4
Pr
EL
imi
NA
ry Ex
Ami
NA
Ti
ON
1. PRELIMINARY EXAMINATION
Remove the instrument and accessories from the packaging and examine
it carefully. For further assistance, please contact your local Hanna
Instruments
®
office or email us at [email protected].
Each model is delivered in a carrying case and supplied with:
•
HI1285-51
pH / EC / TDS / Temperature combination probe and
DIN connector with 1 m (3.3’) cable
• pH 7.01 buffer solution (1 sachet)
• 1413 μS/cm conductivity solution (1 sachet)
• 1382 ppm (mg/L) TDS calibration solution (1 sachet)
• General purpose cleaning solution for Agriculture (2 sachets)
• 100 mL plastic beaker (1 pc.)
• 9V Alkaline battery (1 pc.)
• Instrument quality certificate
• Instruction manual
Note:
Save all packing material until you are sure that the instrument
works correctly. Any damaged or defective item must be returned in its
original packing material with the supplied accessories.
2. GENERAL DESCRIPTION
The
HI9812-51
is a portable, water resistant meter designed to be paired
with
HI1285-51
pH / EC / TDS / Temperature multiparameter probe.
The meter is easy to use, with dedicated keys for measurement modes
that are clearly displayed on the LCD, and knobs for 1-point calibration
of pH and EC. On-screen tutorial messages guide the user through
calibration and measurement.
Main Features
• 3-in-1 combination probe with pH, EC / T DS, and temperature sensors
• Best for hydroponics, greenhouses, farming, and ground water
applications
Probe Features
Polypropylene (PP) body houses three sensors:
pre-amplified pH electrode
• Cloth junction
• Polymer-gel electrolyte
• Low temperature (LT) glass-sensing bulb
amperometric EC
/
TDS sensor
• Two stainless-steel prongs for determination of conductivity and total
dissolved solids
NTC Thermistor (built-in)
• Ensures that readings are compensated for temperature variations