1. LCD display screen, 3.5 inches.
2. Multi-reading feature allows auto-read, timed-read and continuous-read.
3. Automatic/Manual temperature compensation ensures accurate results.
4. Auto-hold feature senses and locks the measurement endpoint.
5. Data capacity of up to 500 sets for each parameter (GLP-compliant).
6. Support for USB communication.
7. Auto-power off feature effectively extends the battery service life.
8. Reset feature automatically resumes all settings back to factory default options.
9. IP65 waterproof.

pH

1. 1-5 points calibration with Standard Recognition.
2. Selectable pH buffer groups, including NIST, DIN, GB.
3. Automatic electrode diagnosis with pH slope and offset display.

Ion

1. 1-5 points calibration.
2. Selectable measurement unit, including μg/L, mg/L, g/L, mmol/L, pX, ppm, etc.
3. Measurement modes are supported, including Direct Reading mode, Standard Addition mode, Sample Addition mode and GRAN mode.
4. Over 10 methods are built-in, including F^–, Cl^–, Br^–, I^–, NO₃^–, BF₄^–, NH₄⁺, K⁺, Na⁺, Ca²⁺, Cu²⁺, Pb²⁺, Ag⁺and etc., user-defined method is supported.

Conductivity

1. 1-3 points calibration with Standard Recognition.
2. Settable parameters, including cell constant, temperature compensation coefficient, and TDS factor.
3. Temperature compensation type (none, linear, pure water).

DO

1. Support for air-saturated water or zero oxygen calibration.
2. Auto barometric pressure compensation
3. Manual Salinity Factor Correction
4. Selectable pressure unit, including kPa, mbar, Torr, Atm.