INST.No.INE-508-P0
-7-
4.1 Protective case Model: IR-ZEPW
When the detector unit is placed under such hostile environment as high temperature, high
humidity, smoke, dust, oily smoke, etc., this protective case is used for housing the detector
unit.
At the cooling-water inlet/outlet and the purge air inlet, R1/2 screws are used.
Names Functions
Upper cover
Remove this cover to take or wire to the detector unit.
The detector unit is fixed to the protective case with 8 pieces of
M12 bolts.
Cable gland
It is used to pull in the connecting cable between the detector unit
and the relay box. With water-proof bushing
Inner purge air inlet
This air inlet is for keeping dust, steam, etc. from entering into the
detector unit by blowing air. The connection is by R1/2 screw. Use
clean air.
Purge air inlet
This air inlet is for keeping dust, steam, etc. from adhering to the
exchange window. The connection is by R1/2 screw. Use clean air.
Exchange window
This dust-proof glass is for the measurement window of the
detector unit. If the glass becomes dirty, it will become a cause of
an indication error. Since the glass is detachable, clean it if
necessary.
Cooling water
inlet/outlet
These are water inlet and outlet of cooling water and the
connection is by R1/2 screw. The inlet and outlet at the lower side
can be used reversely.
Fixing hole
This hole is for fixing the protective case to a mounting stand
(prepared by you). Fix the protective case with 6 pieces of M16
bolts.
4. Accessories
Cable gland
Upper cover
Inner purge air inlet
Cooling water inlet
Purge air inlet
Cooling water
inlet/outlet
Exchange window Fixing hole
Unit: mm
367
245
82
42
122
84
30
20
90
35
168
230
260
226
127
245 245
530
Cooling water outlet
Pressure 0.3MPa
max
Flow
1 ~ 5
ℓ
/min
Cooling
water
Temperature Lower
than 40°C at the outlet
Air Clean
air
Pressure 0.5MPa
max
Purge air
Flow 10
~
60N
ℓ
/min
