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Measurement: Hydrogen ion concentration (pH) or oxidation-reduction potential (ORP) of solution
Measuring range:
pH: 0.00 to 14.00 pH
ORP: -2000 to 2000 mV
Temperature: 0 to 80℃ (with sensors) (0 to 50℃ when a KCl replenish-free type sensor and its sensor cable are immersed in water)
Repeatability (Simulated input without sensor):
pH: ±0.01 pH ± 1digit
ORP: ±0.3% of Reading（-999.9 to 999.9 mV; ±0.3 mV）
Temperature accuracy: Simulated input for main unit only; ±0.5 ℃±1 digit
Combined with sensors; ±1.0 ℃ (0 to 70 ℃), ±1.3 ℃ (above 70℃)
Temperature compensation: Automatic, Manual
Functions: Display pH or ORP (mV) and solution temperature (simultaneously), Electrode sensitivity level indicator, Stability check function, Data Memory（500 points）
Construction: IP67
Connectable sensor: PH92SN, OR92SN
Solution conductivity: 50 μS/cm or more
Power source: 2 x AA batteries (LR6), Auto power off function (time configurable: 1 to 30 minutes)
Battery life: Approximately 500 hours
