Hach 1950Plus Instrument Manual page 148

Uv process toc analyzer
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Appendix A
Figure 55 TC Conversion Flow Diagram—no Dilution (Two-lamp Analyzer Shown)
Condenser
To Vent
GLS
To
Waste Drain
Inlet Manifold
Persulfate
Acid
Span
NC
NC
V3
Zero
NO
NC
V2
Clean
NO
V1
Sample
NO
Dilution
(Optional)
Carrier
Gas
Pressure
Switch
Stream 2
NC
V4
NO
Optional
Dual Stream
Valve
Stream 1
Pressure Regulator
Page 148
TC Conversion
astro
DETECTOR BLOCK ASSEMBLY
P/N 120045
-
05
CAUTION
CONSULT SERVICE MANUAL
BEFORE VENTING DETECTOR
BLOCK COMPARTMENT.
Sparger
Acid
Pump
Sample
Pump
Sparger Orifice
A
See Detail
Pump Bracket Assembly
Hydrophobic
Flowmeter
Filter
Flow Control Valve
CAUTION
IR Bench
Some analyzers may have
one lamp and a mixer volume.
Persulfate
Pump
UV Lamp
Resample
Pump
Pressure
Sensor
UVTOC_TC_conversion.fm
UV Lamp
Resample Block

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