Oakton 35631-00 Operating Instructions Manual

Oakton 35631-00 Operating Instructions Manual Manual pdf 10 page image

1918To take readings:1. Rinse the probe with deionized ordistilled water before use to removeany impurities adhering to the probebody. Shake or air dry. To avoidcontamination or dilution of yoursample, rinse probe with a smallvolume of your sample liquid.2. Press ON to switch on meter.3. Press the MODE key to select conduc-tivity (or TDS) measurement mode. TheMEAS annunciator appears on the topcenter of the LCD. The ATC indicatorappears in the lower right hand cornerto indicate Automatic TemperatureCompensation.See figureNOTE: For conductivity manual tempera-ture compensation, you must deactivate thetemperature sensor built into the conduc-tivity probe and set a manual temperaturecompensation value. See pages 21-22 fordirections. The ATC indicator will disap-pear from the display.4. Dip the probe into the sample.When dipping the probe into the sample,the tip of the probe must be immersedabove the second steel band. Stir theprobe gently in the sample to create ahomogenous sample.See figure5. Allow time for the reading to stabilize.Note the reading on the display. If theReady indicator is selected on, it willappear when the reading is stable. Seepage 20 for more information.6. Press the MODE key to toggle betweenconductivity and pH readings.Taking Conductivity or TDS MeasurementsATCREADYMEASCμSAA5.2BBImmerseprobe beyondupper steelbandNotesYou can use the conductivity/TDS manual ranging function to select a specific rangein which your readings will appear. See page 20 for directions.HOLD functionThis feature lets you freeze your reading fora delayed observation. HOLD can be usedany time when in MEAS mode.1. To hold a measurement, press theHOLD key while in measurementmode. "HOLD" will appear onthe display.See figure2. To release the held value, press HOLDagain. Continue to take measurements.NOTE: This meter shuts off automaticallyafter 20 minutes of nonuse. If the meter isshut off either automatically or manually,the HOLD value will be lost.Taking measurements with READY indicator selected onIf the READY indicator has been activated, the READY annunciator lights whenthe reading is stable. Switch the READY indicator on or off in Set up programP7.1—see page 34 for directions.Taking measurements with the auto endpoint feature selected onWhen a reading is stable for more than 5 seconds, the auto endpoint feature willautomatically “hold” the reading. The “hold” indicator appears on the left side ofthe display. Press the HOLD key to release the reading. Switch the Auto endpointfeature on or off in Set up program P7.1—see page 34 for directions.ATCREADYMEASHOLDFμSCC5.3