Extech Model 407510 - Manuals

407510-en-GB_V7.6 7/15 4 Dissolved Oxygen (DO) Measurements Measurement Preparation Before taking measurements, perform the calibration described above if necessary. In addition, perform the % SALT and ALTITUDE compensation adjustments as described below: % SALT Compensation Slide the O 2 /DO switch...

407510-en-GB_V7.6 7/15 5 Advanced Features Data Hold Press the Data Hold key to freeze the displayed value. The LCD will display DH for Data Hold mode along with the held reading. Press the Hold key again to release the data hold function. MIN/MAX/AVG Data Recording When selected, the Data Recording...

407510-en-GB_V7.6 7/15 6 Probe Storage For short term storage, the probe should be stored in a moist environment to keep the membrane from drying out and needing replacement. Moisten the sponge with distilled water in the protective cap. Do not store it directly in the water since that could encoura...