RKI Instruments 35-3001A-09 - Manual (Page 6)

2 • 35-3001A-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
H2S Ampli fi er
H2S Sensor
(inside bl ock)
Pump
Pump Connector
Oxygen Sensor
Terminal Stri p
Mounting
Foot, 4X
Oxygen Ampli fi er
+ W
T OXIC SIG/PWR
S OXY
Oxygen
Sensor
H2S Flow
Block
B G S
OXY
+ R S + +
AMP AMP 2
Fail LED
Pilot LED
Sensor Flow
Control Valve
Hydrophobic
Filter
Pressure Switch
Adjustment Screw
(behind PCB)
Pump Reset
Swi tch
Flowmeter
R
3/4" Conduit Hub
B G S
OXY
G W +
AMP 2
+
AMP 1
+ S
Flow Baffle
_
O
X
Y
G
E
N
B
Oxygen Flow
Block
This End To
Inlet Fitting
Interconnect
Terminal
Strip
LEL/ IR
W
W
Flowmeter Circuit
Board Connector
Exhaust
Fitting
Inlet
Fitting
LEL/ IR
Particle Filter
EXHAUST
INLET
Detector/Amp
Terminal S tri p
(Factory Wir ed)