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

Dwyer BTM3904D Min/Max-Reading Thread-Mount Dial Thermometer - Min/Max-Reading Thread-Mount Dial Thermometers
DwyerMin/Max-Reading Thread-Mount Dial Thermometers

Dwyer BTM3904D Min/Max-Reading Thread-Mount Dial Thermometer

The DWYER Min/Max Dial Thermometer is a min/max-reading thread-mount dial thermometer with a 3-inch dial diameter. It offers a temperature range of -40°F to 160°F (-40°C to 71.1°C) and an accuracy of +/- 2%. This…

SKU 3G-OTH-178875

Brand
Dwyer
Item
BTM3904D Min/Max-Reading Thread-Mount Dial Thermometer
Category
Min/Max-Reading Thread-Mount Dial Thermometers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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

Dwyer
Manufacturer Part Number
BTM3904D
Type
+/- 2% Accuracy
Accuracy
+/- 2%
Dial Dia
3 in

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 Min/Max Dial Thermometer is a min/max-reading thread-mount dial thermometer with a 3-inch dial diameter. It offers a temperature range of -40°F to 160°F (-40°C to 71.1°C) and an accuracy of +/- 2%. This model, MPN BTM3904D, provides min/max temperature readings for monitoring applications.

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 DWYER Min/Max Dial Thermometer used for?

The DWYER Min/Max Dial Thermometer is used for monitoring and recording the minimum and maximum temperatures in HVAC, refrigeration, and industrial process applications. Its thread-mount design allows direct installation into pipes or tanks, providing reliable temperature readings within a range of -40°F to 160°F (-40°C to 71.1°C).

What are the specifications of the DWYER BTM3904D thermometer?

The DWYER BTM3904D is a min/max-reading thread-mount dial thermometer with a 3-inch dial diameter. It has an accuracy of +/- 2% and covers a temperature range of -40°F to 160°F (-40°C to 71.1°C). The brand is DWYER, and the model is part of the BTM series designed for direct pipe or tank mounting.

Where to buy the DWYER BTM3904D thermometer worldwide?

You can source the DWYER BTM3904D Min/Max Dial Thermometer 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; we provide competitive pricing and reliable sourcing for this Dwyer instrument.

How to install a DWYER thread-mount dial thermometer?

To install a DWYER thread-mount dial thermometer, first ensure the mounting thread matches your pipe or tank fitting. Apply thread sealant to the thermometer's stem, then hand-tighten into the port. Avoid over-tightening to prevent damage. For accurate min/max readings, position the dial for easy viewing and reset the pointers after each reading cycle.

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 min/max-reading thread-mount dial thermometers. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Suitable for monitoring temperature extremes in HVAC, refrigeration, and industrial process applications where direct pipe or tank installation is required
Dwyer
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Suitable for monitoring temperature extremes in HVAC, refrigeration, and industrial process applications where direct pipe or tank installation is required
Thread-mount dial thermometer with min/max recording function. Measures temperature from 0°F to 140°F and -17.8°C to 60°C with +/- 2% accuracy. 3-inch dial diameter. Suitable for monitoring temperature extremes in pipes or tanks
Dwyer
Thread-mount dial thermometer with min/max recording function. Measures temperature from 0°F to 140°F and -17.8°C to 60°C with +/- 2% accuracy. 3-inch dial diameter. Suitable for monitoring temperature extremes in pipes or tanks
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter. Accuracy +/- 2%. Suitable for monitoring temperature extremes in pipes or tanks in HVAC, refrigeration, and industrial process systems
Dwyer
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter. Accuracy +/- 2%. Suitable for monitoring temperature extremes in pipes or tanks in HVAC, refrigeration, and industrial process systems
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter. Accuracy +/- 2%. Suitable for monitoring temperature extremes in pipes or tanks in HVAC, refrigeration, and industrial process applications
Dwyer
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter. Accuracy +/- 2%. Suitable for monitoring temperature extremes in pipes or tanks in HVAC, refrigeration, and industrial process applications
Thread-mount dial thermometer with min/max recording function. Dial diameter 3 in, accuracy +/- 2%. Dual scale range 0°F to 200°F and -17.8°C to 93.3°C. Used for monitoring temperature in pipes or tanks in HVAC, refrigeration, and industrial process systems
Dwyer
Thread-mount dial thermometer with min/max recording function. Dial diameter 3 in, accuracy +/- 2%. Dual scale range 0°F to 200°F and -17.8°C to 93.3°C. Used for monitoring temperature in pipes or tanks in HVAC, refrigeration, and industrial process systems
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Dual scale: 50 to 300 °F and 10 to 148.9 °C. Suitable for direct installation into pipes or tanks for monitoring temperature extremes in HVAC, refrigeration, and industrial process systems
Dwyer
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Dual scale: 50 to 300 °F and 10 to 148.9 °C. Suitable for direct installation into pipes or tanks for monitoring temperature extremes in HVAC, refrigeration, and industrial process systems

