Closing The Enclosure; Torque Specifications For Enclosure Fasteners; Sealing The Enclosure - Mettler Toledo IND231 Manual De Instalación

2.6.

Closing the Enclosure

After all work has been completed inside the terminal, the enclosure must be closed. Tighten the
screws to secure the cover in place – refer to Opening the Enclosure on page 2-1.
2.6.1.

Torque Specifications for Enclosure Fasteners

The enclosure fasteners should be tightened to the following specification:
2.7.

Sealing the Enclosure

When the IND231/IND236 terminal is used in a metrologically "approved" application, it must be
protected from tampering by use of a seal. The enclosures use only a wire security seal, which is
included with the terminal.
The following must be true for the terminal to be sealed:
For sealing details of the IND231/IND236 terminal, refer to Figure 2-42 and follow these steps:
1. Ensure that the appropriate approval region has been selected in setup under F1.1.2 Approval.
2. With the front panel installed on the enclosure and the fastening screws installed, thread the
2-22 METTLER TOLEDO IND231/IND236 Installation Manual
IND231: 1.5 Nm
IND236: 5.5 Nm
A scale base must be connected to the terminal via the load cell cable gland, and the

enclosure housing and cable glands properly fastened.
Sealing must prevent removal from the terminal of media holding calibration data.

Sealing must prevent access to the configuration of all metrological significant features.

free end of the wire seal through the sealing screw of IND231/IND236, and through the hole in
the sealing feature on the enclosure (Figure 2-42).
Figure 2-42: Seal Installation, IND231 (left) and IND236 (right)
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