Changing Batteries - EUTECH INSTRUMENTS ORPTESTR10 Manual De Instrucciones

3. Keep a piece of paper or sponge in the cap, moistened with clean water or electrode storage solution. DO NOT
use de-ionized water.

Changing Batteries:

1. Open battery compartment lid by pulling on plastic ribbon. Remove old batteries noting polarity (flat
side of battery is +)
2. Replace with (4) fresh LR44 or A76 batteries.
Electrode Replacement:
standards with hydrated electrode sensor and fresh batteries.
1. Grip the ribbed collar with electrode facing you. Twist the collar counter clockwise (Fig A). Save the ribbed tester
collar and O-ring.
2. Pull off the old electrode module from the tester.
3. Align the 4 tabs on the new module with the 4 slots on the tester (Fig B).
4. Gently push the new module onto the slots.
5. Push the smaller O-ring fully onto the electrode.
6. Push the collar over the module and twist it clockwise.
Note: Recalibrate your Testr after electrode replacement.
3 of 13
necessary when calibration fails or when readings are erroneous in new calibration
ORPTestr/ORPTestr10BNC
www.eutechinst.com