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.
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 Cello 6 V2 Meter Reader is powered from a single Tadiran TL-6930 lithium cell and is primarily designed for connection to a gas meter, gas volume corrector or flow computer. Communication with the Cello 6 is achieved either locally using an infrared link when in the non-hazardous area or remotely in either the non-hazardous or hazardous areas using the built in GSM communications for connection to the mobile phone network. The equipment comprises:
Connectors are provided to enable connection to simple apparatus and other, externally located, intrinsically safe equipment. The Cello 6 V2 Meter Reader has the following safety description:
Issue 1 - this Issue introduced the following change: