Hanna Instruments HI 93703-11 Instruction Manual

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Hanna Instruments HI 93703-11 Instruction Manual Manual pdf 11 page image

11LOG-ON-DEMAND:• After taking a read-ing, press the STObutton. The lastsample read will bestored in memory.The display will alsoshow on the bottomright corner the reference number of thestored sample.NOTE: When the maximum number of sampleshas been reached(199), the LCD dis-play will show "FULL".This is a warning thatyou will be overwrit-ing the oldest sample recorded. To store thecurrent sample, press the STO button againand this will overwrite the oldest sample in thememory. All samples are shifted (referencenumbers reduced by one). Sample numberone remains the oldest sample.CLEARING LOGGED DATA:• Press the ALT &CLR buttons to-gether. The displaywill show "CLR" forconfirmation. PressALT & CLR again toclear memory. Toabort the operation,press any button.ALL SAMPLES PREVIOUSLY STOREDWILL BE ERASED FROM MEMORY!LOGGINGMICROPROCESSORTURBIDITY METERLOGGINGMICROPROCESSORTURBIDITY METERHI 93703-11VIEWVIEWSTOSTOCLRCLRGLPGLPCALCAL DATEDATEREADREADALTALTOFFONFULLLOGGINGMICROPROCESSORTURBIDITY METERLOGGINGMICROPROCESSORTURBIDITY METERHI 93703-11VIEWVIEWSTOSTOCLRCLRGLPGLPCALCAL DATEDATEREADREADALTALTOFFONCLRLOG14• Real Time Clockerror ∗• EEPROM error∗• Internal communica-tion error∗• Internal Bus error∗∗ Contact the HANNA office nearest to you.err2err3err4err5ENSURE ACCURATE MEASUREMENTS• Each time the cuvet is used, tighten the capto the same degree.• Discard the sample soon after the reading istaken to avoid permanently clouding the glass.• All glassware used to contain the standardsand the samples should be maintained clean,washed with the HI 93703-50 cleaning solutionand rinsed with HI 93703-0 or turbidity-freewater.• Collect the samples in clean glass or plasticbottles, fit stoppers and perform the analysisquickly. If necessary, store the sample in acool, dark place, for up to a maximum of 24

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