TM100 - Thermometer Extech - Free user manual and instructions
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| Product Type | Digital Pocket Thermometer |
| Brand | Extech |
| Model | TM100 |
| Category | Thermometer |
| Measurement Range | -40°C to 250°C (-40°F to 482°F) |
| Accuracy | ±1°C from 0 to 100°C; ±2°C outside this range |
| Resolution | 0.1°C / 0.1°F |
| Display | 3-1/2 digit LCD with 10 mm digit height |
| Probe Type | Stainless steel immersion probe with 3-meter cable |
| Probe Length | 100 mm (4 in) |
| Response Time | Less than 1 second |
| Dimensions | 150 × 25 × 15 mm (5.9 × 1.0 × 0.6 in) |
| Weight | 35 g (1.2 oz) including battery |
| Power Supply | 1 × 1.5 V LR44 button cell |
| Battery Life | Approximately 200 hours of continuous use |
| Functions | ON/OFF, °C/°F switching, data hold, auto power off |
| Auto Power Off | After 10 minutes of inactivity |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -20°C to 60°C (-4°F to 140°F) |
| Maintenance and Cleaning | Wipe the case with a soft, dry cloth; clean the probe with alcohol |
| Safety | Do not expose the thermometer to flames or live electrical circuits |
| Spare Parts and Repairability | Replacement probe and battery available; contact an Extech service center |
| General Information | Designed for food, lab and HVAC applications |
Frequently Asked Questions - TM100 Extech
How do I switch the TM100 thermometer between Celsius and Fahrenheit?
Press and hold the °C/°F button on the front panel for 2 seconds. The display will update to show the selected unit. If your unit does not have a dedicated button, check the manual for the model-specific key combination.
How do I replace the battery in the Extech TM100?
Remove the small screw on the battery cover, slide the cover off, and replace the old LR44 button cell with a new one. Observe the correct polarity (+/-) indicated on the battery holder, then close the cover.
Can the TM100 be used to measure the temperature of liquids?
Yes, the stainless steel probe is designed for insertion into liquids, semi-solids, and air. Do not submerge the meter housing or the probe cable beyond the designed immersion limit.
How should I clean and maintain the Extech TM100 thermometer?
Wipe the exterior with a soft, dry cloth. For the probe, use a cloth slightly dampened with isopropyl alcohol to remove residues. Never immerse the entire meter in water and do not use abrasive cleaners.
What is the response time of the TM100 thermometer?
The thermal response typically takes less than 1 second in a well-stirred liquid. In air, allow a few extra seconds for the reading to stabilize.
Why does my TM100 automatically turn off after a few minutes?
The auto power off feature activates after 10 minutes of inactivity to conserve battery. Simply press the ON/OFF button to restart it. To disable this feature, consult the manual for the specific key sequence.
Is the stainless steel probe of the TM100 waterproof?
The probe itself is moisture-resistant and can be inserted into liquids, but the display housing and the probe connection are not fully waterproof. Do not submerge the meter body or let moisture enter the battery compartment.
What type of battery does the Extech TM100 use?
The thermometer uses a single 1.5 V LR44 alkaline button cell. Some batteries can be replaced with an equivalent SR44 silver-oxide cell, which offers a longer service life.
Can I replace the probe on the TM100 thermometer?
Yes, the probe is detachable and can be replaced with an identical Extech probe. Contact the manufacturer or an authorized distributor for the correct replacement part number.
What is the measurement accuracy of the Extech TM100?
The TM100 offers an accuracy of ±1°C in the range of 0 to 100°C and ±2°C outside that range. Accuracy is specified for a stable environment and with a validated probe.
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USER MANUAL TM100 Extech
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Product information
Brand : Extech
Model : TM100
Category : Thermometer