True-rms Digital Multimeters
Parts
29
Table 8. Calibration Adjustment Steps for Firmware Version 1.10 (cont.)
Connect the 5520A in a 4-Wire configuration and select COMP 2-Wire
To reduce settling time, apply 10 ohms to Meter before setting Rotary Switch to LoΩ
47 LoΩ (289) 10.000 Ω 2 2
48 LoΩ (289) 50.000 Ω 2 2
Disconnect 5520A 4-Wire configuration and turn COMP off
49 LoZ (289) 10.0 V, 0 Hz 2 1
50 mV AC (289) 500.00 mV, 55 Hz 2 5
[1] Meter is “Calibrating” after “Next” is pressed.
Parts
Table 9 lists that available replacement parts shown in Figure 5.
Table 9. Replacement Parts
Ref
Des.
Description Fluke Part No.
MP1 FLUKE-28X-4001,PCA MAIN Not available
MP2 FLUKE-287-2004-01,SKIN, PADXFER
2798418 (289)
2798429 (287)
MP3 FLUKE-28X-2001,CASE TOP 2578178
MP4 FLUKE-28X-2002,CASE BOTTOM 2578184
MP5 FLUKE-28X-2501,MASK, LCD, PADXFER
2760673 (289)
2798407 (287)
MP6 FLUKE-28X-2006,SHIELD, UPPER 2578252
MP7 FLUKE-28X-2008-01,KNOB, PADXFER 2798434
MP8 FLUKE-28X-2009,HOUSING, RSOB, UPPER 2578283
MP9 FLUKE-28X-2010,HOUSING, RSOB, LOWER 2578290
MP12 FLUKE-28X-2015,SPRING DETENT 2723772
MP16 FLUKE-28X-8002,KEYPAD 2578234
F1 FUSE, .440A,1000V,FAST,.406X1.375,BULK 943121
F2 FUSE,11A,1000V,FAST.406INX1.5IN,BULK 803293
XBT1 FLUKE-28X-8006,BATTERY CONTACT, POSITIVE, BOTTOM CASE 2578353
XBT2-3 FLUKE-28X-8007,BATTERY CONTACT,NEGATIVE,BOTTOM CASE 2578375
DS1
LCD MODULE,289,320X240,FSTN,3.5 MONO
GRAPHIC,TRANSFLCTV,WHITE LED,0.22MM PITCH
2734828
H15-18 SCREW,M3X0.5,6MM,PAN,PHILLIPS,STEEL,ZINC-CHROMATE 2743764
H7-14
SCREW,4-14,.510,PAN,PHILLIPS,STEEL,ZINC-CHROMATE,TYPE BT
THREAD CUT
853668