Extech 39240 Waterproof Stem Thermometer

Product Overview

The Extech 39240 is a compact, waterproof digital stem thermometer designed for quick and accurate temperature measurements in liquids, semi-solids, and ambient environments. With a stainless-steel probe, wide temperature range, and robust construction, it is ideal for food safety, HVAC, laboratory testing, industrial maintenance, and field diagnostics.

Key Features

• Wide temperature measurement range from –40°C to +200°C
• IP65 waterproof design for reliable use in wet or hygienic environments
• Stainless steel stem (70 mm) for fast response and accurate contact measurements
• Large digital display with 0.1° resolution
• MAX/MIN memory to track highest and lowest temperature readings
• Data Hold function to freeze the current reading
• Auto power-off to extend battery life
• Compact, lightweight, and easy to carry
• Comes with protective probe cap and battery

Technical Specifications

Brand: Extech
Model: 39240
Type: Waterproof Digital Stem Thermometer

Temperature Range: –40°C to +200°C (–40°F to 392°F)
Resolution: 0.1°C / 0.1°F
Accuracy: ±1°C (typical)
Probe Length: 70 mm (stainless steel stem)
Display: Digital LCD
Functions:

• MAX/MIN memory
• Data Hold
• Auto power-off

Power Supply: 1 × LR44 battery
Dimensions: Approx. 150 × 20 × 18 mm
Weight: Approx. 20 g
Protection Rating: Waterproof housing

Applications

• Food and beverage temperature checks
• HVAC inspections and air/water temperature measurements
• Laboratory, research, and quality control
• Industrial maintenance and process checks
• Cold storage, refrigeration, and frozen goods testing

Why Buy from FieldInstruments.lk?

• 100% genuine Extech measuring instruments
• Fast and reliable delivery across Sri Lanka
• Competitive pricing with strong after-sales support
• Trusted partner for professional test and measurement tools

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