3. Product Components
3-3. Names and functions for each part
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<Exterior of Main Unit>
(1)
Display
Display the gas concentration and so on.
(2)
Sensor unit nameplate
display window
The sensor unit nameplate can be checked from this window.
You can identify the currently attached sensor unit.
(3)
Knurled screw
Fix the front cover. This is used to open/close the front cover.
(4)
External terminal plate
Connect cables for external signals (4 - 20 mA) and contacts.
(5)
Sampling gas inlet/outlet
GAS IN: Connect a sample gas suction tube.
GAS OUT: Connect a sample gas exhaust tube.
(6)
Power switch
Main power switch. Turn the AC power ON/OFF.
(7)
Power terminal plate
Connect cables for power.
(8) Fuse
Main
fuse.
(9)
LAN connector
Connect a LAN cable.
(10) Protective
grounding
Protective grounding
（
CE marking specification only
）
(1)
(3)
(2)
(5)
(4)
(6)
(8)
(9)
(7)
(10)
