Keithley 2750 Service Manual

Model 2750 Multimeter/Switch System Service Manual Replaceable Parts 6-7
Replaceable Parts
R157,R243 RES, 499, 1%, 100MW, THICK FILM R-418-499
R158 RES, .1, 1%, 2W, 4-TERMINAL MOLDED R-342-.1
R159,R360,R168,R182,R239,R247,
R266,R272
RES, 1K, 1%, 1/4W, METAL FILM R-391-1K
R162,R166 RES, 560K, 5%, 250MW, METAL FILM R-376-560K
R170 RES, 2.21, 1%, 100MW, THICK FILM R-418-2.21
R171 RES, 100K, .1%, .125W, THIN FILM R-456-100K
R172,R339,R343 RES, 1M, 1%, 100MW, THICK FILM R-418-1M
R173 RES, 1K, .1%, .125W, THIN FILM R-456-1K
R177 RES, 100K, 1%, 1/4W, METAL FILM R-391-100K
R181,R202,R204,R206,R208,R210,
R220,R223
RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R187,R425,R427,R429,R431,R433,
R435,R437
RES, 100, 1%, 1/4W, METAL FILM R-391-100
R189 RES, 3.01K, 1%, 1/4W, METAL FILM R-391-3.01K
R192 RES, 6.98K, 1%, 1/4W, METAL FILM R-391-6.98K
R198 RES, 70K, 1%, .3W, 300V, METAL FOIL R-449-70K
R205,R338 RES, 10, .5%, 1/8W, METAL FILM R-246-10
R209 RES, 332K, 1%, 100MW, THICK FILM R-418-332K
R212,R217 RES, 2.21K, 1%, 100MW, THICK FILM R-418-2.21K
R215 RES, 4.42K, 1%, 1/4W, METAL FILM R-391-4.42K
R216 RES, 2.87K, 1%, 1/4W, METAL FILM R-391-2.87K
R219 RES, 2K, 1%, 100MW, THICK FILM R-418-2K
R222 RES, 56.2K, 1%, 100MW, THICK FILM R-418-56.2K
R224,R231,R348,R389,R420,R422,
R423,R424
RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R225 RES, 470, 5%, 125MW, METAL FILM R-375-470
R226 RES, 475, 1%, 100MW, THICK FILM R-418-475
R228,R235,R237,R245,R250,R252,
R255
RES, 475, 1%, 100MW, THICK FILM R-418-475
R233,R238,R254,R276,R282,
R291-R293,R319
RES, 10K, 1%, 100MW, THICK FILM R-418-10K
R234 RES, 5.11K, 1%, 100MW, THICK FILM R-418-5.11K
R236 RES, 700, 1%, .3W, FOIL R-449-700
R241 RES, 34K, 1%, 100MW, THICK FILM R-418-34K
R246 RES, 82.5, 1%, 100MW, THICK FILM R-418-82.5
R248,R261,R294,R295,R331,R332,
R227,R364
RES, 100, 1%, 100MW, THICK FILM R-418-100
R249 RES, 4.02K, 1%, 100MW, THICK FILM R-418-4.02K
Table 6-1 (continued)
Model 2750 motherboard parts list
Circuit Designation Description Keithley Part No.

Keithley 2750 Specifications

General

Interface	GPIB, RS-232, Ethernet
Switching Speed	Up to 500 channels/second
Maximum Voltage	300V
Operating Temperature	0°C to 50°C
Measurement Functions	DCV, ACV, DCI, ACI, 2-wire Resistance, 4-wire Resistance, Frequency, Temperature
Resolution	6.5 digits
Current	1A
Maximum Current	1A