GASSONIC OBSERVER-i
13
Figure 3: Mechanical Construction – External
3.2.
Mechanical Operation and Safety
When closing the top chamber ensure that the load strap and wires are not caught between the
bulkhead and the top part of the detector. Check the status of the O-ring and the flame path. Replace
the O-ring if damaged. Consult the factory for repair if the flame path is damaged.
NOTE:
The ambient temperature is limited to -40ºC to +60ºC. The performance of the Gassonic
Observer-i Ultrasonic Gas Leak Detector, as a safety device per clause 1.5 of Annex II of the ATEX
Directive 94/9/EC, is not covered by the ATEX certificate.
3.2.1. Specific conditions of use
•
The Class A2-70 M6x1x20 screws connecting the bulkhead flange joints must be tightened to
9 Nm using a torque wrench.
•
Consult the manufacturer if dimensional information on the flameproof joints is necessary.
•
Do not open when an explosive atmosphere is present. Read and understand this instruction
manual before operating or servicing.
WARNING
: The inner six screws should not be unscrewed and the bottom chamber should not be
opened. The warranty will be void if the bottom chamber is opened.
Danger of electro-static sparking. Clean non-metallic parts only with a damp cloth.
