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The HH81A and HH82A handhelds are an economically priced digital thermometers. These units are portable and easy to use. They are fully programmable input models for K, E, J, and T type thermocouples. The standard features include min/max reading, reading hold, both are °C to °F switchable and can store up to 10 readings by the press of a button.

Specifications

• Measuring range (only the main unit) Thermocouple type:  Type K: -200°C to 1372°C (-328°F to 2501.6°F); Type E: -200°C to 700°C (-328°F to 1292°F); Type J: -200°C to 1000°C (-328°F to 1832°F); Type T: -200°C to 400°C (-328°F to 752°F)
• Resolution: -200.0°C to 199.9°C; 0.1°C or 1°C (when 1°C resolution is set); +200°C or above: 1°C Accuracy: -200.0°C to -100.1°C: ±(0.1% of rdg + 1.0°C); -100.0°C to 199.9°C: ±(0.1% of rdg + 0.7°C); +200°C or above, or when 1°C resolution is set: ±(0.2% of rdg + 1°C) 
• Measurement Interval: Approx. 1 sec. (1 channel measurement). Approx. 2 sec. (2 channel measurement)
• Data Storage: Capable of storing up to 10 measured data items