2
Weight
• instrument 390 g (batteries included)
• with protective covering 620 g
Dimension
• instrument: 203 x 76 x 38 mm
• with protective covering: approx.
220 x 125 x 45 mm
1.2 Electrical Specifications (23± 5°C)
A. pH/mV
Measurement
pH
0 to 14 pH
mV
-1999 mV to 1999 mV
Input Impedance
10
12
ohm
Temperature Compensation
for pH measurement
Manual
0 to 100°C
(32 to 212°F)
Automatic (ATC) 0 to 65°C
(32 to 149 °F) with tem-
perature probe
pH Calibration
1 to 3 point calibration using
pH 7 / pH 4 / pH 10 buffer solutions
Three point calibration ensures best linearity
and accuracy
Measurement Range
Resolution Accuracy
pH
0 to 14 pH
0.01 pH
± (0.02 pH + 2 digits)
mV
- 1999 to 1999 mV 1 mV
± (0.5 % pH + 2 digits)
* pH accuracy is based on calibrated meter only.