Basic Vapors Filter Breakthrough Indicator
Basic Vapors Filter Change Indicator• Detects organic basic compounds including pyridine. Filter Replacement Indicator
Item No. 181
Product Features
Minimum detectable limit: 4ppm•min
Color Change: Yellow to green to blue
Inlet dimensions: ¾” Male NPT
Service life: 14 months
$67.62
Basic Vapors Breakthrough Indicator. Colorimetric indicator that indicates the saturation and exhaustion of filters. It is reliable and cost effect means for protection from exposure to basic vapors. The indicator changes color from Yellow to green to blue when filter is saturated with basic vapors. 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 181
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 55oC (-4oF to 131oF) |
e |
Operating humidity: | 5% RH to 85%RH |
f |
Minimum detectable limit: | 4ppm•min at 30 cm/sec face velocity |
g |
Color change: | Yellow to green to blue |
h |
Storage temperature: | 4oC to 25oC, (39oF to 77oF) |
i |
Shelf life: | 14 months at 4oC to 25oC, (39oF to 77oF) |
j |
Service life: | 1 year |
Useful Links
Methylamine PEL
Ethylamine PEL
Ductless hood filter change indictor sticker (BTIS) for basic vapors