TA261-1 Electronic Humidity Indicator

TA261-1 Electronic Humidity Indicator

This anodized aluminum Humidity Indicator Plug has an electronic display.
Mounting Hole Diameter

1.435 IN (36.5 MM)

Maximum Internal Pressure


Stock Status


Part Number


Product Description


This anodized aluminum Humidity Indicator Plug has an electronic display. Pressing the button initiates the following display sequence, showing each measurement for 1-3 seconds:

  1. 1. Relative Humidity: 5 to 80%RH
  2. 2. Temperature: -20 to 60°C
  3. 3. Dewpoint: -30 to 20°C

The flat lithium coin cell battery has an estimated life of 5 years. The central core can be removed to provide battery replacement access. The assembly has IP67 ingress protection and can be stored between -40 and 80°C.

The external o-ring is EPDM, and the internal seal is Nitrile. Other material information available upon request.

Also available: RFI Protection

Weight: 0.3 lbs

Mounting Requirements:

Mounting hole diameter: 1.435 ±.015 (38.5 ±0.4 mm)
Thread size: M36x1.5 − 6g
Recommended installation torque: 40-50 in-lbs (4.5-5.6 N·m)
Maximum wall thicknesses: .35 in (8.9 mm)
Minimum wall thickness: 0

Contact AGM's Engineering department for more information.

TA261-1 Drawing


Additional Information

Name TA261-1 Electronic Humidity Indicator
Part Number TA261-1
Mounting Hole Diameter 1.435 in (36.5 mm)
Maximum Internal Pressure 5 psi
Recommended Installation Torque 40-50 in-lbs (4.5-5.6 N·m)
Maximum Wall Thickness 0.35 in (8.9 mm)
Body Material aluminum
Body Finish anodized, black
Internal O-Ring Material External: EPDM & Internal: Nitrile
External Gasket Material Nitrile
Weight 0.30 lbs
Stock Status Contact Us for Availability

Technical Sheets

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