9
3-1-3 Internal parts
①
Power switch A switch to turn the instrument ON or OFF.
②
Fuse A fuse to protect the power supply system.
rating: AC 125V 5A normal fuse
③
Terminal block A terminal block to connect RI-2000W and external
devices.
④
Detector A NDIR type N
2
O gas detector (Sensor).
⑤
Pump A pump to aspirate gas.
⑥
3-way solenoid valve A valve to switch gas (zero gas and sampling gas) to
aspirate.
⑦
Flow rate adjuster A screw to adjust flow rate.