Profile: Trask Instrumentation, Inc. specializes in the production of sensor products. Our product line includes ultrasonic sensors, digital meters, fork sensors, tension controls, vibration products, weighing systems and PID controllers. Our GP:50 provides aerospace grade transducers also known as high reliability, which is designed to the strictest standards for the toughest aerospace and military applications. Ultrasonic slot sensor is designed for the detection of transparent labels d.c. supply. Our Model 2630 load cell simulator has features designed for high accuracy, sealed lid with neoprene "O" -ring, is completely water proof & dust proof, and is ideal for setpoint or batching simulation. Vaisala weather transmitter WXT520 is suitable for weather stations, dense networks, buildings, golf courses, marinas, harbors and hotels.