Product Details | DIGITAL HYGROTHERMOMETER

6685-01-382-4699 An instrument for measuring and indicating by digital display relative humidity and temperature of the surrounding atmosphere. Measurements are made by sensors generally mounted in a probe.

Part Alternates: MODEL 989M, MODEL989M, DP989M, 6685-01-382-4699, 01-382-4699, 6685013824699, 013824699

Instruments and Laboratory Equipment | Pressure, Temperature, and Humidity Measuring and Controlling Instruments

Supply Group (FSG) NSN Assign. NIIN
66 03 NOV 1993 01-382-4699

Demand History | NSN 6685-01-382-4699

Part Number Request Date QTY Origin
6685-01-382-4699 2015-11-314 1 United States

Cross Reference | NSN 6685-01-382-4699

Part Number Cage Code Manufacturer
DP989M 0WST2 PROTIMETER INC
MODEL 989M 0WST2 PROTIMETER INC

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Technical Data | NSN 6685-01-382-4699

Characteristic Specifications
MEASUREMENT TYPE DIGITAL
OPERATING TEMP RANGE -20.0 TO 60.0 DEG CELSIUS
MEASUREMENT RANGE 10.0 TO 100.0 PERCENT RELATIVE HUMIDITY
SPECIAL FEATURES SYSTEM CONSISTS OF A HUMIDITY/TEMP INDICATOR W/DIGITAL DISPLAY AND HUMIDITY/TEMP PROBE; PROBE CONNECTED TO DISPLAY BY WIRE; DEW POINT TEMP 0 DEG C TO 40 DEG C BELOW AMBIENT TEMP;OUTPUTS: DEWPOINT TEMP 0 TO 1 VOLT FOR -40 TO 60 DEG C, AMBIENT TEMP 0 TO 1 VOLT FOR -40 TO 60 DEG C, RELATIVE HUMIDITY 0 TO 1 VOLT FOR 0 TO 100 PERCENT RH;MEASUREMENT OF AIR DEWPOINT ACHIEVED BY OPTO-ELECTRONIC DETECTION OF DEW FORMED ON AN ELECTRICALLY COOLED, SOLID GOLD MIRROR, THE TEMP OF MIRROR IS CONTINUALLY MONITORED AND WHEN DEW FORMS THE TEMP IS STORED IN MEMORY; PROBE HOUSES THE DEW FORMING MIRROR AND OPTICS, ALSO CARRIES ANOTHER TRANSDUCER FOR MEASURING AMBIENT TEMP; OPERATES AND DISPLAYS CONTINUOUSLY WHILE CYCLING THROUGH DEWPOINT DETERMINATION EVERY 1/2 TO 2 MINUTES;ITEM WILL BE USED TO MAINTAIN ACCURACY OF THE FOLLOWING SYSTEMS-T.O. 33K6-4-2024-1, P/N 31061222-001, T.O. 33K5-4-84-1 P/N'S CT428-7, RH200, HTAB176
III SCALE ACCURACY RATING HUMIDITY ACCURACY +/- 2 PERCENT RH, TEMP ACCURACY +/- 0.4 DEG F
III FUNCTIONAL DESCRIPTION THE PROTIMETER DEWPOINT METER USES ANALOG AND DIGITAL ELECTRONICS TO SIMPLIFY ACCURATE AND STABLE HYGROMETRIC MEASUREMENT; DIRECT MEASUREMENT OF DEWPOINT TEMPERATURE
III RELATIONSHIP TO SIMILAR EQUIPMENT REPLACES THE AIR FORCE'S CURRENT TEMP AND HUMIDITY TRANSFER STANDARDS USED IN PMEL, P/N SA-760-A NSN 6625-01-144-1855 DIGITAL READOUT AND P/N H5-3552-B (NSL) HUMIDITY PROBE
III REFERENCE DATA AND LITERATURE T.O. 33K1-1-100

Restrictions/Controls & Freight Information | NSN 6685-01-382-4699

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 058240 RECORDING DEVICES GAUGES/METERS NOI
Less than car load rating U 50
Less than truck load rating F 150.0
Water commodity Code 72E unknown
Originating Activity Code SE San Antonio Air Logistics Center
Kelly AFB, TX 78241-5000
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 6685-01-382-4699

Category Code Description
Price ValidationE The current standard price is an estimated price.
  • Estimated Price challenges are allowed, but follow procedures in para 60.b. (3) of section L of this manual.
  • This code will be changed to a P code upon notification of a contract price or this code will be changed to an updated code upon determination of a valid price.
Materiel Management Aggregation CodeRNTG:GROUND SUPPORT EQUIPMENT (FSC RESIDUAL MMAC)
Budget CodeY variousO & M:AF centrally procured equipment items. They are separate, primary end items (other than the weapon system itself) needed by a user to perform an assigned mission. They are nonexpendable items (ERRCD NF or ND) which are not consumed in use, and they do not lose their original identity during periods of use by incorporation into, or attachment to another assembly.
Source of SupplyFLZWarner Robins Air Logistics Center
Robins AFB, GA 31098-5609
AgencyDFDepartment of the Air Force
Service OrganizationLLead Service - 22 (Repairable)
ReparabilityUAF Equipment Management System (AFEMS)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each