Specifications:
1. pH Range: -2.000~20.000pH
2. pH Accuracy: ±0.002pH
3. Resolution: 0.001, 0.01, 0.1pH, Selectable
4. Calibration Points: Up to 5 points
5. Calibration Solutions: USA(pH1.68/4.01/7.00/10.01/12.45), NIST(pH1.68/4.01/6.86/9.18/12.45), DIN(pH1.09/4.65/6.79/9.23/12.75)
6. Ion Concentration Range: 0.001~19999ppm, mg/L, mol/L (Depending on measuring range of Ion Selective Electrode)
7. Ion Concentration Accuracy: ±0.5% Full Scale (Monovalent), ±1% Full Scale (Divalent)
8. Calibration Points: 2 to 5 points
9. Calibration Solutions: 0.001, 0.01, 0.1, 1, 10, 100, 1000, 10000ppm
10. mV Range: -1999.9~1999.9mV
11. mV Accuracy: ±0.2mV
12. Resolution: 0.1, 1mV, Selectable
13. Temperature Range: 0~105°C, 32~221°F
14. Temperature Accuracy: ±0.5°C, ±0.9°F
15. Temperature Calibration: Manual
16. Temperature Compensation: 0~100°C, 32~212°F, Automatic or Manual
17. Auto-Off: Manual or Automatic (10, 20, 30 minutes after last key pressed, Selectable)
18. Hold Function: Manual or Automatic
19. Stability Conditions: Low or High, Selectable
20. Calibration due reminder: 0 to 30 days
21. Reset Function: Yes
22. Memory: 500 data sets with Date/Time stamping
23. Output: USB Communication Interface
24. Connector: BNC
25. LCD Display: Custom dual-display LCD (130 x 110mm)
26. Power Requirements: DC5V, using AC adapters, 220VAC/50Hz
27. Dimensions: 210(L) x 188(W) x 60(H)mm
28. Weight: 1.2kg

Note: Standard packing only ph sensor, ORP and ION sensor is optional