Models 375 (Including Series One), 375/1, 375/2 & 375/4 Section 9
Ludlum Measurements, Inc. Page 9-1 May 2017
Parts List
Reference Description Part Number
UNIT Completely Assembled 48-2230
Model 375
UNIT Completely Assembled 48-3831
Model 375/1
UNIT Completely Assembled 48-2410
Model 375/2
UNIT Completely Assembled 48-2411
Model 375/4
UNIT Completely Assembled 48-2676
Model 375 Series One
UNIT Completely Assembled 48-2931
Model 375/2 Series One
UNIT Completely Assembled 48-3007
Model 375/4 Series One
BOARD Completely Assembled Main 5558-001
Circuit Board (common to all)
Y211 6.144 MHZ 01-5262
C1-C2 100µF, 16V 04-5794
C3 0.1µF, 25V 04-5744
C4 100µF, 16V 04-5794
C5-C6 10µF, 25V 04-5728
C7 100µF, 16V 04-5794
C8 10µF, 25V 04-5728
Sectio
9
Model 375 Digital Wall-
Mount Area Monitor
without Detector
Model 375/1 Digital Wall-
Mount Area Monitor
Model 375/2 Digital Wall-
Mount Area Monitor
Model 375/4 Digital Wall-
Mount Area Monitor
Model 375 Series One
without Detector
Model 375/2 Series One
Model 375/4 Series One
Main Board,
Drawing 558 x 1
CRYSTAL
CAPACITORS