dry contact


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dry contact

[¦drī ′kän‚takt]
(electricity)
A contact that does not break or make current.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

dry contact

The hookup between a tanker and a receiver aircraft in which no transfer of fuel takes place.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
Allows a DB25 device connected to the COM port access to DB25 devices on the other two ports, switching positions from A to B via dry contact logic from a computer or device in a remote location.
For low fiber velocities, the pressure (1), (2) can be approximated by tension force [[mu].sub.d], drag forces [T.sub.d,1] and [T.sub.d,2], the dynamic friction coefficient pcj of the fiber bundle on the cylindrical surface (wet or dry contact), radius r of the impregnation pin and fiber bundle contact width w [28].
WM-NLCH is designed to accommodate the addition of a dry contact reed switch pulse output.
The system enables lighting control of a single fixture, multiple lighting zones, or an entire building through input from devices such as vacancy, occupancy, and daylighting sensors, dry contact inputs, and commands from an existing building management system via the LightSpace BMS Adaptor.
Maharashtra, June 9 -- Sensors and Detectors, Up to 8 sensors, 4 dry contact inputs and 2 relay outputs can be connected.
* dry contact operation: no oil or grease lubrication
Boeing is expected to conduct its first dry contact with a fuel receiver in June, followed shortly by passing fuel to another aircraft.
The combination of longitudinal pipe scanning and 60-deg scan width brings a major improvement to inspection efficiency for pipeline and slug catcher applications while maintaining the high standard of data quality associated with the RMS2, the company spokesperson explains.As an alternative for small diameter pipes Silverwing recommends its R-scan ultrasonic system with dry contact wheel probe system, which it says is ideal for 360-deg on stream gauging without removal of coatings, or along the length of a pipe or around the outside of bends and elbows, recording the thickness every 1 mm.
MoWi sensors are immediately available in 12 of the most popular sensing types including: temperature, humidity, door and window (open/close), motion, water, activity, dry contact and button.
These EPIC sensors are dry contact, and they can be simply cleaned between uses.