with component adaptor CA4 measures R, C or L

used for conductivity of fluids. electrodes missing Range: 1.5 microMho - 500 mMho

used for conductivity of fluids. electrodes missing Range: 1.5 microMho - 500 mMho

Standing Wave Measurements

Bridge principle with null indicator. Range: 0.5 - 50 Ohm x0.1, x10, x100, x1000. In leather case.

measures L and R in series, or C and G in parallel.

Two scales: in kOhm and in MOhm Voltage: up to 500 V. With crank.

Range 1 MOhm x 1 to E6 (6 decades)

with pull-out operating instructions. A frequency selective detector, belonging to the 3040 series Network Analyzers. Measures magnitude and phase. Freq. range 50 Hz - 13 MHz

Bridge principle, with null detector range 0.05 Ohm - 50 kOhm

accessoires: crystal in small box

Impedance range: 1 - inf. or 3 - inf. x1, x3, x10, x100, x1k, x10k, x100 kOhm Fixed frequencies: 250 Hz, 1 kHz and 4 kHz.

measures conductivity, for liquids. range: 1 - 100 microS, x1, x100, x1000. with probe. In leather case.

Including 4801A Direct Measurement Plug-in Ranges: Magnitude 1 Ohm - 1 MOhm Phase +/- 90 degree Freq. 5 Hz - 500 kHz

Two scales: in Ohm and in MOhm Voltage: up to 500 V. With "A pocket book on Megger insulation testers", October 1947.

In wooden box, incomplete.

Instrument for the measurement of impedance, admittance, phase angle between voltages, and transfer characteristics of 2- and 4 pole networks.