Model

PH-25

PH-3C

Parameters Measured

pH / mV (ORP) / °C

pH / mV (ORP) / °C

Range

pH

(0.00~14.00)PH

(0.00~16.00)PH

mV

(0-1599.9)mV

(0-1599.9)mV

Temp

0.0~60.0°C

0.0~60.0°C

Resolution

pH

0.01PH

0.01PH

mV

1mV

1mV

Temp

0.1°C

0.1°C

Accuracy

pH

±0.02ph±1bit

±0.02ph±1bit

mV

±1 %(FS)

±1 %(FS)

Temper

±0.1°C±1bit

±0.1°C±1bit

Input resistance

≥1 x 10°Ω

≥1 x 10°Ω

Input Current

≥1 x 10°A

≥1 x 10°A

Stability

(±0.05pH±1bit)/3h

(±0.05pH±1bit)/3h

Temperature Compensation

Manual(0.0~60.0)��

Manual(0.0~60.0)��

Display

LCD, dual parameter

LCD, dual parameter

Communication interface

RS-232

RS-232