EC20 Pocket Conductivity Tester Instruction Manual APERA INSTRUMENTS (Europe) GmbH www.aperainst.de v2.
1. Battery Installation Please install batteries according to the following steps. *Please note the correct direction of battery installation: The Positive Side (“+”) OF EVERY SINGLE Battery MUST FACE UP. (WRONG INSTALLATION OF BATTERIES WILL CAUSE DAMAGE TO THE TESTER AND POTENTIAL HAZARDS!) (batteries are pre-installed) 2. Keypad Functions ■Short press------- < 2 seconds ■Long press-------- > 2 seconds 1. Short press to turn on, long press to turn off; 2. When turned off, long press to enter setup; 3.
. Complete Kit Diagram - 2 4. Calibration 4.1 Rinse the probe in distilled water and dry it with a clean tissue. Short press to turn on the tester. 4.2 Long press to enter calibration mode; Short press to exit. 4.3 Dip the probe into 1413 µS/cm calibration solution. Stir gently, leave it to stand, LCD displays (Diagram 3), short press to complete 1-point calibration. The tester returns to measuring mode, and calibration icon appears at the bottom left of LCD. Diagram - 3 4.
6. Notes 6.1 If it’s first time use or the tester hasn’t been used for a long time, we recommend soaking the probe in 12.88 mS/cm solution for 15-30 minutes to restore its sensitivity and speed up the response time. 6.2 The tester adopts 1413 µS and 12.88 mS standard calibration solutions. Users can use 1–2-point calibrations as needed. For most circumstances, calibrating in 1413 µS to complete 1st point calibration will meet testing requirements. 6.
Factory default is Aut. b) P2-Select temperature unit (°C-°F) In P1 mode, press to enter P2, press , °C or °F flickering, press choose °C-°F, press to confirm parameter selection. Long press to to return to measurement mode. c) Restore to factory default: Select Yes to restore the calibration to the theoretical values and parameter setting to original values.
10. Warranty We warrant this instrument to be free from defects in material and workmanship and agrees to repair or replace free of charge, at option of APERA INSTRUMENTS (Europe) GmbH, any malfunctioned or damaged product attributable to responsibility of APERA INSTRUMENTS (Europe) GmbH for a period of two years from the delivery (a six-month limited warranty applies to electrodes).
