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Operations/Analysis Unit 4
Teledyne Analytical Instruments
A Business Unit of Teledyne Electronic Technologies
15 VDC
Coarse
Ze r o
Control
Se le c t o r
Swi t c h
MEAS
REF
ZERO
Po w e r
Line Voltage
Re g u la t o r
Transformer
5A
S1
115 VAC
60 Hz
Inp ut
From Detector Module
Preheater
Temp.
Control
Sa m p le
Module
Temp.
Control
Detector
Module
Temp.
Control
Thermistor
and Heater
Thermistor
and Heater
Thermistor
and Heater
To Log Amplifier
To Meter Driver
115 VAC to
So u rc e Mo d u le
115 VAC to
Detector Module
Figure 4-3 Power Module - Block Diagram