Description
TA370 Series Humidity Indicator Plugs
Complies with SAE AS26860 Type II
The TA370 Series features a borosilicate glass viewing window and is constructed from zinc-plated brass. Each unit is supplied with a gasket, gasket retainer, and mounting nut. It installs through a 0.515 in. (13.1 mm) diameter hole in the container wall.
Optional single or multi-point spot humidity indicator discs are available. Disc suffix numbers specify the indicated humidity levels. Please note: humidity discs are not field-replaceable.
Available Humidity Indicator Discs:
| Circle Card Part Number | Standard Item | Indicated Humidity (%) | Segment Type |
|---|---|---|---|
| TA370-HC-234P | Yes | 20, 30, 40 | Pie |
| TA370-HC-345P | Yes | 30, 40, 50 | Pie |
Specifications:
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Weight: 0.08 lbs (36 grams)
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Maximum Internal Pressure: 10 psi
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Recommended Installation Torque: 25–35 in-lbs (3.0–4.0 N·m)
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Maximum Wall Thickness: 0.15 in (4 mm)
Alternate Models:
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TA371 – Identical to the TA370 but supplied without a nut or gasket retainer. Designed for installation into a .5000-20 UNF-2B threaded boss (refer to TA371 drawing).
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TA372 – Similar to TA370, but includes a retained O-ring seal and lock nut. Installs through a 0.515 in. (13.1 mm) diameter hole (refer to TA372 drawing).
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TA373 – Same as TA372, but without the lock nut. Intended for use with a .5000-20 UNF-2B threaded boss (refer to TA373 drawing).
Applications:
The TA370 Series is suitable for enclosures rated NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K, and 13, as well as IP66 and IP67. It may also be compatible with other NEMA/IP-rated enclosures depending on the application.
