RKI Instruments GD-K71D - Manual (Page 13)

PT2E-1052
12
３−５．Block Diagram
３−５−１．Electric diagram
３−５−２．Tubing diagram
Flow Monitor
Sensor Amplifier unit
Control
unit
Display
(PW/TR)（ALM1）(ALM2)（SKIP)
Operation part
（MODE） （FLOW ADJ./▲▼） (TEST/SET)
Air Tank
Pump
Sensor
Low flow
sensor
Pump
POWER INPUT (DC24V)
Power supply part
Gas alarm contact (ALM1,ALM2)
Trouble alarm contact
(TROUBLE)
*Standard Setting
・Normally de-energized
(Energized at an alarm)
・Normally-open contact
(Contact closes at an alarm)
Alarm contact control part
4∼20mA transmission
Transmitter
Low flow
sensor
Gas ＩＮ Gas ＯＵＴ