Electronic measuring instruments and meters for laboratory and research. Oscilloscopes, wavemeters

3812001 Wave analysers, electronic
3812002 Wavemeters, electronic
3812003 Wavemeters, absorption
3812004 Wavemeters, portable
3812005 Valve voltmeters
3812006 Carrier deviation meters
3812007 Circuit magnification meters, Q-meters/quality factor meters
3812009 Oscillographs
3812011 Oscilloscopes
3812012 Synchronisers (synchroscopes)
3812014 Radio interference measuring equipment
3812015 Prospection scintillometers
3812018 Oscilloscope trace doublers
3812019 Electrical measuring equipment for laboratories to customer specification