3All rights are reserved. Reproduction in whole or in part is prohibited without the writtenconsent of the copyright owner.PRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONPRELIMINARY EXAMINATIONRemove the instrument from the packing material and examine itcarefully to make sure that no damage has occurred during shipment.If noticeable damage is found, notify your Dealer.Each meter is supplied with:• HI 1285-5, pH/EC/TDS/°C combination probe with 8-pin DINconnector and 1 m (3.3') cable• HI 70007, pH 7.01 sachet, 1 pc• HI 70031, 1413 μS/cm sachet, 1 pc• HI 70032, 1382 ppm (mg/L) sachet, 1 pc• HI 700661 cleaning solution sachet, 2 pcs• Instruction manual• 1 x 9V alkaline battery.Note: Save all packing material until you are sure that theinstrument functions correctly. Any defective item must bereturned in the original packing together with the suppliedaccessories.GENERAL DESCRIPTIONGENERAL DESCRIPTIONGENERAL DESCRIPTIONGENERAL DESCRIPTIONGENERAL DESCRIPTIONHI 9811-5 is the complete, versatile, with a large LCD and splash-proof portable combination meter designed with the utmost precisionand simplicity. The instrument provides measurements for pH, EC andTDS ranges, which are easily selectable through the keypad on thefront panel.Conductivity measurements are automatically compensated fortemperature changes with a built-in temperature sensor. Thetemperature coefficient is fixed at 2%/°C.HI 9811-5 is a pH/EC/TDS meter designed for simplicity of use intaking pH, μS/cm, mg/L and temperature measurements. Suited forhydroponics, greenhouses, farming and ground water applications.