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INSTRUCTION MANUAL

HI9812-51

Portable

pH / EC / TDS / Temperature

Meter

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Summary of Contents for HI9812-51

Page 1: ...INSTRUCTION MANUAL HI9812 51 Portable pH EC TDS Temperature Meter...

Page 2: ...a Hanna Instruments product Please read this instruction manual carefully before using this instrument This manual will provide you with the necessary information for correct use of this instrument a...

Page 3: ...Battery Replacement 8 5 2 Connecting the Electrode 9 5 3 Turning the Meter On 9 5 4 Sensor Preparation Conditioning 9 6 Calibration 10 6 1 pH 10 6 2 EC TDS 11 7 Measurement 12 7 1 pH 12 7 2 EC TDS 12...

Page 4: ...efective item must be returned in its original packing material with the supplied accessories 2 GENERAL DESCRIPTION TheHI9812 51isaportable waterresistantmeterdesignedtobepaired with HI1285 51 pH EC T...

Page 5: ...temperature to match the solution value 1 3 2 5 6 7 8 9 10 11 4 12 1 8 pin DIN connector socket 2 Battery level indicator 3 LCD display 4 On screen calibration knob indicator 5 pH key pH range selecti...

Page 6: ...lution 10 ppm mg L Accuracy 2 f s ppm mg L 25 C 77 F Calibration Manual 1 point Temp compensation Automatic from 0 to 70 C with 2 C Conversion factor 0 5 Temperature Range 0 0 to 70 0 C Resolution 0 1...

Page 7: ...rature 0 to 50 C 32 to 122 F Tip shape Spheric 8 0 mm 0 31 Glass type Low Temperature LT Temperature sensor Yes Amplifier Yes Body material Polypropylene Dimensions Length 186 mm 7 32 Shaft length 95...

Page 8: ...n the back of the instrument to open the battery compartment Remove the old battery Insert one new 9 V Alkaline battery in the battery compartment while paying attention to the correct polarity Close...

Page 9: ...N Turn the instrument on by pressing the On Off key 5 4 SENSOR PREPARATION CONDITIONING 1 Remove the protective cap 2 If the protective cap does not contain any liquid pour HI70300 Storage solution in...

Page 10: ...H key to select pH measurement mode 3 Remove the protective cap and rinse the probe 4 Pour buffer solution into a clean beaker 5 Immerse the tip of the probe 4 cm 1 1 2 in selected buffer and wait a f...

Page 11: ...ent to cover the sensing portion of the probe 4 cm 1 1 2 If possible use plastic beakers to minimize any EMC interferences For accurate calibration and to minimize cross contamination use two beakers...

Page 12: ...rinse the probe with some of the sample to be measured next 7 2 EC TDS Immerse the probe tip 4 cm 1 1 2 into the sample If possible use plastic beakers to minimize any EMC interferences Tap the probe...

Page 13: ...measurement to stabilize Read value is displayed on the LCD 7 4 WARNINGS pH EC TDS If measured value is outside the parameter limit of the instrument the maximum or minimum value is displayed blinkin...

Page 14: ...02 6 85 7 00 9 14 9 96 35 95 4 03 6 84 6 99 9 11 9 92 40 104 4 04 6 84 6 98 9 07 9 88 45 113 4 05 6 83 6 98 9 04 9 85 50 122 4 06 6 83 6 98 9 01 9 82 55 131 4 08 6 84 6 98 8 99 9 79 60 140 4 09 6 84 6...

Page 15: ...soaking it for 5 minutes in HI700661 Cleaning solution For particular impurities clean by soaking the sensor for 1 minute in HI7073 Protein cleaning solution or HI7077 Oil and fat cleaning solution A...

Page 16: ...solution 500 mL HI7009L pH 9 18 buffer solution 500 mL HI7010L pH 10 01 buffer solution 500 mL Conductivity TDS Calibration Solutions HI7031L 1413 S cm solution 500 mL HI7032L 1382 ppm mg L solution...

Page 17: ...te collection point for recycling Ensuring proper product and battery disposal prevents potential negative consequences for the environment and human health which may be caused by inappropriate handli...

Page 18: ...service is required contact your local Hanna Instruments office If under warranty report the model number date of purchase serial number engraved on the bottom of the meter and the nature of the probl...

Page 19: ...Hanna Instruments reserves the right to modify the design construction or appearance of its products without advance notice...

Page 20: ...World Headquarters Hanna Instruments Inc Highland Industrial Park 584 Park East Drive Woonsocket RI 02895 USA www hannainst com MAN9812 51 Printed in ROMANIA...

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