Description – RKI Instruments 35-3001A-01-01 User Manual
Page 6

2 • 35-3001A-01-01 Methane Sample-Draw Detector
Description
This section describes the components of the methane sample-draw detector.
Figure 1: Methane Sample-Draw Detector Component Location
_
Pum p
Oxy gen
Sensor
Terminal
Strip
Mount ing
Foot, 4X
W
+
B
O
X
Y
G
E
N
S
PW R / SIG
Sensor
Curr ent
148mA
IR CH4
Sensor PCB
IR CH4
Flow Block
W
L EL
G
B
R
Test P oints
100-500 m V Range
Detector
Terminal
Strip
Pilot LED
Fail LED
Sensor F low
Control Valv e
Pum p R eset
Switch
Flowmeter
B
G
W
Int erconnec t
Terminal
Strip
A MP 2
S
+
S
A MP 1
+
R
+
W
G
OX Y
Hydrophobi c
Filter
Span Pot
Pum p C onnect or
Zero Pot
Particle
Filt er
Flowmeter C ircuit
Board Connect or
Exhaust
Fit ting
This End
To Inlet
Fit ting
L EL / IR
3/4" Conduit Hub
IR CH4
Sensor
(inside block )
Controller
Terminal Strip
Inlet
Fit ting
IR Amplifier
Factory Set Pots
INLET
EXHAUST
S
A MP 2
A MP
+
+
W
B
Pressure
Switch
Adjust ment
Screw
(behind P CB)
Detect or/Am p
Terminal Strip
(Factory
W ired)
L EL / IR
G
S
R
+
OX Y