R.F. Screened for Equipment & Enclosures

R.F. Screened Humidity indicators are best suited for mounting on moisture-sensitive electronic, electro-optic equipment or any humidity-controlled enclosure that require EMC Shielding. These units detect changes in humidity by using a colour-changing indicator paper that turns from blue to pink when humidity increases and reverts to blue when the humidity decreases.

Most of these indicators can be fitted with a desiccant cartridge, also known as static desiccators, to adsorb any moisture entering the equipment during usage.

These humidity and electronic indicators are available in several models:

BLD4857/01-04 – Humidity Indicator

An M8 thread split level brass indicator that incorporates spanner flats for easy fitting into equipment. It is a minimal compact unit that can be supplied with R.F. screening options when required.

BLD5000/01-05 – Humidity Indicator Plug

A ¾” pipe thread 30/50% R.H. indicator plug, this split level humidity indicator features spanner flats for easy fitting into equipment such as a panel or flexible barrier bags with the use of the provided black nut. The unit also comes with natural threads R.F. screening continuity when required.

BLD3722 (RIHP3M) – Humidity Indicator Plug

An M20 thread 30/50% R.H. indicator plug that features spanner flats to allow easy fitting into equipment. This unit can be used together with a static desiccator such as the BLD1397. The unit also incorporates an alochromed thread for R.F. screening continuity.

BLD3723 (RIHP4M) – Humidity Indicator Plug

An M20 thread 15/30% R.H. indicator plug that features spanner flats to allow easy fitting into equipment. This unit can be used together with a static desiccator such as the BLD1397. The unit also incorporates an alochromed thread for R.F. screening continuity.

BLD3724 (RIHP6M) – Humidity Indicator Plug

An M20 thread 30/50% R.H. indicator plug that features spanner flats to allow easy fitting into equipment. This unit can be used together with a static desiccator such as the BLD1397. The unit also incorporates an alochromed thread for R.F. screening continuity.

BLD9398

A ¾” U.N. thread 15/30% R.H. indicator plug, this split level humidity indicator can be fitted using a square drive. It is a tiny compact unit and can be supplied with R.F. screening when required. Contact us today for more information regarding this product.

BLD8169

An M25 thread 15/30% stainless steel indicator plug, this split level stainless steel humidity indicator features spanner flats to allow easy fitting into equipment. It can also be painted, supplied with different R.H. level when required and combined with a static desiccator cartridge through the internal rear thread.

BLD9049

A 7/16 x 18 UNEF thread 20, 30, 40 & 50% R.H. indicator plug, this four-level indicator plug can panel-mounted with the provided black nut assembly. The threads are alochromed for R.F. screening continuity.

BLD11174 – Indicator Plug

A ½” UNF thread 20, 30 & 40% R.H. indicator plug for R.F. screening. This black anodised aluminium humidity indicator plug features a glass window and alochromed thread for R.F. screening continuity. It also incorporates a gasket, gasket retainer and hex black nut. It is possible to install a container through a 0.515 inch (13.1 mm) diameter hole for installation. This unit is available in single or multiple spot disc. Contact us today for more information.

Here in Stream Peak, we also supply a service kit as we recommend the humidity indicator papers be replaced once every 3-5 years.

  • Clear window to observe and monitor change in humidity level
  • Distinctive colour change indication​
  • Reversible and nonreversible colour-change option
  • Available in plastic or metal housings