Micro Motion RFT9709 Manual de Instruções Página 11

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RFT9709 Transmitter Instruction Manual
3
Wiring Startup TroubleshootingBefore You Begin Mounting
Installation
Step 1 Mounting
1.1 Location requirements
• Mount the RFT9709 in a user-supplied or factory-supplied NEMA-4
(IP65) enclosure.
• Locate the RFT9709 where it is accessible for service.
• Locate the RFT9709 where the ambient temperature remains between
–40 and 122°F (–40 and 50°C).
• Locate the RFT9709 where humidity is less than 90%.
• Total length of cable from the sensor to the RFT9709 must not exceed
1000 feet (300 meters).
• In hazardous areas, install the RFT9709 as described below.
Hazardous area
installations
Read the RFT9709 approvals tag before installing the transmitter. The
approvals tag is attached to the RFT9709 housing. See Figure 1-1.
• For a complete list of approvals, see
Hazardous area approvals
,
page 43.
• For an intrinsically safe or hazardous area installation, use this manual
with Micro Motion UL-D-IS Installation Instructions.
Figure 1-1.
RFT9709 approvals tag
WARNING
Failure to comply with requirements for intrinsic
safety in a hazardous area could result in an
explosion.
Install the RFT9709 in an environment that is compatible
with the hazardous area specified on the approvals tag.
For installations that require intrinsic safety, use this
document with Micro Motion UL installation instructions.
Approvals tag
09mount.fm Page 3 Monday, March 1, 1999 4:28 PM
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