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INZ-TN7ZSS-E
6.2 Span calibration
Select the “Span Calibration” from the “Menu” screen and press the
key.
6.2.1 Preparation
If toxic fume, corrosive gas or inert gas is used as calibration gas, be
sure that the position of air ventilation or exhaust port is suitable.
Oth-erwise you may inhale exhaust gas.
Suffocation, brain disorder, circulatory deficit, or contraction of the
breathing system may occur, resulting in death.
The laser beam is the invisible infrared light. Do not watch the laser
beam directly or scattering light.
Do not watch the laser beam directly with the optical measuring
device. Otherwise, it may cause serious damage to your eyes.
If you want to change other than zero gas to the span gas, same procedure in “6.1.1 Preparation” is taken.
(1) After zero calibration is carried out, perform the span calibration.
(2) Stop the flow of zero gas, and switch it to span calibration gas.
(3) When using toxic fume, pay attention to the position of the exhaust port in order to avoid inhaling of
the exhaust gas.
(4) When pipe connection and exhaust are completed, allow the gas to flow.
(5) Flow of sampling gas should be 1.5L/min.
Note) Use a new regulator as much as possible. Do not use the regulator that was used for alkaline gas like
ammonia for acid gas like HCl. Otherwise, gas adsorbs inside the regulator and the indication value
may become unstable.
Note) For HCl, when you bring a gas cylinder which has been unused for long period into use or a new gas
cylinder, it takes time until the indication value is stabilized. Supply gas for a while until it is stabi-
lized.
Note) When the indication value does not change, even if you supply gas for several tens of minutes, the in-
side of the regulator may be in rust. Replace it with the new one.
ENT
2006-04-01
12:00:00
Span Cal.Start
Cal.Finish
0.000
0500
mm
ppm
0020.80
ppm
0025
°C
kPa
HC
00.00
Range 1
2010/03/29
2006-04-01
12:00:00
Menu
Zero Calibration
Alarm Log
Display/Output
Pasword
Parameter Setting
Input Signal
Span Calibration
Alarm Setting
AO Select
Output Hold
Analyzer Information
Component
Cal. Value
Cell Length
Cal.Gas Value
Meas.
Gas Temp.
Gas Press.
LastCal.Day
Span Calibration
DANGER
CAUTION
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