Model 4022 Pulse Amplifier is a signal conditioner has two factory preset input sensitivity levels and four factory preset output configurations or a field switchable version that allows outputs of 0 - 5 V (TTL), 0 - 10V or 0 - Vs with open collector(OC).
Model 4022 pulse amplifier has two form factors: fits either the Appleton ELBY or the Crouse-Hinds GUAL16 enclosure.