13
↓
HOLD PUMP KEY
Press
PUMP
for about 3 sec.
↓
PUMP POWER OFF
(Pump stop operation)
Release
PUMP
switch after pump off.
Pump
:
Stop
→
Operation
PUMP POWER OFF
Pump power off
↓
HOLD PUMP KEY
Press
PUMP
for about 3 sec.
↓
PUMP POWER ON
Display for about 5 sec. Release
PUMP
switch
↓
after pump running.
0.0%LEL 20.9%
(
Pump running
)
3−8.
Measurement completion
(1)
Treatment after measurement
Roll up the sampling tube in a round bundle so that any bent or twist can not be made carefully.
Make air cleaning for minimum 5 seconds until the reading comes nearby to zero point under
condition that the sampling tube is connected with instrument by sucking fresh air.
(2)
Power OFF
While pressing the power switch for about 5 seconds, the power will be off.
While pressing the power switch off, the buzzer will sound for about 15 times.
Caution
・
Do not forget to do air cleaning.
When neglect the air cleaning, the following will take place and will be a cause
for trouble.
①
If water, oil and mist are left and condensed in dust, much of water and oil
shall be sucked into instrument at the next measurement time.
②
As HC vapors may be absorbed completely, there will be a trouble for next
time measurement.