Zero/Span Calibration Checks On Auto Range Or Dual Ranges - Teledyne 400E Instruction Manual

CALIBRATION PROCEDURES
7.5.1. Zero/Span Calibration Checks on Auto Range or Dual
Ranges
If the analyzer is being operated in Dual Range mode or Auto Range mode, then
the High and Low ranges must be independently checked.
When the analyzer is in either Dual or Auto Range modes the user must run a
separate calibration procedure for each range. After pressing the CAL, CALZ or
CALS keys the user is prompted for the range that is to be calibrated as seen in the
CALZ example below:
Analyzer enters
ZERO CAL Mode
See Table 5-1 for Z/S
Valve States during
this operating mode
Once this selection is made, the calibration procedure continues as previously
described in Section 7.2. The other range may be calibrated by starting over from
the main SAMPLE display.
178
SAMPLE RANGE = 500.0 PPB
CALZ
< TST TST > CAL CALS
SAMPLE RANGE TO CAL: LOW
HIGH
LOW
SAMPLE RANGE TO CAL: HIGH
LOW HIGH
ZERO CAL M RANGE = 500.0 PPB
< TST TST > ZERO CONC
Continue Calibration as per
Standard Procedure
Model 400E Ozone Analyzer
O3 =XXX.X
SETUP
ENTR SETUP
ENTR SETUP
O3 =XXX.X
EXIT
Instruction Manual
WAIT 10
MINUTES
Or until the
reading
stabilizes and
the ZERO button
is displayed
P/N 04316 Rev: B