Features include simultaneous pH/temperature display, built-in beaker holder, beaker-top electrode holder and 3-in-1 pH and temperature sensor probe (included) with readings in °C or °F. Both models have stability indicator, buffer recognition and automatic pH calibration (1 or 2 points). The instrument’s compact design optimizes space and reduces desktop clutter. Cat. No. 640-050-04 has an internal magnetic stirrer. Includes AC adapter and battery (1 x 9V).

Specifications
Range: -2.00 to 16.00 pH; -5.0 to 105.0°C
Accuracy: ±0.02 pH; ±0.5°C up to 60°C and ±1.0°C up to 105°C
Resolution: 0.01 pH; 0.1°C
Temperature compensation: automatic from -5.0 to 105.0°C

This model has been discontinued. Parts & accessories are still available for purchase.