20
SPECIFICATIONS
Display
Range
Resolution
Accuracy
pH
-2.00 ~ 16.00 pH
0.01 pH
±0.01 pH
mV (RmV)
-1999.9 ~ 1999.9 mV
0.1 mV
±0.05%
F.S.
Conductivity
K=0.1 : 0.00 ~ 99.99 μS/cm
100.0 ~200.0 μS/cm
K=0.475 : 0.0 ~ 474.9 μS/cm
475 ~ 4749 μS/cm
4.75 ~ 47.49 mS/cm
47.5 ~ 200.0 mS/cm
0.01 μS/cm,
0.1 μS/cm,
1 μS/cm,
0.01 mS/cm,
0.1 mS/cm
±0.5% F.S.
TDS
K=0.1 :
0.00 ~ 99.99 mg/L
100.0 ~200.0 mg/L
K=0.475 : 0.0 ~ 474.9 mg/L
475 ~ 4749 mg/L
4.75 ~ 47.49 g/L
47.5 ~ 200.0 g/L
0.01 mg/L,
0.1 mg/L,
1 mg/L,
0.01 g/L,
0.1 g/L
±0.5% F.S.
Salinity
0.0 ~ 80.0 ppt
0.1 ppt
±0.5% F.S.
Temperature
0.0 ~ 100.0 °C
0.1 °C
±0.2 °C
pH buffer recognition
1.68, 7.00, 4.01, 10.01,12.46 pH
or 1.68, 6.86, 4.00, 9.18, 12.46 pH
pH Temperature compensation
AUTO / MAN 0.0 °C ~ 100.0 °C
pH Buffer Temperature range
0 ~ 60.0 °C
pH calibration
Up to 5 points
ORP calibration
1 point Offset ± 150 mV
Conductivity calibration
1 point
Input impedance
>1 x 10
12
Ω
Reference Temperature
15.0 ~ 25.0 °C, default at 25.0 °C
Temperature Coefficient
0.0% ~ 4.0%, default at 1.91%
TDS Factor
0.30 ~ 1.00, default at 0.65
Temperature sensor
Thermistor, 10 kΩ at 25 °C
Power
6 X 1.5 V AAA Batteries or 100 ~
240 VAC adapter
Calibration Back-up
EEPROM
Audio Feedback
All Touch Keys
End Point Sensing & Hold
Yes
Screen
Segment LCD backlight
Ambient Temperature Range
0 ~ 50 °C
Relative Humidity
up to 90%
