This handheld meter uses a K-type sensor for exact digital temperature readings. It's a useful tool for jobs that need monitoring across a large temperature range, from -50°C to 1300°C. The probe that comes with it is the main sensor. It connects directly to the meter. Features and Benefits
- External temperature sensor - The probe's design lets you measure spots that are hard to reach or too hot to get close to.
- Large LCD screen - The 3.5-digit display shows a clear reading of the sensor's findings.
- High-temperature ability - Measures up to 1300°C (2372°F), covering most industrial heating uses.
- Battery-powered portability - Take it wherever you need a dependable temperature sensor, from the workshop to the factory. Applications
- Electronics Design - Checks the operating temperatures of CPUs, power supplies, and other parts.
- Laboratory Work - Helps track temperatures in chemical reactions and material science tests.
- HVAC Maintenance - A go-to tool for finding problems with furnaces, air conditioners, and ductwork.
How It Works
This K-Type Thermocouple temperature sensor operates by measuring temperature across its specified range of -50°C to 1300°C. It functions as a digital thermometer, providing readings on its LCD display. K-Type thermocouples generate a voltage proportional to the temperature difference between their two dissimilar metal wires. This voltage is then converted into a temperature reading shown on the device. It is a standalone sensor designed for direct temperature measurement rather than integration into a larger system.
What It Controls
A temperature sensor of this type is primarily used for monitoring and displaying temperature. It does not actively control other systems or components. While other control sensors, such as a flow sensor or a MAF sensor, might regulate processes, this digital thermometer is a measurement tool. It provides data that a user can then use to make adjustments or decisions, but it does not act as a controller itself. This product is a measurement device, not a control unit.
Signs of a Failing Sensor
If a temperature sensor is failing, its readings may become inconsistent, inaccurate, or stop displaying altogether. For a digital thermometer with an LCD, this could manifest as blank readings, erratic numbers, or readings that do not match known temperatures. As this product is a K-Type Thermocouple, a common sign of failure in the sensor itself can be a broken wire or corrosion at the probe tip, leading to an open circuit and no reading. If the display unit is failing, it may show garbled data or power issues.
Location
This K-Type Thermocouple temperature sensor is designed to be placed directly into the environment where temperature measurement is required. Its specific location will depend on the application, whether it's an oven, a liquid, or an air stream. Unlike an intake air temperature (IAT) sensor, which is typically found within the engine's intake manifold to measure air density, this is a general-purpose digital thermometer. It is a handheld or probe-mounted device, not a fixed component within a larger system.
Common Symptoms of a Bad IAT Sensor
This product is a general-purpose K-Type Thermocouple, not an Intake Air Temperature (IAT) sensor. Therefore, symptoms related to a bad IAT sensor, such as poor fuel economy, rough idling, or a check engine light, do not apply to this device. An IAT sensor, which measures the temperature of air entering an engine, sends signals to the engine control unit to optimise fuel mixture. This digital thermometer, conversely, provides a direct temperature reading for manual observation and does not interact with vehicle engine management systems.
Display Type: LCD. Model: TM-902C. Product Type: Digital Thermom. Temperature Range: -50°C to 1300°C. Temperature Sensor Type: K-Type Thermocouple. Cable Length: 1m. Power Consumption: Approx. 2.5mA. Temperature Range: -50℃ to 1300℃. Operating Humidity: 0 to 80% RH (non-condensing). Accuracy: ±0.75% or ±2.5°C (whichever is greater). Display Type: Digital LCD. Input Type: Single K-type thermocouple input. Model: TM-902C. Resolution: 0.1°C / 0.1°F. Sampling Rate: 2.5 times per second. Sensor Type: K Type Thermocouple. Theory of Operation: Thermocouple. Q: What are the physical dimensions of the meter? A: The main body of the thermometer measures 10.2 cm long, 7.5 cm wide, and 2.5 cm thick. It's a compact size that fits well in a toolbox or in your hand during use.. Q: What is the outer case made from? A: The housing is made of a black ABS plastic. It's lightweight but provides good protection for the internal components during normal use in a workshop or industrial setting.. Q: How does this type of temperature sensor actually work? A: This device uses a K-type thermocouple, which is a sensor made from two different metal wires joined at one end. A small, predictable voltage is created when the temperature changes, and the meter interprets that voltage to display a temperature reading.. Q: What's the process if I need to make a warranty claim? A: If you run into an issue within the one-year warranty period, simply get in touch with our customer service with your order number. We will help you troubleshoot the problem and arrange for a repair or replacement if needed.. Q: Does this have an auto-shutoff feature to save battery? A: This particular model does not have an automatic power-off function. It has a manual on/off switch, so you'll need to remember to turn it off when you're finished to preserve the battery..