Request InfoET Enterprises Ltd.SWEETWATER, Texas, Aug. 7, 2015 — The PDM02-9111-TTL photon counting module from ET Enterprises Ltd. incorporates a high-sensitivity, low-noise, 25-mm photomultiplier, a fast amplifier discriminator and a low-power, high-voltage supply. A wide dynamic range is achieved through the combination of high-speed electronics and a fast photomultiplier with low dark counts. A positive polarity high voltage supply is used for maximum count-rate stability at very low light levels. The spectral range is 280 to 630 nm. The TTL output of the deviceis fully compatible with the MCS-CT3 multi-channel scaler/counter timer module...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra April 2023 IssueOptical Laser SourceThe Moonstone™ single- or multi-wavelength optical laser source from Lightelligence Co. 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