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Stationary Photoionization Detector SPID2
User Manual
SPID2 - User Manual (en) - 1.11.docx
Analytical Control Instruments GmbH, Volmerstraße 9A, D-12489 BERLIN, Germany, www.aci-berlin.de
Version 1.11
Page 19 of 60
6.1.1.
Calibration Procedure
Calibration Methods
The device supports two different methods for calibration. (
Standard Calibration
with SPAN Gas
[Isobutene in air] and
Extended Calibration
with SPAN Gas [User gas in air] with known concentration)
Which calibration method is carried out, depends on the measurement task, e.g. overview
measurements, workplace monitoring, control measurements, worst-case measurements,
environmental measurements and emission measurements.
Both calibration data for
Extended Calibration
and
Standard Calibration
are stored
independently of one another. Via the Instrument Menu >> MEAS CONFIG, the user can
choose most appropriate calibration data setting for his measurement application.
Both calibration methods using a two-point-calibration, which can be performed as a manual or an
automatic calibration.
Manual Calibration Mode
•
Both, fresh air (ZERO Gas) and calibration gas (SPAN Gas) must be applied successively to the
Sample Port
–
Gas Input.
•
The user will be asked for applying the right gas during the calibration sequence.
Automatic Calibration Mode
•
Only, calibration gas (SPAN Gas) must be applied to the Sample Port
–
Gas Input.
•
Fresh air (ZERO Gas) will taken automatically from the Filter Port
–
Cartridge.
•
The device selects the gas input automatically during the calibration sequence.
After starting any calibration, calibration gas [ZERO or SPAN Gas] must be applied until
calibration step is finished. The calibration procedure can be cancelled at any time by
pressing “abort”. The previous device calibration will be used.
How To
–
Start Calibration
1.
Go to the Instrument Menu and select CALIBRATION
2.
Select “run” to
go to calibration screen and select START (Start new calibration)
3.
Press “accept” to start new calibration and follow the instructions on the screen