-1
7
-
press “
SET
” button to move the cursor, press “
”or “
” button to
change
current data value (
a
range:1m-100m
),
then
press and hold
“
SET
”
button to
save the set
a
value, and return
to
soil resistivity testing mode.
After
setting
a
value,
in
soil
resistivity
testing
mode,
press
the
“
START
” button to start testing
.
A
countdown display testing process
and
soil resistivity value is shown when
testing cycle is completed
.
As shown below, the measured soil resistivity is
53.38Ωm
and there are
157 sets of data
stored
. Press “
SET
” button, the earth
resistance
rC
of auxiliary current electrode
C
(H)
and earth resistance
rP
of
auxiliary voltage
probe
P
(S)
will be displayed,
then automatically
,
display
will
return to
measured soil resistivity
ρ
.
9
．
Backlight Control
After startup, press
"Light"
button to turn
backlight
on or
off. The backlight function is
helpful in dark situations---
power
consumption of backlight is about 25mA. It will default
to
backlight
turn
ed
off
after
each startup.
10
．
Alarm Settings
After startup, rotate
FUNCTION
rotary switch to select function,
press button for a brief time to open or shut off alarm function
;
hold
for about 3 seconds to enter alarm critical value settings, press or
to change current
value.
P
ress button to store and exit. When
measurement value is
surpassed, the alarm function will open
--- the icon
will flash and an alarm will sound
.
In test mode, press
button for a brief time to lock current
displayed data, showing
,
icon and automatically store with
icon, and
serial numbers. If storage is full, the tester will display
then press button to remove lock.
As shown in the left figure below: the lock measurement data of soil
resistivity is 53.38Ωm, as the 28th group of data storage.
11. Data Lock Storage
