Model

SK-660PH

SK-661PH

SK-662PH

Measuring range

pH 2.0 to12.0pH

Temp. 0.0 to 50.0°C

pH 0.0 to 14.0pH

Temp. 0.0 to 50.0 °C

pH 0.00 to 14.00pH

Temp. 0.0 to 50.0 °C

Measuring accuracy

pH ±0.6pH

Temp. ±1.0°C

pH ±0.2pH

Temp. ±1.0°C

pH ±0.01pH

Temp. ±0.5°C

Resolution

pH 0.1pH, Temp. 0.1°C

pH 0.1pH, Temp. 0.1°C

pH 0.01 Temp. 0.1°C

Waterproof property

JIS 0920 equivalent to IPX5

Functions

Calibration, HOLD (Display hold). Auto power-off, Automatic Temperature Compensation (ATC), Sensor sensitivity display, Stability display.

Sensor

Glass electrode (Inner solution(KCI): not replaceable)

Power Requirement

Button cell battery:LR44(GPS 76E)x 4.

Materials

Display: ABS resin       Sensor: glass

Dimensions

(φ)38x(L)171mm

Weight

Approx. 82g (including batteries)

Accessories

Button cell battery:LR44(GPS 76E)x 4, Wrist strap x 1

Consumable

Replaceable sensor No. 6431-00 model 660S