6.5.2 Mounting Kit for Pipes with a Diameter from 50 mm up to 150 mm
1. Mounting plate 2. Pipe clamps
6.6 Remote Calibration Adapter (CalGard)
NOTE: Operating the remote calibration adaptor CalGard together with the gas detector model S 47K-PRP is included
in the EC-Type Examination Certificates DMT 01 ATEX G 001 X, BVS 03 ATEX G 010 X, DMT 03 ATEX G 003 X, BVS
16 ATEX G001 X, FTZU 07 ATEX E 0066 X and INERIS 00 ATEX 0028 X.
The CalGard stainless steel remote calibration adaptor provides reliable operation of remotely installed gas detectors
working under harsh environmental conditions. Additionally, the CalGard allows remote verification ("bump test") or
instrument calibration of gases listed in Section 6.6.2 via a hose connection in the presence of wind speeds up to 6
m/s. In normal measurement operation, the ambient air passes through the air vents into the remote calibrator directly to
the sensor (diffusion operation). During a bump test or instrument calibration, the test gas is supplied to the sensor via
the hose connection at the bottom of the CalGard. An integrated mechanism prevents the dilution and dispersion of test
gas otherwise caused by external influences, such as wind. This allows a fast response from the sensor to the applied
test gas. To compensate for possible deviations during measurement of flammable gases a calibration factor of 1.05
shall be applied when using the CalGard for remote calibration.
21 Series 47K GB
6 Accessories
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