2
INSTALLATION
10
OPTIWAVE X400
www.krohne.com
10/2017 - 4006413501 - AD NEPSI OPTIWAVE x400 R01 en
2.1 Special conditions
This device can be installed on the applicable auxiliary equipment: a bypass chamber, a stilling
well or a communicating pipe.
2.2 Precautions
2.2.1 General notes
Make sure that:
•
you can get access to the device,
•
there is sufficient space around the device for inspections,
•
you can see the device nameplate, and
•
there are no external forces applied on the device.
WARNING!
When you install the device, obey the conditions in the NEPSI certificate of conformity. These
conditions include:
•
The special conditions for safe use.
The certificate is given on the DVD-ROM supplied with the device. You can also download the
certificate from our internet site.
DANGER!
This installation must agree with Chinese Law and NEPSI regulations. For more data, refer to
the related NEPSI explosion protection certificates of conformity and these Chinese National
Standards:
•
GB 3836.13
GB 3836.13
GB 3836.13
GB 3836.13: Electrical apparatus for explosive gas atmospheres
–
Part 13: Repair and
overhaul for apparatus used in explosive gas atmospheres,
•
GB 3836.15
GB 3836.15
GB 3836.15
GB 3836.15: Electrical apparatus for explosive gas atmospheres
–
Part 15: Electrical
installation in hazardous area (other than mines),
•
GB 3836.16
GB 3836.16
GB 3836.16
GB 3836.16: Electrical apparatus for explosive gas atmospheres
–
Part 16: Inspection and
maintenance of electrical installation (other than mines),
•
GB 505257
GB 505257
GB 505257
GB 505257: Code for construction and acceptance of electric device for explosion
atmospheres and fire hazard electrical equipment installation engineering,
•
GB 12476.2
GB 12476.2
GB 12476.2
GB 12476.2
–
2010
2010
2010
2010: Electrical apparatus for use in the presence of combustible dust Part 2:
Selection and installation, and
•
GB 15577
GB 15577
GB 15577
GB 15577
–
2007
2007
2007
2007: Safety regulations for dust explosion prevention and protection
DANGER!
The device contains a PTFE boundary wall (unless the device has a hygienic antenna option)
between the process and the signal converter. Do not use the device if the PTFE part is not
resistant to corrosion by the tank product.
If the OPTIWAVE 7400 has the hygienic antenna option, it contains a PEEK boundary wall between
the process and the signal converter. Do not use the device if the PEEK part is not resistant to
corrosion by the tank product.
DANGER!
Only the manufacturer can repair the device and replace components. If the device does not
operate correctly, speak or write to the manufacturer.