YOKOGAWA PH92 ポータブルpH/ORPメーター (0.00 ~ 14.00 pH, -2000 ~ 2000 mV)

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

Datasheet