Description, External components – RKI Instruments 35-3001-09 User Manual
Page 6

2 • 35-3001-09 Oxygen/Hydrogen Sulfide Sample-Draw Detector
Description
This section describes the components of the oxygen/hydrogen sulfide sample-draw detector.
Figure 1: Oxygen/Hydrogen Sulfide Sample-Draw Detector Component Location
External Components
This section describes the sample-draw detector’s external components.
Housing
The sample-draw detector’s fiberglass housing is weather- and corrosion-resistant. It is suitable for
W
+
G
B
R
+
OXY
S
AMP 2
+
S
G
B
AMP 1
+
AMP 2
S
S
R
+
W
G
OXY
H2S Ampli fi er
Mounting
Foot, 4X
Oxygen Sensor
Terminal Stri p
Pump Connector
AMP
+
Oxygen
Sensor
H2S Flow
Block
Pump
H2S Sensor
(inside bl ock)
+
3/4" Conduit Hub
Pressure Switch
Adjustment Screw
(behind PCB)
Hydrophobic
Filter
Flowmeter
Pump Reset
Swi tch
Pilot LED
Fail LED
Sensor Flow
Control Valve
Flow Baffle
Oxygen Flow
Block
B
O
X
Y
G
E
N
_
Interconnect
Terminal
Strip
This End To
Inlet Fitting
Flowmeter Circuit
Board Connector
W
LEL/ IR
W
LEL/ IR
Inlet
Fitting
Exhaust
Fitting
Particle Filter
INLET
EXHAUST
Detector/Amp
Terminal S tri p
(Factory Wir ed)