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Reference Manual
00809-0100-3565
8
Maintenance
8.1
Maintenance overview
The Rosemount
routine maintenance.
Clean the transmitter case and front panel by wiping it with a clean soft cloth dampened
with water only.
CAUTION
Solvents
Solvents like alcohol might cause a buildup of static charge.
Do not use solvents to clean the transmitter.
A few of transmitter's components are replaceable. See
WARNING
Explosions
Do not connect equipment when a flammable or combustible atmosphere is present.
8.2
Sensor
8.2.1
Clean the sensor
Clean the sensor by rinsing it thoroughly with water and then wiping it with a soft tissue. If
water is inadequate, wash with a mild detergent solution and then thoroughly rinse it with
water.
CAUTION
Equipment damage
Do not scratch the lamp or photodiode windows.
Do not use abrasive cleaners or solvents.
If mineral scale is present, apply a dilute acid solution with a cotton swab to clean away the
deposit. Rinse thoroughly with water.
8.2.2
Replace the lamp/light-emitting diode (LED) board
The US EPA-compliant sensor uses a tungsten filament lamp (PN 1-0901-0004-EPA) as the
light source. The lamp has an expected life of about one year. The ISO-compliant version
uses an infrared LED (PN 1-0901-0005-ISO). Its expected life is five years. The transmitter
Rosemount T56
™
56 transmitter used in the Rosemount Clarity II turbidmeter needs little
Maintenance
Replacement
parts.
July 2020
49
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