BENETECH GT781 PH ORP Meter Handheld Water Quality Tester

Parameters: 1. PH Range：0.01-14.00 2. PH Resulution：0.01 3. PH Error：+/- 0.05 4. ORP Range：-1999 ~ +1999mV 5. ORP resolution: 1 6. ORP Error: +/- 1.5% (F.S.) +/-2 digit 7. Temperature：0-60 Celsius （32-140F） 8. Temperture resolution: 0.1 Celsius (0.18F) 9. Temperture Error: +/- 1.0 Celsius (+/-2.0F) 10. Solution temperture compensation range: 0-60 Celsius (Only PH） 11. Workingenvironment: 0-50 Celsius（32-122F），less than or equal to 85%RH 12. Storage space: 8MB (can store about 397000 data) 13. Battery: 3.7V 1000mAh lithium battery 14. Low battery prompt: 4 levels of power indication. When the voltage is lower than 3.4V, it will automatically shut down. 15. Charging adapter: 5V 2A Functions: 1. PH probe: lt can measure the PH value of the solution, temperature and sensor voltage 2. ORP probe: lt can measure the REDOX potential and temperature in the solution 3. The PH measurement has a solution temperature compensation funclion 4. Automatically/manually record data and generate reports 5. Data storage, viewing and deletion 6. Adjustable sampling time interval 7. Adjustable automatic shutdown time 8. Self-calibration, optional [4.00]-[6.86]-[9.18] or [4.00]-[7.00]-[10.00] 9. Temperature unit selection 10. Restore factory settings 11. Adjustable screen brightness 12. Chinese / English selection 13. Low battery prompt and power prompt 14. USB charging 15. Connect to computer PC software to transfer data 16. lt can generate csv and bmp files compatible with the VVindows system, and can also be used as a small-capacity storage device (USB fash drive) to store files in other formats.