NSN 6340-01-643-7756

Part Details | ICE DETECTOR

6340-01-643-7756 A device designed to detect icing conditions and provide an ice warning signal when the ice accretion reaches a preset level. The device may also transmit an electrical signal which can be used to control operation of the ice protection system.

Alternate Parts: M48222100, M482221-00, 0871LH1, 6340-01-643-7756, 01-643-7756, 6340016437756, 016437756

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
63APR 13, 201501-643-775636760 ( DETECTOR, ICE )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6340-01-643-7756
Part Number Cage Code Manufacturer
M482221-003A3G4ALL WEATHER, INC.DBA AWI
0871LH159885ROSEMOUNT AEROSPACE INC.DBA A UTC AEROSPACE SYSTEMS COMPANY
Technical Data | NSN 6340-01-643-7756
Characteristic Specifications
MEDIA DETECTED ICE AND WATER
USAGE DESIGN FIELD AND AIRCRAFT
AC VOLTAGE RATING24.0 VOLTS NOMINAL
DESIGN TYPE NONTRIPOD MOUNTING
SPECIAL FEATURESOUTPUT FORMAT:RS-422 OUTPUT OPERATES AT 9600 BPS;INPUT VOLTAGE:22 TO 29.5 VDC;SENSING MODE: 5 W MAX;DELCING MODE:27 W MAX;TEMPERATURE RANGE:OPERATING:-55 DEGREE TO 77 DEGREE CELCIUS;STORAGE:-65 DEGREE TO 90 DEGREE CELCIUS; RANDOM VIBRATION: 7.9 GRMS(DO-160C CATEGORY E);BASE DIAMETER:2.88 IN;BASE HEIGHT: 3.81 IN;PLATE SIZE: 2.9X2.9X0.085 IN;OPERATING MODES:SENSING:OPERATING WITH NO ICE OR WITH PROBE ICE THICKNES BELOW THE SET POINT.DEICING: OPERATING WITH PROBE ICE THICKNESS EXCEEDING THE SET POINT.
UNPACKAGED UNIT WEIGHT0.7 POUNDS
FUNCTIONAL DESCRIPTIONDETERMINE THE PRESENCE OF ICING CONDITIONS. ITS MAIN COMPONENT IS A NICKEL ALLOW ROD THAT HAS A NATURAL RESONANT FREQUENCY OF 40KHZ. AS ICE COLLECTS ON THE ROD,THE ADDED MASS CAUSE THE RESONANT FREQUENCY TO DECREASE. WHEN THE FREQUENCY DECREASES TO 130HZ(OR 0.02-IN LAYER OF ICE) AN INTERNAL HEATER AUTOMATICALLY DEFROSTS THE SENSOR.
PART NAME ASSIGNED BY CONTROLLING AGENCYFREEZING-RAIN SENSOR