<3. INSTALLATION, PIPING AND WIRING>
3-6
IM 12T03A01-02E
3.2
Installation of Density Converter
3.2.1
Installation Area
The density converter should be installed in the place described below;
• The vicinity of the sampling unit where maintenance or calibration is made easy. The density
converter is designed dustproof and rainproof structure so that it can be installed outdoors.
• However, when it is used with the Model VD6DF flameproof detector, it cannot be installed
the hazardous area, must be installed in the nonhazardous area. Further, when digital
output signal is used for a receiver, able length between the converter and the receiver
should be 10 m or less.
• Free from vibration.
Vibration may cause illegal contact in electric circuits.
• Avoiding from direct sunshine.
This instrument can be used in an ambient temperature of -10 to 55°C. However, direct
sunshine in summer may heat the instrument over the range.
• Free from corrosive gases and dusts.
The structure of this converter is dustproof and rainproof. However, for maintenance (with
opening front door of the converter), installation in better environment is recommended. For the
same reason, the followings are conditions for selecting installation area.
• Avoiding excessive humidity.
• Avoiding wide temperature variation.
3.2.2
Installation of Density Converter
The density converter can be installed on a panel or a wall or 2-inch pipe. The pipe should be
vertical to fix the mounting bracket on it (see Figure 3.8).
(Note): Mounting attitude is free from the converter performance. Mounting should be made of the following procedures.
Washer
Spring washer
Bolt (M8x10)
Pipe mounting
hardware
Mounting bracket
Converter
Bolt (M8x14)
Figure 3.8
Pipe Mounting
5th Edition : Dec. 11, 2015-00
Содержание vigilantplant DM8
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