Teledyne 6200T - Sulfides Analyzer - Manual (Page 194)

Calibration Procedures Model 6200T Total Sulfur Analyzer
Teledyne Analytical Instruments 194
9.4. Manual Calibration with Zero/Span Valves
Zero and Span calibrations using the Zero/Span Valve option are similar to that
described in Section 7.2, except that:
 Zero air and span gas are supplied to the analyzer through the zero gas and
span gas inlets rather than through the sample inlet.
 The zero and cal operations are initiated directly and independently with
dedicated buttons (CALZ and CALS)
STEP ONE: Connect the sources of zero air and span gas to the respective ports on the
rear panel (refer to Figure 3-1) as shown below.
External Zero
Air Scrubber
Filter
Source of
SAMPLE Gas
VENT if input is pressurized
MODEL 700
Gas Dilution Calibrator
(with O
3
generator option)
VENT
SAMPLE
ZERO AIR
EXHAUST
SPAN 1
Calibrated
SO
2
Gas
(At high
concentration)
Needle valve
to control flow
VE
NT
MODEL 701
Zero Air
Generator
Chassis
Figure 9-5: Setup for Manual Calibration with Z/S Valve Option Installed (Step 1)