Detection unit – RKI Instruments GD-K7D2 (115 VAC) User Manual
Page 7

Model GD-K7D2 (115 VAC) Sample Draw Transmitter • 3
The flow light and flowmeter are visible through the cover. The flow rate potentiometer
(pot) is accessible through cover.
Figure 2: GD-K7D2 Cover Components
Detection Unit
The detection unit includes the main circuit board, flowmeter, gas sensor, amplifier,
pump, and lithium battery pack.
Figure 3: Detection Unit Component Location
GAS DETECTOR
MODEL
GD-K7D
FLOW
ADJ.
Flowmeter
Flow light
Flow rate
potentiometer
ID card holder
Gas name
card holder
Thumbscrew
TP1 (+)
TP2 (+)
mA
Output
Factory Adjust Pot
Gain Pot
(Factory Adjust)
Span Pot
Zero Pot
Low Flow
Sensor
Flowmeter
Factory Adjust Pot
ON/OFF Switch
Flow Rate Pot
Flow Light
Lithium Battery
Pack
Gas Sensor
Sample Adapter
Sensor Retaining
Clamp
Main Circuit Board
Fuse
Captive Retaining Screw
Amplifier
Pump
Bracket
Pump
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