English 
Spanish 
German 
Hydrogen Sulfide Filter Breakthrough Indicator
Hydrogen Sulfide Filter Change Indicator
Item No. 185
Product Features
Minimum detectable limit: 1.0ppm•min
Color Change: Light blue to black
Inlet dimensions: ¾” Male NPT
Service life: 2 years
$67.62
Hydrogen Sulfide Filter Change Indicator. Indicates the saturation and exhaustion of filters. It is reliable and cost effect means for protection from exposure to hydrogen sulfide. The indicator changes color from off white to black when filter is saturated with hydrogen sulfide. Connect the indicator to the ¾ inch female NPT outlet of filter using the ¾ inch male NPT threading at the bottom of the indicator. Observe bright vibrant color change from all directions. The unique design of the indicator prevents any color change due to exposure to contaminants in the surrounding environment. It changes color only when filter is saturated.
PN 185
Product Specifications
a | Weight: | 28g (1.0oz) |
b | Dimensions: | 89.9mm (3.5in), diameter 24.5mm (1.0in) |
c | Inlet dimensions: | ¾” MNPT |
d | Operating temperature: | -20oC to 65oC (-4oF to 149oF) |
e | Operating humidity: | 5% RH to 85%RH |
f | Minimum detectable limit: | 1.0ppm•min at 30 cm/sec face velocity |
g | Color change: | Light blue to brown to black |
h | Storage temperature: | 4oC to 25oC, (39oF to 77oF) |
i | Shelf life: | 2 years at 4oC to 25oC, (39oF to 77oF) |
j | Service life: | 2 years |
Useful Links
OSHA
NIOSH
Hydrogen Sulfide Area Monitor
Hydrogen Sulfide Filter Change Indicator
Related products
(Pack of 5)Hydrogen Sulfide Gas Area Monitor
$168.00