Hanna Instruments HI9811-5 User Manual

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All rights are reserved. Reproduction in whole or in part is prohibited without
the written consent of the copyright owner.
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, please contact your local
Hanna Instruments Office.
Each meter is supplied with:
• HI1285-5, pH/EC/TDS/°C combination probe with 8-pin DIN
connector and 1 m (3.3’) cable
• HI70007, pH7.01 sachet, 1 pc.
• HI70031, 1413 µS/cm sachet, 1 pc.
• HI70032, 1382 ppm (mg/L) sachet, 1 pc.
• HI700661 cleaning solution sachet, 2 pcs.
• Instruction manual
• 1 x 9V alkaline battery.
Note: Save all packing material until you are sure that the instrument
functions correctly. Any defective item must be returned in the
original packing together with the supplied accessories.
HI9811-5 is the complete, versatile, with a large LCD and splash-
proof portable combination meter designed with the utmost precision
and simplicity. The instrument provides measurements for pH, EC and
TDS ranges, which are easily selectable through the keypad 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.
HI9811-5 is a pH/EC/TDS meter designed for simplicity of use in
taking pH, µS/cm, mg/L and temperature measurements. Suited for
hydroponics, greenhouses, farming and ground water applications.
PRELIMINARY EXAMINATION
GENERAL DESCRIPTION

Hanna Instruments HI9811-5 Specifications

General

Range	0.0 to 14.0 pH 0 to 6000 µS/cm 0 to 3000 mg/L (ppm) 0.0 to 70.0 °C
Typical EMC Deviation	±0.1 pH ±2% f.s. µS/cm ±2% f.s. mg/L (ppm) ±0.5 °C
Conversion Factor	0.5
pH Calibration	Manual, 1-point through offset trimmer
EC/TDS Calibration	Manual, 1-point through slope trimmer
EC/TDS Temperature Compensation	Automatic from 0 to 70 °C (32 to 158 °F) with b=2%/°C
Resolution	0.1 pH 10 µS/cm 10 mg/L (ppm) 0.1 °C
Accuracy (@ 20 °C/68 °F)	±0.1 pH ±2% f.s. µS/cm ±2% f.s. mg/L (ppm) ±0.5 °C
Probe (included)	HI1285-5
Battery Type	1 x 9V alkaline
Battery Life	Approx. 450 hours of continuous use
Environment	0 to 50 °C (32 to 122 °F) 100% RH

Weight and Dimensions

Dimensions	145 x 80 x 36 mm (5.7 x 3.1 x 1.4”)
Weight	230 g (8.1 oz.)