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INZ-TN1ZSS-E
6.2.2 Span calibration
(1) If the power is OFF, turn it ON.
(2) Check if the flow of span gas is approximately 1.5L/min.
(3) Display the “Span Calibration” screen.
(4) Point
the to “Component”, and press the
key.
(5) Press
the
key or the
key to select the measured gas component to be span-calibrated.
When there is only one component, it is not necessary to select.
(6) When there are two ranges, select either “Range1” or “Range2”.
(7) Point
the to “Cell Length”, and press the
key.
(8) Enter the length of calibration gas cell. Standard cell length is 1000mm. (When the range is low con-
centration, the length of calibration gas cell can be either 500mm or 200mm.)
(9) Point
the to “Cal.Gas Value”, and press the
key.
(10) Enter the concentration value inscribed on the gas cylinder.
(11) Point the to “Gas Temp.”, and press the
key.
(12) Connect the thermometer to the pipe. When output signal (4 to 20mA) is entered in the AI terminal of
the control unit, read the temperature value on the “Measurement” screen and enter the value.
(13) Enter the value in “Gas Press.” in the same manner of “Gas Temp”.
(14) See the value of “Meas.” At the “Span Calibration” screen, and make sure that the value is not com-
pletely different from that of “Cal.Gas Value”, and the indication value is stable.
For easily-absorbed
gases such as HCL, it requires a certain length of time to be stabilized.
(15) Point the to “Span Cal.Start” and press the
ENT
key to start span calibration.
(16) “Span Cal.Start” blinks for about 30 seconds.
(17) When the calibration is completed, the cursor moves to “Cal.Finish”, and the current date is displayed
at “LastCal.Day”.
(18) When there are two ranges, replace the gas cylinder, and repeat the procedure in (6) to (17).
(19) After span calibration is completed, change gas in the gas cylinder to zero gas, and feed it for about 20
minutes.
2007-4-1
12:00:00
Span Calibration
2006/09/01
00.12
1000
mm
ppm
10.02
ppm
0025
℃
kPa
HC
ℓ
- 00.50
Cal. Range
Range1
Span Cal.Start
Cell Length
LastCal.Day
Cal.Finish
Meas.
Cal.Gas Value
Gas Temp.
Gas Press.
Component
Содержание FE ZSS
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