Instruction Manual
39
4
Remove   the  cover 
  from  the  bottom 
of  meter  to  expose 
the   electrode.
Electrode 
3. 
The meter is default in auto-ranging
status once powered on. 
Auto-ranging determines and selects 
a range which gives you the greatest 
resolution and accuracy.  Alternatively, 
you can manually select the ranges. 
For example, if you prefer the meter 
to display a reading as 0.50 mS 
instead of 500 µS, you just need to 
press “ “ m
select 19.99 mS range when you 
are in normal measurement mode.
ore than 2 seconds 
to 
NOTE: 
Accuracy is a percent of full-scale, 
so using your meter in the lowest 
range will result in the greatest 
accuracy.
The LCD w
ill display E02/E03 if the 
measured value is below or over the 
limit value, please re-select the range.
1.
2.
See page 12 
for the detail
2. Press SET to turn the pen on. 
3. The pen defaults to auto-ranging mode. 
The auto-ranging function determines 
and selects a range that 
will provide the greatest resolution 
and accuracy.
4. The pen also provides a manual range 
option. For example, to view a reading 
of 0.50 mS rather than 500 uS: From 
Measurement Mode, press ▲ for more 
than 2 seconds to select the 19.99 mS 
range. See page 31 for instructions on 
manually selecting the range.
Note... 
Accuracy is a percent of full-scale; use 
your pen in the lowest range to achieve 
the greatest accuracy. Error codes 
E02/E03 will appear on the LCD if the 
measured value is below or above the 
limit value. Please re-select the range. 










