|*Power supply:||2*1.5V(LR44 Button cell)|
|*Calibration:||two points automatic calibration|
|1)Take off cap and press "ON/OFF"button||2) Get reading||3) Replace the cap after cleaning the electrode|
(If you require support or have any questions,please contact us.)
Recalibration is required in the following conditions:
-Lengthy periods of inactivity
-Very frequent use
-The testing accuracy requirement is very high.
-The “CAL”(calibration ) button was pushed and electrode to air for extended period of time
Always replace protective cap after using digital meter to keep electrode from drying out due to proloned exposure to air ,which leads to slow or unstable readings. If electrode has been dried out immerse it into distilled water for a few hours.
When the display value is fuzzy or unshown , The battery should be replaced promptly.Pay attention to the polarity of battery.
The instrument si warranted to the purchaser for a year from the date of purchase. If during these periods,repair or replacement of the instrument is required, please return the instrument to either your dealer or to our office.The repair will be effected free of charge.(damage is not due to negligence or erroneous operation by the user) Note:Please provide purch se invioce or proof before returning your instruments back.