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Dwyer Min/Max Dial Thermometer: 0°F to 140°F to -17.8°C to 60°C, +/- 2% Accuracy - Min/Max-Reading Thread-Mount Dial Thermometers
DwyerMin/Max-Reading Thread-Mount Dial Thermometers

Dwyer Min/Max Dial Thermometer: 0°F to 140°F to -17.8°C to 60°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 measures temperatures from 0°F to 140°F (-17.8°C to 60°C) with an accuracy of +/- 2%. This model…

SKU 3G-OTH-178882

Brand
Dwyer
Item
Min/Max Dial Thermometer: 0°F to 140°F to -17.8°C to 60°C, +/- 2% Accuracy
Category
Min/Max-Reading Thread-Mount Dial Thermometers
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Technical Specifications

Dwyer
Manufacturer Part Number
BTM31211D
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 measures temperatures from 0°F to 140°F (-17.8°C to 60°C) with an accuracy of +/- 2%. This model, MPN BTM31211D, is designed for recording minimum and maximum temperature readings.

Frequently Asked Questions

What is the Dwyer Min/Max Dial Thermometer used for?

The Dwyer Min/Max Dial Thermometer records minimum and maximum temperature readings in HVAC, refrigeration, and process applications. Its 3-inch dial and ±2% accuracy make it suitable for monitoring temperature ranges from 0°F to 140°F (-17.8°C to 60°C) in ducts, tanks, or pipelines.

What are the specifications of the Dwyer BTM31211D thermometer?

The Dwyer BTM31211D is a min/max-reading thread-mount dial thermometer with a 3-inch dial diameter. It measures from 0°F to 140°F (-17.8°C to 60°C) with ±2% accuracy. The brand is Dwyer, and the part number is BTM31211D.

Where to buy the Dwyer BTM31211D thermometer worldwide?

3G Electric supplies the Dwyer BTM31211D min/max dial thermometer to customers worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this model.

How to install a Dwyer thread-mount dial thermometer?

Install the Dwyer thread-mount dial thermometer by screwing it into a compatible threaded fitting (typically 1/2" NPT). Ensure the sensing bulb is fully immersed in the medium. Avoid overtightening. For accurate min/max readings, reset the indicators after installation per the manual.

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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