Orp Tester ORP-035

Measuring range : 0~±1999mV

Accuracy : ±5mV

Resolution :1 mV

Display : 4-digital LCD

Power Supply : 4 × 1.5V(AG13)

Dimensions : 188 × 35 × 35(mm3)

Weight : 118g

How to use :

1. Pull out the cap

2. Click the button on/off,and insert the plug into the liquid.

3. When the reading is steady,click the button "Hold",then,get the result

4. After use,clear the plug.

Package includes :

1 x ORP-169E Redox Measurement Test Tool

1 x Screw driver for open

1 x English use manual

Comes in retail box :)