Table of Contents
Advertisement
CALIBRATION PROCEDURES
7.5. Manual Calibration Check with IZS or Zero/
Span Valve Options Installed
To perform a manual calibration check of an analyzer with an IZS Option installed,
use the following method.
While the internal Zero Span Option is a convenient tool for performing
Calibration Checks, its O
a source of Zero Air or Span Gas for calibrating the instrument.
Calibrations should ONLY be performed using external sources of Zero
Air and Span Gas whose accuracy is traceable to EPA or NIST
STEP ONE: Connect the sources of Zero Air and Span Gas as shown below.
Figure 7-4: Pneumatic connections for Manual Calibration Check with Z/S Valve
176
generator is not stable enough to be used as
3
MODEL 701
Zero Air Generator
MODEL 700
Gas Dilution Calibrator
(w/ Photometer Option)
or
VENT
MODEL 401
Ozone Generator
MODEL 701
Zero Air Generator
NOTE
standards.
Option 51 - Internal Zero/Span Option
Source of
VENT only if input is pressurized
SAMPLE Gas
Sample
Exhaust
Span
Zero Air
Dry Air
VENT
Option 50 - Zero/Span Valve Option
Source of
SAMPLE Gas
VENT only if input is pressurized
Sample
Exhaust
Span
Zero Air
VENT
Dry Air
or IZS Options
Model 400E Ozone Analyzer
Instruction Manual
(IZS)
MODEL
400E
MODEL
400E
P/N 04316 Rev: B
Advertisement
Table of Contents
