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Dwyer BTLS340121 Side- & Bottom-Mount Fixed-Angle Thread-Mount Dial Thermometer - Side- & Bottom-Mount Fixed-Angle Thread-Mount Dial Thermometers
DwyerSide- & Bottom-Mount Fixed-Angle Thread-Mount Dial Thermometers

Dwyer BTLS340121 Side- & Bottom-Mount Fixed-Angle Thread-Mount Dial Thermometer

The DWYER Dial Thermometer (MPN BTLS340121) is a side- and bottom-mount fixed-angle thread-mount dial thermometer with a 3 in dial diameter and a 4 in stem length. It offers a temperature range of 50°F to 400°F with…

SKU 3G-OTH-177596

Also listed as: BTLS 340121 · BTLS-340121

Brand
Dwyer
Item
BTLS340121 Side- & Bottom-Mount Fixed-Angle Thread-Mount Dial Thermometer
Category
Side- & Bottom-Mount Fixed-Angle Thread-Mount Dial Thermometers
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dwyer
Manufacturer Part Number
BTLS340121
Type
±2%Full Scale Accuracy
Stem Lg
4 in
Accuracy
±2 % Full Scale
Dial Dia
3 in

Technical Documents

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

Product Description

The DWYER Dial Thermometer (MPN BTLS340121) is a side- and bottom-mount fixed-angle thread-mount dial thermometer with a 3 in dial diameter and a 4 in stem length. It offers a temperature range of 50°F to 400°F with an accuracy of ±2% Full Scale.

Frequently Asked Questions

What is the Dwyer dial thermometer used for?

The Dwyer dial thermometer (BTLS340121) is used for temperature measurement in industrial HVAC, process piping, and storage tanks. Its 4 in stem and 3 in dial provide clear local readings from 50°F to 400°F, suitable for monitoring air, gas, or liquid systems.

What are the specifications of the Dwyer BTLS340121 thermometer?

The Dwyer BTLS340121 is a side- and bottom-mount fixed-angle thread-mount dial thermometer with a 3 in dial diameter, 4 in stem length, and a range of 50°F to 400°F. Accuracy is ±2% Full Scale. It is a direct-read instrument for industrial temperature monitoring.

Where to buy Dwyer dial thermometers worldwide?

3G Electric supplies the Dwyer BTLS340121 dial thermometer to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this and other Dwyer instrumentation products.

How to install a Dwyer thread-mount dial thermometer?

Install the Dwyer BTLS340121 by threading it into a standard 1/2" NPT or compatible process connection. Ensure the stem is fully immersed in the medium for accurate readings. Avoid overtightening to prevent damage. For fixed-angle models, orient the dial for best visibility before final tightening.

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 side- & bottom-mount fixed-angle 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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