Tube-tester in strong suitcase, ready to use.
This device is new and guaranteed for 1 year
Allows testing of all common audio / radio tubes, power tubes, valves and magic eye included.
Up to 500V anode (Plate) voltage.
Directly heated tubes like 300B, 2A3, etc. can also be tested.
Complete documentation on request.
Summary of the characteristics of this lampmeter:
Dimensions: 330 x 240 x 140 mm
Weight: 4.3 kgs
Power supply: 220V - 230V / 50-60 Hz (115 V on request) or on 12V battery with a small (50VA) converter.
Consumption: 25 to 35 VA max. on the sector or approximately 2 amps under 12V via the converter
Protection fuse: 2 A fast 5 x 20 mm
Measurement mode: pulse, managed by 8-bit microcomputer clocked at 12 MHz
Adc sampling: 10 bits monotone (1024 points)
Duration of a measurement: 800 µSecond
Interval between measurements: 0.5 seconds
Measurement accuracy: better than 5% +/- 1 digit
Heating voltages *: 4 V - 5 V - 6.3 V selectable on the control panel
Heating current: 3.5 A maximum
Heating voltage accuracy: better than 5% and regulated
Grid 1 voltage: 0 to - 100 volts minimum
Grid 2 voltage: 15 to 350 volts minimum
Plate voltage: 2 to 500 volts minimum
Maximum measurable plate current: 340 mA maximum
Maximum flow of grid 2 power supply: 60 mA
Grid 1 voltage display resolution: 0.1 V +/- 1 digit
Grid 2 voltage display resolution: 1 V +/- 1 digit
Plate voltage display resolution: 1 V +/- 1 digit
Plate 1 current display resolution: 0.1 mA +/- 1 digit up to 34 mA
1 mA +/- 1 digit for I> 34 mA
Short-circuit protection and connection errors by current limiting circuits.