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Emerson 8800C User Manual

Emerson 8800C
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Rosemount Model 8800C Vortex Flowmeter
2-36
FAULT_SDPLS
The flowmeter electronics has detected a loss of flow data from the
sigma-delta ASIC. Contact your Field Service Center.
FAULT_TASK(#)
The flowmeter electronics has detected a fatal error. Record (#) and
contact your Field Service Center.
TRANSIENT PROTECTION The optional transient terminal block prevents damage to the
flowmeter from transients induced by lightning, welding, heavy
electrical equipment, or switch gears. The transient protection
electronics are located in the terminal block.
The transient terminal block meets the following specifications:
ASME B16.5 (ANSI)/IEEE C62.41 - 1980 (IEEE 587) Categories A, B.
3 kA crest (8 20
m
s).
6 kV crest (1.2 50
m
s).
6 kV/0.5 kA (0.5
m
s, 100 kHz, ring wave).
NOTE
The ground screw inside the terminal housing must be tightened for
the proper operation of the transient protection. Also, a high-current
ground connection to earth is required.
Installing the
Transient Protector
For flowmeters ordered with the transient protector option (T1), the
protector is shipped installed. When purchased separately from the
Model 8800C, you must install the protector on a Model 8800C
flowmeter using a small instrument screwdriver, a pliers, and
the transient protection kit (part number 8800-5106-1002 or
8800-5106-1004).
The transient protection kit includes the following:
One transient protection terminal block assembly
Three captive screws
One ground screw

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Emerson 8800C Specifications

General IconGeneral
TypeVortex Flow Meter
Line Size1 to 12 in (25 to 300 mm)
Output4-20 mA, HART, Foundation Fieldbus
MaterialStainless Steel
Pressure RangeUp to 100 bar (1450 psi)
Process ConnectionFlanged, Wafer
Electrical ConnectionM20
Operating Temperature-40°C to 85°C (-40°F to 185°F)
Housing MaterialAluminum or Stainless Steel
Diaphragm MaterialStainless Steel

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