Moisture & Carbon Monoxide Visual Indicator

The GO58 visual indicator allow an operator to see a moisture indicator card in the high pressure line. The cards are seen through a high strength plastic window. The moisture card is divided into sections which progressively change color from blue to pink as moisture increases. Other color changing indicators include a carbon monoxide indicator. Elements not included.

The GO58 does not include CO or moisture elements. To order the GO58 visual indicator with elements, please order SKU 6062: Visual Indicator Housing with CO & Moisture Elements.


Type Moisture & CO Indicator
Inlet Port Size 1/4 in FNPT
Outlet Port Size 1/4 in FNPT
Weight 6.3 oz (180 g)
Overall Length 2.7 in
Round Diameter 1.5 in
Viewing Port Size 1/2 in diameter
Humidity Indicator Shows when humidity exceeds 20, 40, and 60%
Carbon Monoxide Indicator Shows when CO exceeds about 100 ppm

Typical Applications

  • Humidity indicator in high pressure air lines
  • Dryer/filter unit change indicators
  • High pressure compressors
  • High or low pressure air stations
  • High or low pressure process industry lines and systems
  • Instrument and high purity air lines