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1) Battery cover
2) DIN connector for electrode
3) Offset calibration trimmer
4) Slope calibration trimmer
5) Temperature calibration trimmer
6) Mode indicator
7) Liquid Crystal Display
8) ON/OFF key, to turn the meter on or off
9) RANGE key, to visualize the temperature
HI 9210N
ATC
pH METER
ON/OFF
RANGE
RANGE
pH:
°C:
0.00 - 14.00
0.0 -70.0
pH
6
7
8
9
2
1
3
4
5
FUNCTIONAL DESCRIPTION SPECIFICATIONS
Range 0.00 to 14.00 pH / 0.0 to 70.0°C
Resolution 0.01 pH / 0.1°C
Accuracy (@20°C/68°F) ±0.02 pH / ±0.5°C
pH Calibration Manual, 2 point, through offset & slope trimmers
Offset: ±1 pH / Slope: 85 to 105%
Temperature Compensation Automatic, 0 to 70°C
Electrode HI 1217D, with built-in temperature sensor and amplifier,
DIN connector and 1 m (3.3’) cable (included)
Battery Type 4 x 1.5V AA
Battery Life Approx. 2000 hours of continuous use
Environment 0 to 50°C (32 to 122°F); RH max 100%
Dimensions 196 x 80 x 60 mm (7.7x3.1x2.4’’)
Weight 500 g (1.1 lb.)
• The meter is supplied complete with batteries. Remove the back cover
and install the batteries, while paying attention to their polarity.
• For better accuracy, make sure that the instrument is calibrated (see
“Calibration” section for details).
• Connect the HI 1217D electrode to the DIN connector on the top of the
instrument and press the ON/OFF key.
• To take a pH measurement, remove the electrode protective cap and
simply submerge the tip (4cm/1½") of the electrode into the sample.
• If necessary, press the RANGE key until the display changes to the pH
mode, and allow for the electrode to adjust and stabilize.
• Since the pH electrode also features a built-in temperature sensor, pH
measurements are automatically adjusted for the temperature effect.
• To take temperature measurements, press the RANGE key to enter
temperature mode, dip the supplied electrode (with built-in temperature
sensor) in the sample and allow for the reading to stabilize.
• After use, switch the instrument off, rinse the electrode with clean water
and store it with a few drops of storage (HI 70300) or pH 7 buffer
solution in the protective cap.
OPERATIONAL GUIDE