Vaisala PTB220 Series Guía de usuario Pagina 80

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USER'S GUIDE_______________________________________________________________________
74 ___________________________________________________________________ M210194EN-A
EN 61326-1:1997 +Am 1:1998, Electrical equipment for
measurement, control and laboratory use - EMC requirements;
Generic environment.
Test methods:
Emission
Radiated emissions CISPR16 class B (CISPR22 Class 22)
Immunity
Electrostatic discharge (ESD) EN/IEC 61000-4-2
EM field EN/IEC 61000-4-3
EFT Burst EN/IEC 61000-4-4
Surge EN/IEC 61000-4-5
Conducted RF EN/IEC 61000-4-6
Options
Analog output module
Output range 0...5 V *, 4...20 mA
Resolution 4 Pa
Total accuracy (15...30 °C)
Class A ± 0.25 hPa
Class B ± 0.30 hPa
* Factory setting
Load resistance for the voltage output is 10...500 k and for the
current output it is 0...500 .
(The module provides a secondary barometer output and it is supplied
without a calibration certificate.)
Accessories
With the PTB220CASE, barometers can be converted into portable
units to be used as traveling and transfer standards. Please note that
the barometer must have the following features:
1, 2 or 3 pressure transducers
class A accuracy
local display
RS232/485 serial interface
Quick connector 19886 Gasket
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