Fluke T3000 FC Wireless Digital Thermometer for Industrial Use, K Probe, 1 Input(s), +1372°C Max, ±0.5 K Accuracy

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Fluke 52 II Wired Digital Thermometer for Industrial Use, E, J, K, N, R, S, T Probe, 2 Input(s), +1767°C Max, ±(0.05 %

Fluke 54 II B Wired Digital Thermometer for Industrial Use, E, J, K, N, R, S, T Probe, 2 Input(s), +1767°C Max, ±0.3 K


A digital thermometer is a scientific instrument used to gauge and measure temperature accurately. These thermometers use a probe to take temperature readings, which are then displayed numerically on an LCD screen. They produce precise results, often to one decimal place, making them a popular choice over liquid-based [glass thermometers](https://au.rs-online.com/web/c/test-measurement/temperature-test-measurement/glass-thermometers/) due to their enhanced accuracy.

## **How Does a Digital Thermometer Work?**

Digital thermometers operate using advanced [sensors](https://au.rs-online.com/web/c/automation-control-gear/sensors/) that detect changes in temperature and convert them into electrical signals. The sensors used in digital thermometers typically fall into one of three categories: RTDs (Resistance Temperature Detectors), Thermistors, and Thermocouples. 

Each sensor type has unique advantages, making digital thermometers versatile tools for various applications, from medical diagnostics to industrial monitoring. Their ability to provide accurate, real-time readings in a user-friendly format makes them indispensable in modern temperature measurement.

- **Resistance Temperature Detectors (RTDs):** [RTDs](https://au.rs-online.com/web/c/automation-control-gear/sensors/rtd-sensors/) measure the resistance of a material, typically platinum, which changes predictably with temperature.
- **Thermistors:** [Thermistors](https://au.rs-online.com/web/c/automation-control-gear/sensors/thermistors/) are temperature-sensitive resistors made from ceramic or polymer materials that exhibit a significant and predictable change in resistance with temperature fluctuations.
- **Thermocouples:** [Thermocouples](https://au.rs-online.com/web/c/automation-control-gear/sensors/thermocouples/) consist of two different metals joined at one end, creating a junction where voltage is generated in response to temperature changes. This voltage is then measured and converted into a temperature reading.

## **Digital Thermometer Types**

Digital thermometers come in various types, each tailored for specific applications. Below are the main types of digital thermometers: 

### **Handheld Thermometers**

Handheld thermometers are portable, battery-operated devices equipped with plugin probes. These thermometers are versatile and suitable for on-the-go temperature measurements. The probes can vary depending on the application, with common types including insertion probes (for liquids and semi-solids), surface probes (for flat surfaces), and air probes (for measuring ambient air temperature). Handheld thermometers are widely used in food safety, HVAC maintenance, and industrial inspections.

### **Bench Thermometers**

Bench thermometers are larger and more industrial compared to handheld units, making them ideal for laboratory and test station use. They typically rely on thermocouple probes, such as type K, J, N, R, and T, to measure a wide range of temperatures with precision. These digital thermometers are commonly used in scientific research, material testing, and quality control processes where accuracy is paramount.

### **Panel and Wall-Mount Thermometers**

Panel and wall-mount thermometers are permanently fixed units designed for continuous monitoring with minimal maintenance. These digital thermometers are often installed in industrial settings or climate-controlled environments, providing a reliable and consistent temperature readout. They are ideal for applications requiring constant monitoring, such as manufacturing processes, storage facilities, and greenhouses.

### **Fridge and Freezer Thermometers**

Fridge and freezer thermometers are designed to monitor and regulate temperatures in industrial and commercial refrigeration units. Maintaining proper temperature levels is critical to preserving goods and ensuring compliance with safety standards. These thermometers provide a visual alert if temperatures deviate from the desired range of these electronics, protecting perishable items from spoilage.

### **Probe Thermometers**

These digital thermometers use a specialised probe to measure the temperature of liquids, semi-solids, or surfaces. These thermometers are commonly used in food preparation, chemical industries, and medical applications. The probe’s design allows for precise insertion or contact, providing quick and accurate readings. Probe thermometers often feature interchangeable probes, enhancing their versatility for different tasks.

## **Trusted Digital Thermometers Manufacturer, Supplier & Distributor in Australia**

RS Australia offers an extensive range of high-quality digital thermometers from renowned brands such as [Fluke](https://au.rs-online.com/web/b/fluke/), [Testo](https://au.rs-online.com/web/b/testo/), [Digitron](https://au.rs-online.com/web/b/digitron/), [Hanna Instruments](https://au.rs-online.com/web/b/hanna-instruments/), [Comark](https://au.rs-online.com/web/b/comark/), and [RS PRO](https://au.rs-online.com/web/content/m/rs-pro). Known for their precision and reliability, these thermometers cater to a variety of applications, including industrial processes, medical use, and food safety. Additionally, our [in-house calibration services](https://au.rs-online.com/web/content/services/maintenance-solutions/rs-calibration)are available to ensure the highest accuracy and performance. Discover digital thermometers at competitive prices today.

## **Buy Digital Thermometer Online from RS**

Shopping for digital thermometers at RS Australia is easy and efficient through our user-friendly online platform. With nationwide delivery options, we ensure your order reaches you promptly and reliably. Whether you need a thermometer for professional or personal use, RS provides trusted solutions backed by excellent customer support. For more details about our delivery services, visit our [Delivery Information page](https://au.rs-online.com/web/content/support/all-articles/delivery) and experience the convenience of doorstep delivery across Australia.



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