TP255A - Thermometer Amprobe - Free user manual and instructions
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| Product Type | Digital Thermometer |
| Brand | Amprobe |
| Model | TP255A |
| Category | Thermometer |
| Measurement Range | -50°C to 300°C (-58°F to 572°F) |
| Accuracy | ±1°C (±1.8°F) (0°C to 100°C), ±2°C (±3.6°F) elsewhere |
| Resolution | 0.1°C/°F |
| Display | LCD, 4-digit |
| Probe Type | K-type thermocouple (bead wire) |
| Functions | Hold, Max/Min, Auto Power Off |
| Temperature Units | °C/°F selectable |
| Power Supply | 1 × 9V battery (6LR61) |
| Dimensions | 160 mm × 60 mm × 30 mm (6.3 in × 2.4 in × 1.2 in) |
| Weight | 160 g (5.6 oz) including battery |
| Operating Environment | 0°C to 40°C (32°F to 104°F), <80% RH |
| Storage Environment | -10°C to 60°C (14°F to 140°F), <70% RH |
| Auto Power Off | After approximately 30 minutes of inactivity |
| Cleaning | Wipe with a soft dry cloth; do not use solvents |
| Safety Rating | RoHS, CE compliant |
| Repairability | Battery compartment accessible; probe replaceable (K-type plug) |
Frequently Asked Questions - TP255A Amprobe
How do I change the temperature unit from °C to °F?
Press and hold the HOLD button for 2 seconds while turning on the thermometer. The display will show the current unit. Press HOLD to toggle between °C and °F, then wait for auto-confirm.
What battery does the TP255A use and how do I replace it?
The TP255A uses a standard 9V battery (6LR61). To replace, slide off the battery compartment cover on the back, disconnect the old battery, connect the new one, and replace the cover.
How accurate is the TP255A thermometer?
Accuracy is ±1°C (±1.8°F) in the range 0°C to 100°C, and ±2°C (±3.6°F) outside that range, under specified operating conditions.
What type of probe does the TP255A use?
It uses a K-type thermocouple with a standard mini plug. The included probe is a bead wire probe suitable for general purpose measurement.
Can I use other K-type probes with this thermometer?
Yes, any standard K-type thermocouple with a mini plug can be used. Ensure the probe is compatible with the measurement range.
How do I use the HOLD and MAX/MIN functions?
Press HOLD to freeze the current reading. Press MAX/MIN to cycle through maximum, minimum, and current readings. Press and hold MAX/MIN for 2 seconds to reset.
Does the TP255A have auto power off?
Yes, it automatically turns off after 30 minutes of inactivity to save battery. To disable this feature, press and hold the MAX/MIN button while turning on the thermometer.
How should I clean and store the thermometer?
Clean the exterior with a soft dry cloth. Do not use water or solvents. Store in a dry place at room temperature, avoiding extreme temperatures and humidity.
What is the measurement range of the TP255A?
The thermometer measures from -50°C to 300°C (-58°F to 572°F). Exposing probes beyond this range may damage the sensor.
How do I know if the battery is low?
A low battery icon (flashing battery symbol) appears on the LCD when the voltage drops below approximately 6.5V. Replace the battery promptly.
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USER MANUAL TP255A Amprobe
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Product information
Brand : Amprobe
Model : TP255A
Category : Thermometer