LUDLUM 14C User Manual

Model 14C Survey Meter
Ludlum Measurements, Inc. Page 23 July 2022
Reference Description Part Number
POTENTIOMETERS:
R3 25K, 8026EKX-253, OL ADJ. 09-6832
R8 1M, 3266W1-105, HV ADJ 09-6778
RESISTORS:
R1 1.5M, 1/4W, 1% 12-7987
R2 100K, 1/4W, 1% 12-7834
R4 1M, 1/4W, 1% 12-7844
R5 4.75K, 1/4W, 1% 12-7858
R6 500M, 3KV, 2% 12-7031
R7 475K, 1/4W, 1% 12-7859
R9 1M, 1/4W, 1% 12-7844
CONNECTORS:
P5 640456-2, MTA100×2,
×1K TEST 13-8073
P6 640456-4, MTA100×4
HV/1K DET 13-8088
TRANSFORMER:
T1 31032R 21-9925
DETECTOR:
V1 LND72611 4331-020
MISCELLANEOUS:
W1 TEFLON WHITE EE22, HV 21-9759
W2 #22 BLACK UL1430,
NOT USED 21-9413
Wiring Diagram, Drawing 464 × 175
CONNECTORS:
J1 640442-5 MTA100 13-8140
J2 640442-4 MTA100 13-8170
J3 640442-6 MTA100 13-8171
J4-J5 640442-2 MTA100 13-8178
J6 640442-4 MTA100 13-8170
AUDIO:
DS1 UNIMORPH TEC3526-PU 21-9251
BATTERIES:
B1-B2 ˝D˝ DURACELL BATTERY 21-9313

LUDLUM 14C Specifications

General

Brand	LUDLUM
Model	14C
Category	Measuring Instruments
Language	English