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Dwyer Min/Max Dial Thermometer: -40°F to 160°F to -40°C to 71.1°C, +/- 2% Accuracy - Min/Max-Reading Thread-Mount Dial Thermometers
DwyerMin/Max-Reading Thread-Mount Dial Thermometers

Dwyer Min/Max Dial Thermometer: -40°F to 160°F to -40°C to 71.1°C, +/- 2% Accuracy

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
Min/Max Dial Thermometer: -40°F to 160°F to -40°C to 71.1°C, +/- 2% Accuracy
Category
Min/Max-Reading Thread-Mount Dial Thermometers
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Technical Specifications

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

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