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 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 following intrinsic safety (entity) parameters apply to the above types:
These devices are intended for use only as specified in the installation manual as follows:
Uo ≤ Ui Io ≤ Ii Po ≤ Pi Lo ≥ Li Co ≥ Ci
Issue 1: The scope of this investigation is limited to the Applicant's name being changed from Otto Controls, Division of Otto Engineeringto Otto Communication, Division of Otto Engineering. No technical changed were made to the devices.
Issue 2: Modifications made to internal circuitry requiring changes to the Li entity parameters. Removal of two models for the speaker/mic.