Description – RKI Instruments 35-3001A-11 User Manual
Page 6

2 • 35-3001A-11 Hydrogen Sample-Draw Detector
Description
This section describes the components of the hydrogen sample-draw detector.
Figure 1: Hydrogen Sample-Draw Detector Component Location
B
O
X
Y
G
E
N
_
Pum p
Oxy gen
Sensor
Terminal
Strip
Mounting
Foot, 4X
Zero Pot
W
+
S
PW R / SIG
Hydrogen
Flow
Bloc k
Test P oints
100-500 m V Range
Fail LED
Sensor F low
Control Valv e
Pilot LED
Pum p R eset
Switch
Flowmeter
W
Int erconnec t
Terminal
Strip
+
A MP 1
+
A MP 2
S
S
R
+
W
G
OX Y
G
L EL / IR
Hydrophobi c
Filter
Flowmeter C ircuit
Board Connector
Span Pot
Pum p C onnector
Particle
Filter
B
Hydrogen
Sensor
Inlet
Fitting
Exhaust
Fitting
This End
To I nlet
Fitting
Detect or
Terminal
Strip
Sensor
Curr ent
148mA
3/4" Conduit Hub
Hydrogen
Amplifier
Controller
Terminal Strip
W
L EL
G
B
R
Factory Set Pots
INLET
EXHAUST
S
A MP 2
A MP
+
+
W
B
Pressure
Switch
Adjustment
Screw
(behind P CB)
Detect or/Am p
Terminal Strip
(Factory
W ired)
L EL / IR
G
S
R
+
OX Y