Thermo Scientific 5030i SHARP, Instruction Manual

Page: 265 / 403

Servicing
SHARP Interface Board Replacement
Thermo Fisher Scientific Model 5030 i SHARP Instruction Manual 7-47
Figure 7–26. Disconnecting the RH/Temp Connector
Use the following procedure to replace the SHARP interface board ( Figure
7–27 and Figure 7–28 ).
Equipment Required:
SHARP interface board
Philips screwdriver, #2
Equipment Damage Some internal components can be damaged by small
amounts of static electricity. A properly grounded antistatic wrist strap
must be worn while handling any internal component.
▲
1. Document the Nephelometer Coefficient: From the Main Menu,
choose Calibration Factors >
Neph Coef . Record the nephelometer
coefficient value.
2. Document the Nephelometer Calibration: From the Main Menu,
choose Service >
Neph Calibration . Record the nephelometer RH
value, the nephelometer temperature value, and the nephelometer
source level value.
3. Turn the instrument OFF, unplug the power cord, and remove the
SHARP otpics cover.
SHARP Interface
Board
Replacement
Socket-head
Screws (2)
TEMP/RH