This controller is intended for the continuous measurement and control
of the gases present in the atmosphere.
The Surveyor 4B (or SV
4B) is intended for indoor use only and shall be installed in premises without explosive
atmospheres.
The central controller is intended for use in areas that meet the Class II requirements for overvoltage and degree of pollution
2. Surveyor 4B is Class II equipment.
The device has been designed and tested for class II insulation (between dangerous voltages
and SELV1).
Surveyor 4B is equipped with a small "NORMAL" box (58
x 105 x 90 mm). It can be snap- fastened onto a standard symmetrical DIN rail and
should imperatively be integrated in a closed
electrical equipment cabinet with protection class IP20, providing fire
containment according to IEC 60695-2-11 and in accordance
with the electrical standards of the country of installation.
The components used in operation
are located on the front of the appliance:
·
adjustments and tests on the top (Item 1, Figure 1),
· indicator lights on the FRONT face (Item 2,Figure 1),
· connections at the
bottom (Item 3, Figure 1).
