Basic features and specifications
Model

6021A
6020
6020A
6022

Measurement Range
pH
0-14pH
0-14pH
0-14pH
0-14pH

Resolution
pH
0.1 pH.
0.01 pH.
0.01 pH
0.01 pH.

Accuracy
pH
-/+0.1 pH
+/- 0.02 pH
+/- 0.01 pH
+/- 0.02 pH

Measurement Range
Temp.

0 to 50 centi degree ( 32 to 122 degree Fahrenheit ).

0 to 50 centi degree ( 32 to 122 degree Fahrenheit ).

Resolution
Temp.
0.1 centi degree / 0.1 degree Fahrenheit.
0.1 centi degree / 0.1 degree Fahrenheit.

Accuracy
Temp.
+/- 0.8 centi degree / +/- 1.5 degree Fahrenheit.

+/- 0.8 centi degree / +/- 1.5 degree Fahrenheit

pH Calibration

pH 4.01,  pH 6.86 and pH 9.18
pH 7.00,  pH 4.01 or pH 10.01
pH 6.86,  4.01,  9.18
pH 6.86,  pH 4.01 or pH 9.18

Temp. Display
0.1 centi degree
Temp. Accuracy
1 centi degree
Working Temp. Range
0 ~ 50centi degree
Operating Humidity
Less than 80% RH.

ATC
0 ~ 100centi degree
Dimension
188 x38 mm * Meter with pH electrode.

Weight
82 g (electrode included).