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Operations/Analysis Unit 4
Teledyne Analytical Instruments
A Business Unit of Teledyne Electronic Technologies
15 VDC Coarse
Zero
Control
Sel e c t o r
Swi t c h
MEAS
REF
ZERO
Pow e r Line Voltage
Reg u l a t o r
Transformer
5A
S1
115 VAC
60 Hz
Inpu t
From Detector Module
Preheater
Temp.
Control
Sa mp l e
Module
Temp.
Control
Detec tor
Module
Temp.
Control
Thermistor
and Heater
Thermistor
and Heater
Thermistor
and Heater
To Log Amplifier
To Meter Driver
115 VAC to
Sou rce Mod ule
115 VAC to
Detector Module
Figure 4-3 Power Module - Block Diagram