TA261-1 Electronic Humidity Indicator
SKU: TA261-1

TA261-1 Electronic Humidity Indicator


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

Internal O-Ring Material

External: EPDM & Internal: Nitrile

Maximum Wall Thickness

0.35 in (8.9 mm)

Mounting Hole Diameter

1.435 in (36.5 mm)

External Gasket Material


Body Finish

Anodized, Black


0.3 lbs (136 grams)

Maximum Internal Pressure

5 psi

Body Material