Certificate history:
This certificate is issued as verification that a sample(s), representative of production, was assessed and tested and found to comply with the IEC Standard list below and that the manufacturer's quality system, relating to the Ex products covered by this certificate, was assessed and found to comply with the IECEx Quality system requirements. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.
This Unit verification certificate is issued as verification that the Apparatus identified on page 1, was assessed and tested and found to comply with the IEC Standard list below. This certificate is granted subject to the conditions as set out in IECEx Scheme Rules, IECEx 02 and Operational Documents as amended.
STANDARDS: The electrical apparatus and any acceptable variations to it specified in the schedule of this certificate and the identified documents, was found to comply with the following standards:
As this is a Unit Verification Certificate, no QAR is applicable as this certificate is specific to the items listed by serial number or other unique identification.
The Natural Gas Sampling Pre-Heater consists of a solid metal cylinder with an embedded coil through which the gas to be heated is passed. Holes are drilled in the centre of the cylinder into which a heater cartridge and temperature sensor are fitted. Electrical connections are made in a chamber on top of the cylinder which is then fully encapsulated and sealed with a metal lid.The electrical supply to the heater is rated at 110-265V ac and up to 5A.