The 300 Digital Temperature Probe has a 1.5mm thin tip for fast response. With large digits it is an easy-to-read and easy-to-use thermometer for quick checks when cooking a range of foods.

•Temperature Range: -40°C to 150°C / -40°F to 302°F
•Thin Tip Probe: 1.5mm
•Accurate to ±1°C / ±2°F

There is a hold button on the temperature probe which enables the user to hold the digital reading on the screen while they note a measurement.

The 300 Digital Temperature Probe is also water-resistant.
• Field Calibratable
• Data Hold Function
• 1.5mm Thin Tip Probe
• Water Resistant
• Accurate to ±1°C / ±2°F
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The 300 Digital Temperature Probe is a basic reduced (thin) tip Thermometer with . The 300 is slim and lightweight, which makes it perfect for slipping into shirt, trouser or apron pockets between use. It has a 127mm / 5″ long stem and a 1.5 mm / 0.6″ diameter then tip, making it suitable for probing thinner foods. The 300 Digital Temperature Probe is field calibratable and features °F/°C switchable temperature scales/ranges, a data hold function and a low battery indicator. You can either use the <> button to conserve battery life or let the unit automatically shut off after a short time. This Pocket Digital Thermometer includes a protective case with pocket clip and a battery.

Field Calibration Procedures

1. The 300B is only calibratable in a slush ice solution (60% crushed ice and 40% tap water) or a water bath. Do not attempt to calibrate in any other manner

2. Immerse the stem of the thermometer to at least 1/2 length in the slush ice solution

3. Wait for the reading to become stable (usually ±2° of 32°F or ±1° of 0°C)

4. Press and hold the CAL button for 8 seconds to begin calibration

5. CAL will be displayed for two seconds and calibration at 0°C / 32°F is completed

6. Remove the thermometer from the ice water and continue to take measurements

Note: CAL will be displayed any time the D-H key is pressed for 8 seconds, but the thermometer will not be re-calibrated unless the tip is inserted in ice water


°F/°C Switchable

The 300 Digital Temperature Probe features °F/°C switchable temperature scales/ranges. With the thermometer turned ‘off’, press and hold the <> button. Release when the desired scale is shown.

Note: This is the procedure for any Pocket Digital Thermometer that does not have an °F/°C (Scale) button.