User Guide

HI 9813, HI 9813-5 and HI 9813-6 are complete, versatile and

waterproof portable combined meters designed with utmost precision

and simplicity. All the three models provide measurements of pH, EC

and TDS ranges, which can be easily selected using a membrane

keyboard on the front panel.

Conductivity measurements are automatically compensated for tem-

perature changes with a built-in temperature sensor. The temperature

coefficient is fixed at 2%/°C.

• HI 9813 is a pH/EC/TDS meter designed for simplicity of use in

taking pH, mS/cm and ppm measurements. Suited for hydropon-

ics, greenhouses, farming and ground water applications.

• HI 9813-5 offers all the features of HI 9813 with the addition of

temperature measurement in the °C scale.

• HI 9813-6 is the most complete model, including the Cal-Check

feature, which allows the user to easily check the probe calibra-

tion status at any time.

GENERAL DESCRIPTION

Remove the instrument from the packing material and examine it

carefully to make sure that no damage has occurred during ship-

ment. If noticeable damage is found, notify your dealer.

Each meter is supplied with:

• Combination probe with 8-pin DIN connector & 1 m (3.3') cable:

HI 1285-0, pH/EC/TDS probe, for HI 9813;

HI 1285-5, pH/EC/TDS/°C probe, for HI 9813-5;

HI 1285-6, pH/EC/TDS/°C probe with Cal-Check feature, for HI

9813-6

• HI 70007 pH 7.01 sachet, 1 pc

• HI 70031 1413 µS/cm (1.413 mS/cm) sachet, 1 pc

• HI 70442 1500 ppm sachet, 1 pc

• HI 700661 Cleaning Solution sachet, 2 pcs

• HI 50021 Check Solution sachet, 2 pcs, for HI 9813-6 only

• Instruction Manual

• 1 x 9V alkaline battery.

Note: Save all packing material until you are sure that the instrument

functions correctly. Any defective items must be returned in the

original packing together with the supplied accessories.

PRELIMINARY EXAMINATION