- Details
- Category: Thermometers

The Extech 39240 is a waterproof stem thermometer. This stem thermometer is pocket-sized and has a digital display with 0.1° resolution and min/max recording. It monitors temperature in frozen solids and liquids with a 2.75-in. (70 mm) stainless steel stem. Temperature observations ranged from -40 to 392°F (-40 to 200°C). MAX/MIN recall of high and low temperatures, as well as Data Hold and Auto Power Off functions. Comes with one LR44 button battery and a protective cover.
Stem | 2.75" (70mm) stainless steel |
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Temperature (Contact) | -40 to 392°F (-40 to 200°C) |
Temperature (Contact) Basic Accuracy | ±1°C / ±2°F |
Temperature (Contact) Max Resolution | 0.1°F/°C |
Certifications | CE |
Dimensions | 5.9 × 0.8 × 0.7" (150 × 20 × 18mm) |
Display | Digital Segment LCD |
Power | 1 × LR44 (1.5V) button cell battery |
Warranty | 2 years |
Weight | 0.7oz (20g) |
- Details
- Category: Thermometers

The FLIR TG56-2 provides safer temperature readings in situations when high temperatures are required. With a distance-to-spot ratio of 30:1, the TG56-2 can measure smaller targets at a safer distance. Pinpoint precision is powered by infrared technology, Class II laser seeing, and a maximum IR temperature of 1300°C (2372°F). The color display panel allows you to view current and selected reference temperature readings concurrently. The thermometer incorporates a Type K thermocouple for reading contact temperatures..
Distance to Spot Ratio (D:S) | 30:1 |
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Basic Accuracy | 0°C to 100°C (32°F to 212°F): ±1.0°C (±1.8°F) |
Emissivity | 0.01 to 1.00 with 5 presets |
Display | 1.57” Color EBTN |
IR Range | -30°C to 1300°C (-22°F to 2372°F) |
Laser Orientation | Single point laser to upper edge of measurement |
Laser Power | ≤1mW, Class II |
Spectral Response | 8 µm to 14 µm |
AVG | Last 20 readings |
Basic Accuracy | 0°C to 100°C (32°F to 212°F): ±1.0°C (±1.8°F) |
Differential (MAX/MIN) | Yes |
Distance to Spot Ratio (D:S) | 30:1 |
Included Type K Thermocouple Probe Range | -30°C to 260°C (-22°F to 500°F) |
Input Basic Accuracy | ±1°C (±1.8°F) or 1% (whichever is greater) |
Input Range | -30°C to 650°C (-22°F to 1202°F) |
Input Type | K |
Max/Min | Min/Max/Avg/Dif |
Measurement Resolution | 0.1°C / 0.1°F |
Response | 250 Milliseconds |
Memory | 2 × 99 sets data storage |
Display | 1.57” Color EBTN |
Auto Power Off | 5 or 15 seconds (selectable) |
Continuous Run Time | 8 hours maximum continuous temperature measurements |
Power Source | 9V alkaline battery (included) |
Alarm | High/low alarms with programmable set points |
Alarm Alert | HI or LO will flash on the display |
Compatibility | Pipe Clamp Probe |
Data Logging | Manual and automatic data logger |
Dimensions (L x W x H) | 192 mm × 125 mm × 64 mm (7.5 in × 4.9 in × 2.5 in) |
Includes | Spot IR Thermometer, 9V battery, Quick Start Guide, and Storage Pouch |
Locking System | Yes |
Scanning Mode | Yes |
Weight | 310 g (10.9 oz) |
Worklights | Yes |
Certifications | CE, UKCA, RCM, WEEE and FDA |
Drop test | 1 m (3.2 ft) |
Emissivity | 0.01 to 1.00 with 5 presets |
IP Rating | IP20 |
Warranty | Limited 3-Year Warranty |
- Details
- Category: Thermometers

The FLIR TG54-2 provides non-contact temperature readings, allowing you to take measurements quickly and easily while maintaining safety. With a distance-to-spot ratio of 20:1, the TG54-2 can measure smaller targets at a safer distance. Infrared technology, Class II laser sighting, and a maximum IR temperature of 850°C (1562°F) deliver pinpoint precision. The thermometer is IP65 rated and can withstand a 3 m (9.8 ft) drop, ensuring dependable operation in demanding situations.
Distance to Spot Ratio (D:S) | 20:1 |
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Basic Accuracy | 0°C to 100°C (32°F to 212°F): ±1.0°C (±1.8°F) |
Emissivity | 0.01 to 1.00 with 5 presets |
Display | 1.57” Color EBTN |
IR Range | -30°C to 850°C (-22°F to 1562°F) |
Laser Orientation | Single point laser to upper edge of measurement |
Laser Power | ≤1mW, Class II |
Resolution | 0.1°C / 0.1°F |
Spectral Response | 8 µm to 14 µm |
AVG | Last 20 readings |
Basic Accuracy | 0°C to 100°C (32°F to 212°F): ±1.0°C (±1.8°F) |
Differential (MAX/MIN) | Yes |
Distance to Spot Ratio (D:S) | 20:1 |
Max/Min | Min/Max/Avg/Dif |
Measurement Resolution | 0.1°C / 0.1°F |
Response | 250 Milliseconds |
Memory | 2 × 99 sets data storage |
Display | 1.57” Color EBTN |
Auto Power Off | 5 or 15 seconds (selectable) |
Continuous Run Time | 8 hours maximum continuous temperature measurements |
Power Source | 9V alkaline battery (included) |
Alarm | High and low alarms with programmable set points |
Alarm Alert | HI or LO will flash on the display |
Data Logging | Manual and automatic data logger |
Dimensions (L x W x H) | 192 mm × 94 mm × 64 mm (7.5 in × 3.7 in × 2.5 in) |
Includes | Spot IR Thermometer, 9V battery, Quick Start Guide and Storage Pouch |
Locking System | Yes |
Scanning Mode | Yes |
Weight | 292 g (10.3 oz) |
Worklights | Yes |
Certifications | CE, UKCA, RCM, WEEE and FDA |
Drop test | 3 m (9.8 ft) |
Emissivity | 0.01 to 1.00 with 5 presets |
IP Rating | IP65 |
Warranty | Limited 3-Year Warranty |