1. pH range -2.00-16.00 pH, Resolution 0.01 pH, Accuracy +/- 0.01pH       

2.ORP range +/- 699.9 mV; +/- 1999 mV, Resolution 0.1mV; 1 mV, Accuracy +/- 0.2 mV; +/- 1 mV

3.Temperature  range -20.0-120 ^oC (-4.0-248.0 ^oF), Resolution  0.1 ^oC/0.1^oF, Accuracy +/-0.4 ^oC/+/-0.8^oF

4. The device has an automatic calibration program of  one or two point  with 3 memorized buffer value including 4.01, 7.01, and 10.01 pH.

 5. There is a system which automatically compensates for the temperature,0 to 100?C; the compensation system can also be done manually.

6. The Electrode measure model HI 1230B Combination pH electrode with BNC connector and 1 m cable

 7. The temperature probe model HI 7662; stainless steel temperaturenprobe with 1 m cable

8.  Battery type; 9V battery; approximately 150 hours of continuous use; auto-off after 20 minutes of non-use or disabled