH-180775

Brand

Dwyer

Item

Humidity/Temp Transducer: 4 to 20mA DC, Type II Thermistor

Category

Duct-Mount Temperature & Humidity 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.

Create free account →Log in

Worldwide Shipping

Air & sea freight

Datasheet on Request

Technical specs

1-Day Quote

Replies within 24h

Technical Specifications

Dwyer

Manufacturer Part Number

RHP-3D1B 

Type

Type II Thermistor (10K @ 25°C), Screw Terminals, RHP 

Output

4 to 20mA DC 

Power Source

10 to 35V DC 

Humidity Accuracy

3%

Temperature Range

-4 °F to 140 °F 

Sensing Element Type

Type II Thermistor (10K @ 25°C) 

Temperature Accuracy

±0.36°F @ 77°F 

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

Dwyer Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Dwyer RHP-3D1B is a duct-mount temperature and humidity transmitter with a 4 to 20mA DC output. It features a Type II Thermistor (10K @ 25°C) sensing element, humidity accuracy of 3%, and temperature accuracy of ±0.36°F @ 77°F. The device operates on a 10 to 35V DC power source and measures temperatures from -4 °F to 140 °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.

Used in

Common applications for Dwyer

Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks

Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges

HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points

Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units

BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer duct-mount temperature & humidity transmitters. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all Dwyer products →Contact our engineers →

You might also need

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

Similar products

Matched by specification & description

DWYER Humidity/Temp Transducer: 4 to 20mA DC, Type III Thermistor (10K @ 25°C), Screw Terminals, RHP (MPN RHPX-3SDAA-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: Type III Thermistor (10K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20mA DC; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 0 to 10V DC, Type III Thermistor (10K @ 25°C), Screw Terminals, RHP (MPN RHP-3D2A). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: Type III Thermistor (10K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 4 to 20mA DC, 0 to 5V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHPX-3SDA0-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: 0 to 5V DC Solid State Band Gap; Temperature Accuracy: ±0.9°F at 77°F; Output: 4 to 20mA DC; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 4 to 20mA DC, Pt1000 RTD, Screw Terminals, 1/2 in NPS, 9 in Probe Lg (MPN RHPX-3SDAE-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: Pt1000 RTD; Temperature Accuracy: ±0.54°F @ 32°F; Output: 4 to 20mA DC; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 4 to 20mA DC, Type II Thermistor (10K @ 25°C), Screw Terminals, RHP (MPN RHP-2D1B). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Type II Thermistor (10K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20mA DC; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 4 to 20mA DC, Type III Thermistor (10K @ 25°C), Screw Terminals, RHP (MPN RHPX-2SDAA-00). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Type III Thermistor (10K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20mA DC; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.

More from Dwyer

View all Dwyer parts →

DWYER Temp/Humidity Transmitter: 4 to 20 mA, 158°F Op Temp - Max, 32°F Op Temp - Min, RHCN-7000 (MPN 124317-94). Key specifications — Brand: DWYER; Output: 4 to 20 mA; Power Source: 110V AC.

DWYER Humidity/Temp Transducer: 4 to 20mA DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-3SDA0-00). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20mA DC; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 0 to 10V DC, Type III Thermistor (10K @ 25°C), Screw Terminals, RHP (MPN RHPX-2SDAA-00). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Type III Thermistor (10K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 4 to 20mA DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-3SDAF-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 4 to 20mA DC; Power Source: 10 to 35V DC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 0 to 10V DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-3SDAF-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 0 to 10V DC, 0 to 5V DC Solid State Band Gap, Screw Terminals, RHP (MPN RHPX-3SDA0-00). Key specifications — Brand: DWYER; Humidity Accuracy: 3%; Sensing Element Type: 0 to 5V DC Solid State Band Gap; Temperature Accuracy: ±0.9°F at 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 0 to 10V DC, Thermistor (20K @ 25°C), Screw Terminals, 1/2 in NPS (MPN RHPX-2SDAF-00). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Thermistor (20K @ 25°C); Temperature Accuracy: ±0.36°F @ 77°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.

DWYER Humidity/Temp Transducer: 0 to 10V DC, Pt100 RTD, Screw Terminals, 1/2 in NPS, 9 in Probe Lg (MPN RHP-2D2D). Key specifications — Brand: DWYER; Humidity Accuracy: 2%; Sensing Element Type: Pt100 RTD; Temperature Accuracy: ±0.54°F @ 32°F; Output: 0 to 10V DC; Power Source: 15 to 35V DC; 15 to 29V AC; Temperature Range: -4 °F to 140 °F.