Frequently Asked Questions

The B29B03H Photomultiplier Tube is designed for scintillation counting and other applications where high quantum efficiency, low dark current, good collection efficiency, and gain stability are of paramount importance.

The B29B03H Photomultiplier Tube has a diameter of 29mm (1-1/8").

The electrical operating ratings of the B29B03H Photomultiplier Tube include a cathode to dynode No. 1 voltage of 40-300 VDC, cathode to anode voltage of 1500 VDC, voltage between consecutive dynodes of 250 VDC, ambient storage temperature of 23-60°C, anode current of 10 µA, and cathode current of 0.2-0.3 µA.

The quantum efficiency of the B29B03H Photomultiplier Tube is 25% at 420 nm.

Yes, in addition to the B29B03H Photomultiplier Tube, our UK factory supplies housings, power bases and signal processing electronics together with a new range of integrated detector modules.

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