PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DM-C1-S3-ATDM-PTDM-MH-13Thermometer-Hygrometer

Edgeone Llc Dba Edgetech Div Edgetech · NSN 6685-01-261-0297 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-01-261-0297 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-261-0297. Primary manufacturer part number: DM-C1-S3-ATDM-PTDM-MH-13.
Features
  • Thermometer-Hygrometer — FSC 6685
  • Measurement Range: -75.0 TO 130.0 DEG CELSIUS AND +0.1 TO 100.0 PERCENT RELATIVE HUMIDITY
  • Measurement Type: DIGITAL
  • Frequency in Hertz: 60.0
  • Switch Type and Quantity: 9 PUSH BUTTON
  • Display Type: LIGHT EMITTING DIODE (L.E.D.).
  • Voltage Rating in Volts: 115.0 AC NOMINAL AND 230.0 AC NOMINAL
  • Phase: SINGLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Thermometer-Hygrometer, cataloged under National Stock Number 6685-01-261-0297, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Edgeone Llc Dba Edgetech Div Edgetech. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-01-261-0297
Primary Part NumberDM-C1-S3-ATDM-PTDM-MH-13
Item NameThermometer-Hygrometer
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerEdgeone Llc Dba Edgetech Div Edgetech
StatusACTIVE
Measurement Range-75.0 TO 130.0 DEG CELSIUS AND +0.1 TO 100.0 PERCENT RELATIVE HUMIDITY
Measurement TypeDIGITAL
Frequency in Hertz60.0
Switch Type and Quantity9 PUSH BUTTON
Display TypeLIGHT EMITTING DIODE (L.E.D.).
Voltage Rating in Volts115.0 AC NOMINAL AND 230.0 AC NOMINAL
PhaseSINGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3020-01-286-8324PA0024803 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
Cross-Reference Index
Part NumberManufacturer
DM-C1-S3-ATDM-PTDM-MH-13 PRIMARY Edgeone Llc Dba Edgetech Div Edgetech (USA)
PA24803 Eg and G Inc Moisture and Humidity Div (USA)
A24803 Eg and G Inc Moisture and Humidity Div (USA)
300-C1-S3 Eg and G Inc Moisture and Humidity Div (USA)
2001-C1-S3 Edgeone Llc Dba Edgetech Div Edgetech (USA)
Related Parts
3020-01-286-8324INTERCHANGEABLE
GEAR,SPUR
PA0024803

Frequently Asked Questions

What is NSN 6685-01-261-0297?

NSN 6685-01-261-0297 is a Thermometer-Hygrometer, manufactured by Edgeone Llc Dba Edgetech Div Edgetech, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-01-261-0297?

NSN 6685-01-261-0297 has 5 cross-referenced part numbers: DM-C1-S3-ATDM-PTDM-MH-13 (Edgeone Llc Dba Edgetech Div Edgetech), PA24803 (Eg and G Inc Moisture and Humidity Div), A24803 (Eg and G Inc Moisture and Humidity Div), 300-C1-S3 (Eg and G Inc Moisture and Humidity Div), 2001-C1-S3 (Edgeone Llc Dba Edgetech Div Edgetech).

What NSN replaces 6685-01-261-0297?

There is 1 known substitute for 6685-01-261-0297: 3020-01-286-8324. Verify interchangeability with system specifications before substitution.

What are the specifications of DM-C1-S3-ATDM-PTDM-MH-13?

Key specifications for DM-C1-S3-ATDM-PTDM-MH-13: Measurement Range: -75.0 TO 130.0 DEG CELSIUS AND +0.1 TO 100.0 PERCENT RELATIVE HUMIDITY; Measurement Type: DIGITAL; Special Features: USED TO MEASURE TEMPERATURE IN F. AND C. DEG., RELATIVE HUMIDITY AND CALULATES DEW POINT;USES A 3 1/2 DIGIT DISPLAY W ITH A .5 PERCENT ACCURACY;USES A CHILLED AND DRY MIRROR FOR HUMIDITY AND A 3 WIRE PLATINUM RESISTANCE PROBE OF 100 OHMS AT 0 DEG C.;SAMPLE FLOW RATE OF 0.25/2.5 LITERS PER MINUTE AT MAX. PRESSURE OF 300 PSIA;CONTINUOUS BALANCE CONTROL TO ELIMINATE ADJUSTMENTS;BENCH TOP WITH REMOTE ACCESSORIES DEGC; Frequency in Hertz: 60.0. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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