Specifications

M
AINTENANCE AND
T
ROUBLESHOOTING
748410-A
August 1999
33
Chemiluminescense Detector Analyzer Module
Rosemount Analytical NGA 2000
4
O-Ring 854540
Sapphire Window
Cushioning Gasket
Tubing Cover
Heater
*
Heater
*
Thermostat
*
Reaction Chamber
Retainer Gasket
M3X0.5 x 25mm Screw (2)
3mm Spring Washer (2)
O-Ring 876478
Photodiode Assembly
(see detail below)
M3X0.5 x 20mm Screw (2)
3mm Sprin
g
Washer
(
2
)
Detector Cover
M3X0.5 x 16mm Screw (2)
3mm Sprin
g
Washer
(
2
)
Photodiode
Cable
Lower Cover
Insulator
(between Lower Cover
and Mounting Bracket)
Nylon Shoulder
Washers
(
3
)
Photodiode Case
Ground
M3X0.5 x 16mm
Screw
(
3
)
Thermistor
655216
Photodiode
655258
Thermistor Spacer
Thermistor Shim
Photodiode Socket Assembly
Assembl
y
of Photodiode
No. 6 Flat Washer
(
2
)
*
Heater/Thermostat Assembly 655235.
Detector Header
M3X0.5 x 16mm Screw (2)
3mm Spring Washer (2)
Photodiode
Ozone
Detector Mounting
Bracket
Photodiode Socket
Assembly
Thermistor
Assembly
Reaction
Chamber
Sapphire
Window
Exhaust
Sample
F
IGURE
4-3. D
ETECTOR
A
SSEMBLY