Milwaukee MI490 Instruction Manual Download Page 11

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ERROR MESSAGES

7. ERROR MESSAGES

The meter has lost its configuration. Contact your dealer or the

nearest Milwaukee Instruments Customer Service Center.

On Zero Reading

“Light high”: there is too much light to perform a measurement.

Please check the preparation of the zero cuvet.

“Light low”: there is not enough light to perform a measurement.

Please dilute the sample five times (see GENERAL TIPS FOR AN

“No Light”: the instrument cannot adjust the light level. Please

check that the sample does not contain any debris.

On Sample Reading

“Inverted”: the sample and the zero cuvet are inverted.

The sample absorbs less light than the zero reference. Check

the procedure and make sure you use the same cuvet for

reference (zero) and measurement.

A flashing value of the maximum concentration indicates

an over range condition. The concentration of the sample

is beyond the programmed range: dilute the sample and

measure again.

Summary of Contents for MI490

Page 1: ...INSTRUCTION MANUAL SATISFACTION GUARANTEED MI490 Photometer for edible oils Peroxide value...

Page 2: ...part is prohibited without the written consentofthecopyrightowner MilwaukeeInstrumentsInc RockyMount NC27804USA THANK YOU for choosing Milwaukee Instruments This instruction manual will provide you th...

Page 3: ...GENERAL DESCRIPTION 5 3 SPECIFICATIONS 6 4 GUIDE TO DISPLAY CODES 7 5 GENERAL TIPS FOR AN ACCURATE MEASUREMENT 8 6 MEASUREMENT PROCEDURE 9 7 ERROR MESSAGES 11 8 BATTERY REPLACEMENT 12 9 ACCESSORIES 1...

Page 4: ...ASUREMENT UNIT F MAIN DISPLAY G PARAMETER NUMBER INDICATOR H TIMER MODE INDICATOR I SECONDARY DISPLAY Front Panel A LID B CUVET HOLDER C LIQUID CRYSTAL DISPLAY LCD D ON OFF KEY TO TURN THE METER ON AN...

Page 5: ...is made and the temperature of the lamp is controlled to avoid overheating Significance of Use Peroxides are the primary products of oil oxidation Their identification gives useful information about o...

Page 6: ...owing amendments The reaction between sample and reagent causes a color variation proportional to the peroxide content expressed in meq O2 kg Environment 0 to 50 C 32 to 122 F max 95 RH non condensing...

Page 7: ...down At the end of the countdown an acoustic signal alerts the user that the timer is finished Indicates that the meter is performing a zero measurement Thelightintensityisautomaticallyreadjusted auto...

Page 8: ...gent leaking and to obtain more accurate measurements it is recommended to close the cuvet very well with the cap y In order to measure exactly 1 mL of oil a Push the plunger completely into the syrin...

Page 9: ...wice y Turn on the meter by pressing the ON OFF key When the LCD displays it is ready y Place the vial into the instrument y Press the ZERO key and will blink on the display y After a few seconds the...

Page 10: ...ed the TIMER key press READ to make the measure In both cases the display will show during the measurement y The meter directly displays the peroxide value in meq O2 kg on the LCD Notes To convert the...

Page 11: ...s see GENERAL TIPS FOR AN ACCURATE MEASUREMENT No Light the instrument cannot adjust the light level Please check that the sample does not contain any debris On Sample Reading Inverted the sample and...

Page 12: ...will appear when the batteries power gets low When batteries are completely discharged 0 bAtt will appear and after two seconds the instrument is switched off Remove the battery cover from the bottom...

Page 13: ...ACCESSORIES 13 9 ACCESSORIES Reagent Sets Mi590 021 Peroxides reagents 21 tests Other Accessories Mi0006 1 5V AA batteries 4 pcs Mi0004 Tissue for wiping cuvets 4 pcs...

Page 14: ...meter s performance For your and the meter s safety do not use or store the meter in hazardous environment To avoid damage or burn do not perform any measurement in microwave ovens The chemicals cont...

Page 15: ...Milwaukee Instruments reserves the right to make improvements in design construction and appearance of its products without advance notice...

Page 16: ...C H 6726 Szeged HUNGARY tel 36 62 428 050 fax 36 62 428 051 www milwaukeeinst com e mail sales milwaukeeinst com Milwaukee Instruments Inc 2950 Business Park Drive Rocky Mount NC 27804 USA tel 1 252 4...