Edwards ELD500 Series, Instruction Manual

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D13510840D - Calibrated leak - internal
Page 55
Calibrated leak - internal
Description
General
These operating instructions contain important information on how to mount the test leak
CL - Internal.
Unpack the calibrated leak CL - Internal immediately after delivery, even if it is to be put into
operation at a later date.
Check the calibrated leak CL - Internal for completeness (see Supplied parts ) and carefully
examine it visually. If any damage is discovered, report it immediately to the forwarding
agent and insurer. If the damaged part has to be replaced, please get in touch with the orders
department.
Technical Data
Purpose
The calibrated Leak CL - Internal with the helium reservoir is used for alignment of the helium
mass spectrometer in the helium leak detector as well as for calibrating the leak rate
indication.
It is equipped with a solenoid valve which is actuated via the control electronics of the leak
detector.
Note:
Indicates special technical requirements that the user must comply with.
Note:
The shipping container and packaging materials must be kept in the event of complaints about
damage.
Nominal calibration range 10
-7
mbar l/s
Tolerance of nominal calibration range ± 15%
Temperature coefficient < 0.5% / °C
Leak type Capillary
Calibrated for Helium
Filling Helium
Filling pressure 2.9 bar
Connecting flange Special adaptor