Dwyer Instruments Inc., Michigan City, Ind., released a catalog for the severe service and laboratory applications market. The catalog includes products that focus on indication and measurement and introduces new products for critical and severe service applications. New products include the Series DPG-100 digital pressure gage, a high accuracy, full featured digital gage with NEMA 4X housing; and the Series 655 wet/wet differential pressure transmitter, a low range, high maximum working pressure unit with 316/316L stainless steel wetted parts.