Hanna Instruments hi 98101 User Manual

pHel

     

pHel

     

pHel

     

pHel

     

or 1½ inch) into the so-
lution. Under no circum-
stances the immersion
shall be above 8 cm or
3 inches. Stir gently and
wait until the display sta-
bilizes.
If the electrode is dry,
allow a few minutes for
the reading to stabilize.
For best results, recalibrate peri-
odically using fresh calibration
buffers.
• Do not be alarmed if white crys-

tals appear around the cap.
This is normal with pH elec-
trodes and they dissolve when
rinsed with water.

• If the electrode is dry, soak it in

tap water for a few minutes.

• After use, rinse the electrode

with water to minimize con-
tamination.

• Store the elec-

trode with a few
drops of 

Storage Solution
in the protective
cap.

DO NOT USE DISTILLED OR

DEIONIZED WATER FOR

STORAGE PURPOSES.

Always replace the protective
cap after use.

• Dip the tip of the elec-

trode (4cm/1½") of 

pHel

in a sample of pH 7.01
buffer (from 

Calibration Kit). Allow
the reading to stabilize.

• Adjust the pH 7 trimmer

until the display reads
"

7.0

".

Specifications
Range

0.0 to 14.0 pH

Resolution

0.1 pH

Accuracy

±0.2 pH

(@20°C/°68F)
Typical EMC

±0.2 pH

Deviation
Calibration

Two points

through trimmers

Environment

0 to 50ºC (32 to

 122ºF), 95% RH

Battery

2 x 1.4V

Life

3000 hours of

continuous use

Dimensions

200x28x20 mm

7.9x1.1x0.8"

Weight

46 g (1.6 oz.)

pHel

 is a very easy in-

strument to use. Simply
switch it on, remove the
protective cap and im-
merse the tip of the elec-
trode (the bottom 4cm