Nostalgic Kits Central

Heathkit Test Equipment Matrix

Tube Testers

Codes
= Picture
= Specifications
= Calibration
= Block Diagrams
-  = No data

Model Number Description Notes Picture Specs Info Docs 1st Year Last Year
225 Adaptor TV Picture Tube Test Adaptor - - - - -
355 TV Picture Tube Test Adapter - - - - - - -
CC-1 Tube Tester - CRT Schematic - - - 56 60
GR-300 Picture Tube Tester - - - - - - -
IM-30 Transistor Tester - 61 67
IM-36 Transistor Tester analog - new look - - - 68 74
IT-10 Transistor Checker little cube shaped unit - Schematic - - 61 67
IT-17 Tube Tester new look version - Schematic - - - 67 76
IT-18 Transistor Tester portable in-circuit - Schematic - - 68 78
IT-21 Tube Tester replaces TC-3 - Schematic - - - 61 67
IT-27 Transistor Checker new look version- Schematic - - - 67 78
IT-121 Transistor/FET Tester Schematic - - - 73 76
IT-2127 Transistor Tester same as IT-37 - - - - 78 81
IT-3117 Tube Tester same as IT-17 - - - 77 81
IT-3118 Transistor Tester same as IT-18 - - - 77 79
IT-3120 FET/Transistor Tester - - 77 89
IT-3127 Transistor /Diode checker - - - - 78 83
IT-5230 Tube Tester CRT tester/rejuvenator - - - 76 90
IT-5235 Yoke/Flyback Tester - - - - 79 83
IT-7400 Digital IC Tester Schematic
- - 76 81
ITA-5230-1 Tube Tester CRT socket adapter for IT-5230 - - - - 76 90
TC-1 Tube Tester emission type - Schematic - - - 50 53
TC-2 Tube Checker emission type wood cabinet - Schematic - - 53 59
TC2P Tube Checker Portable Version of the TC-2 - Schematic - - 53 58
TC-3 Tube Tester emission type - Schematic - - - 59 62
TT-1 Tube Tester mutual conductance type - 60 61
TT-1A Tube Tester mutual conductance type - - - 62 67