This is a list of all General Radio Test Equipment artifacts



Old Test Equipment Display at MRT

The General Radio Company manufactured a broad line of electronic test equipment from 1915 to 2001. During the middle of 20th century, they were a major competitor to Hewlett-Packard and Tektronix. The General Radio monthly journal, Experimenter, brought news of new products and measurement techniques to an audience of more than 100,000 readers between 1926 and 1974. In 1975 the company name was changed to GenRad and it was later purchased by IET Labs.


They had a good reputation for quality products. They were known for: the introduction of one of the world's first portable oscilloscopes; the production of many high-precision instruments for inductance, resistance, and capacitance standards; the production of the stroboscope called the Strobotac; the production of a sound level meter; the Variac variable autotransformer, which was a U.S. trademark of General Radio from 1934 to 2001; the Invention of the "five-way" binding post connector; and the invention of the GR connector.




Equipment Type Manufacturer Model Number Description Inventory Number
Test Equipment - General Radio General Radio 1201-A Regulated Power Supply 1164
Test Equipment - General Radio General Radio 1209-B Unit Oscillator 1167
Test Equipment - General Radio General Radio 1390-A Random Noise Generator 1096
Test Equipment - General Radio General Radio 1432-N Decade Resistor 1201
Test Equipment - General Radio General Radio 1432-N Decade Resistor Box 1068
Test Equipment - General Radio General Radio 1650-B Impedance Bridge 1181
Test Equipment - General Radio General Radio 222-S Precision Condenser 1093
Test Equipment - General Radio General Radio Type 1001-A Signal Generator 1211
Test Equipment - General Radio General Radio Type 101-P Air Condenser 1158
Test Equipment - General Radio General Radio Type 102-L Decade Resistance Box 1153
Test Equipment - General Radio General Radio Type 1021-P3B Signal Generator 1149
Test Equipment - General Radio General Radio Type 107-L Variable Inductor 1160
Test Equipment - General Radio General Radio Type 107-N Variable Inductor 1159
Test Equipment - General Radio General Radio Type 1153-AP Digital Frequency Meter 1185
Test Equipment - General Radio General Radio Type 1156-A Decade Scaler 1186
Test Equipment - General Radio General Radio Type 1201-A Regulated Power Supply 1163
Test Equipment - General Radio General Radio Type 1209-B Unit Oscillator 1165
Test Equipment - General Radio General Radio Type 1209-CL Unit Oscillator 1166
Test Equipment - General Radio General Radio Type 1216-A Unit I-F Amplifier 1175
Test Equipment - General Radio General Radio Type 1230-A DC Amplifier 1174
Test Equipment - General Radio General Radio Type 1303-A Audio Generator 1205
Test Equipment - General Radio General Radio Type 1311-A Audio Oscillator 1184
Test Equipment - General Radio General Radio Type 1432-K Decade Resistor 1182
Test Equipment - General Radio General Radio Type 1521-B Graphic Level Recorder 1173
Test Equipment - General Radio General Radio Type 1550-A Octave Band Noise Analyzer 1188
Test Equipment - General Radio General Radio Type 1551-B Sound Level Meter 1183
Test Equipment - General Radio General Radio Type 1551-G Sound Level Meter 1152
Test Equipment - General Radio General Radio Type 1554-A Sound & Vibration Analyzer 1187
Test Equipment - General Radio General Radio Type 1557-A Vibration Calibrator 1155
Test Equipment - General Radio General Radio Type 1562-A Sound Level Calibrator 1180
Test Equipment - General Radio General Radio Type 1615-A Capacitance Bridge 1207
Test Equipment - General Radio General Radio Type 1633-A Incremental Inductance Bridge 1168
Test Equipment - General Radio General Radio Type 1800-A Vacuum Tube Volt Meter 1148
Test Equipment - General Radio General Radio Type 1800-A Vacuum Tube Voltmeter 1195
Test Equipment - General Radio General Radio Type 1900-A Wave Analyzer 1208
Test Equipment - General Radio General Radio Type 1932-A Distortion & Noise Meter 1204
Test Equipment - General Radio General Radio Type 226 Inductance Substitution Box 1179
Test Equipment - General Radio General Radio Type 338 String Oscillograph 1194
Test Equipment - General Radio General Radio Type 384 Portable RF Oscillator 1156
Test Equipment - General Radio General Radio Type 516-C Radio Frequency Bridge 1190
Test Equipment - General Radio General Radio Type 539-B Variable Air Condenser 1161
Test Equipment - General Radio General Radio Type 546-C Audio-Frequency Microvolter 1177
Test Equipment - General Radio General Radio Type 546-C Audio-Frequency Microvolter 1178
Test Equipment - General Radio General Radio Type 636-A Wave Analyzer 1196
Test Equipment - General Radio General Radio Type 650-A Impedance Bridge 1151
Test Equipment - General Radio General Radio Type 707-A Null Detector 1202
Test Equipment - General Radio General Radio Type 707A Null Detector 1203
Test Equipment - General Radio General Radio Type 716-C Capacitance Bridge 1191
Test Equipment - General Radio General Radio Type 720-A Heterodyne Frequency Meter 1169
Test Equipment - General Radio General Radio Type 722-D Precision Capacitor 1162
Test Equipment - General Radio General Radio Type 722-D Precision Capacitor 1171
Test Equipment - General Radio General Radio Type 722-N Precision Condenser 1157
Test Equipment - General Radio General Radio Type 722-P Precision Capacitor 1170
Test Equipment - General Radio General Radio Type 723-C Vacuum Tube Fork 1192
Test Equipment - General Radio General Radio Type 724-A Precision Wave Meter 1189
Test Equipment - General Radio General Radio Type 736-A Wave Analyzer 1172
Test Equipment - General Radio General Radio Type 813-A Audio Oscillator 1193
Test Equipment - General Radio General Radio Type 916-A R-F Bridge 1176
Test Equipment - General Radio General Radio Type 916A RF Bridge 1154
Test Equipment - General Radio General Radio Type W5MT Variac 1150
Test Equipment - General Radio General Radio Type-546-C Audio-Frequency Microvolter 1869