Reference Manual
00809-0100-4360, Rev BA
August 2008
Rosemount 1151
www.rosemount.com
Section 4 Operation and Maintenance
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1
Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-1
Smart Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-2
Analog Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 4-11
OVERVIEW This section is separated into two parts: SMART and ANALOG. Go to the
correct corresponding pages.
The Operation & Maintenance section contains information on calibration,
including the trim functions for the Smart transmitters and hardware
adjustments for the analog transmitters.
SAFETY MESSAGES
Warnings ( ) Procedures and instructions in this section that raise potential safety issues
are indicated by a warning symbol ( ). Refer to the following warning
messages before performing an operation preceded by this symbol.
• Isolate a failed transmitter from its pressure source as soon as possible. Pressure
that may be present could cause death or serious injury to personnel if the
transmitter is disassembled or ruptures under pressure.
• Explosions can cause death or serious injury. Do not remove the instrument cover
in explosive atmospheres when the circuit is alive.
• Explosions can cause death or serious injury. Do not break the housing seal in
explosive environments. Breaking the housing seal invalidates the explosion-proof
housing rating.
• Process leaks can cause death or serious injury. An incorrectly installed backup
ring can destroy the o-ring and cause process leaks. Install the backup ring using
the following procedure.
• Exposure to hazardous substances can cause death or serious injury. If a
hazardous substance is identified, a Material Safety Data Sheet (MSDS), required
by law to be available to people exposed to specific hazardous substances, must
be included with the returned goods.
• Explosions can cause death or serious injury. Do not disassemble the glass in the
meter cover in explosive atmospheres. Disassembling the glass in the meter
cover invalidates the explosion-proof meter rating.
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