Fluke 2180A Manual de usuario descargar pdf (Pagina 32)

2180A

4-9. Input Power

4-10. Input line power voltage is selected by positioning

the two switches on the right edge of the Main PCB. Each

switch (S3 and S4) has a position identifying slot; Figure

4-1, shows these slots positioned for 120V ac operation.

Table 4-1 lists the switch settings for other line voltages.

Table 4-1. Line Voltage Selection

VOLTAGE

S3 SLOT

(REAR SW)

S4 SLOT

(FRONTSW)

100

Left

Right

120

Left

220

Right

240

Right

Left

4-11. Cleaning

4-12. Clean the instrument periodically to remove dust,

grease and other contamination. Use the following

procedure:

CAUTION

Do not use aromatic hydrocarbons or

chlorinated solvents for cleaning. They will

react with plastic materials used In the

manufacture of the instrument.

1. Clean the front panel and case with a soft cloth

dampened with a mild solution of detergent and

water.

2. Clean the surface of the pcb using clean, dry air

at low pressure (^20 psi). If grease is encountered,

spray with Freon T.F. Degreaser or anhydrous

alcohol and remove grime with clean, dry air at low

pressure.

4-13. Fuse Replacement

WARNING

DISCONNECT THE UNIT FROM LINE

POWER BEFORE ATTEMPTING FUSE

REPLACEMENT.

4-14. The 2180A has two fuses, both accessible on the

rear panel. FI is for the input line power and should be

replaced, when necessary, with a 1/8A MDL (slo-blo)

fuse when the input line power selected is lOOV or 120V.

When the input power selected is 220V or 240V, FI

should be replaced with a 1 / 16A MDL fuse. F2 is for the

12V dc external power and requires a 3/4A MDL fuse.

4-15. Service Tools

4-16. No special tools are required for maintenance or

repair.

4-17. Static Discharge Precautions

4-18. Static discharge can damage components

contained in the 2180A. The following precautions

should be observed when conducting adjustments or

repairs with the instrument’s top cover removed.

1 Never conduct repairs without first pressing

power OFF, disconnecting the line cord and

accessory bus cable from the ACCESSORY

CONNECTOR.

2. Perform all repairs at a static-free work station.

3. Minimize handling of ICs and the pcb; in no

case handle them by their connectors.

4. Keep repair parts in their original container

until ready for use.

5. Use static ground straps to discharge repair

personnel.

6. Use conductive foam or anti-static containers

to store replacement or removed ICs.

7. Remove all plastic, vinyl, and styrofoam

products from the work area.

8. Do not slide static sensitive devices over any

surface.

9. Use only anti-static type solder removal tools.

10. Use grounded tip soldering irons.

4-2

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 115 116

Comentarios a estos manuales

Sin comentarios

Fluke 2180A Manual de usuario Pagina 32

Comentarios a estos manuales

Relacionado con productos y manuales para Los termómetros Fluke 2180A