ABB K-TEK AccuTrak AT500, Руководство по установке и эксплуатации

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AT500-0200-1b (10-2010) DCN0528 3
1. STORAGE INFORMATION
If required, storage prior to installation should be indoors at ambient temperature, not to exceed the following:
Temperature range: -40 to 150 degrees F.
Humidity: 0 to 100% R.H. non-condensing.
1.1 AT600
AT600 transmitters are typically mounted to KM26 Magnetic Level Gauges. These operate off the magnet assembly
in the float of the level gauge.
1.2 AT500
AT500 transmitters are directly inserted into the vessel. They operate off of the magnet assembly within the float
riding on the sensor tube.
2. INSTALLATION AND STARTUP
WARNING: When fitted with a compression fitting, the sensor tube is shipped with a set of TEFLON
ferrules, and a set of STAINLESS STEEL ferrules in a separate bag. The TEFLON ferrules are only in-
tended for low-pressure applications; for higher operating pressures and/or permanent installation, replace
the TEFLON ferrules by the STAINLESS STEEL ferrules.
2.1
Wiring
Install conduit to 1/2" NPT pipe nipple seal, and run 18 Gauge twisted shielded pair to housing. Use appropriate
conduit seal fitting to eliminate possible moisture infiltration.
Apply loop power to transmitter as follows: