Hach ORBISPHERE 366 Series, Basic User Manual

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Figure 5 Cable gland fitting
1 Cable 5 O-ring
2 Shield 6 Washers
3 Instrument 7 Gasket
4 Wire 8 Gland nut
1. Unscrew the gland nut. Inside there is a rubber seal, a metal washer with a 8.3 mm hole, and
another metal washer with a 7.5 mm hole.
2. Pass the cable through the nut, the gasket, and the 8.3 mm hole washer.
3. Strip off external insulation as required, and 25 mm of shielding. Strip the wires about 8 mm from
their ends.
4. Pass the cable through the 7.5 mm hole washer.
5. Squeeze the shield between the two washers (see Figure 5 ).
6. Pass the cable into the box, blocking the cable gland.
7. Tighten the cable gland nut.
8. Strip the wires about 8 mm from their ends.
9. * Solder a 1 mm
2
yellow/green cable on the cable shield end.
10. * Solder a 3 mm eyelet at the end of this cable.
11. * Attach it to the nearest ground screw.
12. Connect the wires in accordance with diagram in this section.
Note: * = only for 3662EX installed inside hazardous area
4.3 Instrument housing
The 3660EX or 3662EX instruments are designed for indoor as well as outdoor use. They are
housed in a watertight, stainless-steel enclosure designed to be installed in the safe or the hazardous
area, depending on model. The instrument case is surface mounted, either to a wall or a process
control panel, by four attachment points. Both instruments case have the same size, same mounting
dimensions and spacing needs (3660EX instrument illustrated).
12 English