More from Dwyer

View all Dwyer parts
This Dwyer min/max-reading thread-mount dial thermometer records minimum and maximum temperature readings. It features a 3-inch dial diameter and +/- 2% accuracy. Suitable for monitoring temperature in HVAC, refrigeration, and process applications such as ducts, tanks, or pipelines
Dwyer
This Dwyer min/max-reading thread-mount dial thermometer records minimum and maximum temperature readings. It features a 3-inch dial diameter and +/- 2% accuracy. Suitable for monitoring temperature in HVAC, refrigeration, and process applications such as ducts, tanks, or pipelines
This thread-mount dial thermometer records minimum and maximum temperatures for monitoring temperature extremes in HVAC, refrigeration, and process piping systems. It features a 3-inch dial diameter and +/-2% accuracy. The dual-scale display shows both Fahrenheit and Celsius readings
Dwyer
This thread-mount dial thermometer records minimum and maximum temperatures for monitoring temperature extremes in HVAC, refrigeration, and process piping systems. It features a 3-inch dial diameter and +/-2% accuracy. The dual-scale display shows both Fahrenheit and Celsius readings
Thread-mount dial thermometer with min/max indication. 3-inch dial diameter, accuracy +/- 2%. Suitable for monitoring temperature extremes in HVAC, refrigeration, and industrial process applications where threaded installation is required
Dwyer
Thread-mount dial thermometer with min/max indication. 3-inch dial diameter, accuracy +/- 2%. Suitable for monitoring temperature extremes in HVAC, refrigeration, and industrial process applications where threaded installation is required
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Suitable for permanent installation in tanks, ducts, or pipelines for continuous temperature monitoring in HVAC, refrigeration, and process systems
Dwyer
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Suitable for permanent installation in tanks, ducts, or pipelines for continuous temperature monitoring in HVAC, refrigeration, and process systems
Thread-mount dial thermometer with min/max recording function. Measures temperature from 0°F to 200°F and -17.8°C to 93.3°C with ±2% accuracy. Features a 3-inch dial diameter. Suitable for permanent installation in tanks or pipelines to monitor temperature extremes
Dwyer
Thread-mount dial thermometer with min/max recording function. Measures temperature from 0°F to 200°F and -17.8°C to 93.3°C with ±2% accuracy. Features a 3-inch dial diameter. Suitable for permanent installation in tanks or pipelines to monitor temperature extremes
This thread-mount dial thermometer records minimum and maximum temperatures, displaying both current and stored readings on a 3-inch dial. With ±2% accuracy, it is suited for monitoring temperature extremes in HVAC, refrigeration, and process piping systems
Dwyer
This thread-mount dial thermometer records minimum and maximum temperatures, displaying both current and stored readings on a 3-inch dial. With ±2% accuracy, it is suited for monitoring temperature extremes in HVAC, refrigeration, and process piping systems
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Suitable for permanent installation in piping, tanks, or ducts for monitoring temperature extremes in HVAC, refrigeration, and process systems
Dwyer
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Suitable for permanent installation in piping, tanks, or ducts for monitoring temperature extremes in HVAC, refrigeration, and process systems
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Suitable for monitoring temperature extremes in HVAC, refrigeration, and process piping systems
Dwyer
Thread-mount dial thermometer with min/max recording function. 3-inch dial diameter, accuracy +/- 2%. Suitable for monitoring temperature extremes in HVAC, refrigeration, and process piping systems