*. Model : HI-4221

*. LCD Display

*. Range : -2.00~20.00 pH

                 ±2000mV,  -20.0~120.0℃

*. Resolution : 0.1~0.001pH, 0.1mV,  0.1℃

*. Repeatability : ±0.01~0.002p

                           ±0.2mV, ±0.2℃

*. pH Calibration (5-point)

   Automatic / Manual

*. Temp. compensation

*. Auto End-point

*. USB, RS232 to PC

*. 159x230x93mm, 800g

*. DC12V Adapter