Model

　PH-981

　Range

0.00～14.00PH

　Resolution

0.01 pH

　Accuracy

±0.05pH

　Calibration

1point

　A T C

0 to 60℃

　Power

4×1.5v alkaline

　Dimensions

170×33×20mm

　Weight

70g

● ATC ● Low battalear ● Waterproot ● Hold

Model

　PH-281

　Range

0.00～14.00PH

　Resolution

0.01 pH

　Accuracy

±0.05pH

　Calibration

1 point

　A T C

0 to 60℃

　Power

4×1.5v（LR44）

　Dimensions

172×26×26mm

　Weight

73g

● ATC ● Replacement electrode ● Low battalear ● Waterproot ● Hold

Model

　PH-281A

　PH-281B

　Range

0.00～14.00PH

　Resolution

0.01 pH

　Accuracy

±0.1pH

　Calibration

1 point

　A T C

0 to 60℃

　Plug

BNC + 1m cable

BNC

　Power

4×1.5v (LR44)

　Dimensions

135×26×26mm

　Weight

62g