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Hydrogen Sulfide Breakthrough Indicator (BTI-AFT) is filter change indicator with auxiliary filter trap

Hydrogen Sulfide Breakthrough Indicator with Auxiliary Filter Trap (BTI AFT)

Hydrogen Sulfide Filter Change Indicator with Auxiliary Filter Trap

Item No. 663

Product Features
Minimum detectable limit: 1ppm•min
Color Change: light blue to black
Dimensions: Part A: 89.9mm (3.5in), diameter 24.5mm (1.0in)
Part B: 41mm (1.6in), diameter 81mm (3.2in)
Service life: 2 years

$110.25

Hydrogen Sulfide Breakthrough Indicator (BTI-AFT) is filter change indicator with auxiliary filter trap designed to provide real time indication of the breakthrough of toxic gases and vapors. Indicator is equipped with auxiliary filter trap to ensure no gases or vapors escape to the outside environment while the indicator changing color.

How the BTI AFT works?

When filter is consumed, toxic gases and vapors breakthrough it. The contaminated air then enters the BTI AFT and chemically reacts with the indicating sensor. Producing vivid color change, alerting the user to change the filter.

How to use the BTI AFT?

  1. Remove bottom protective red plug from the bottom of the breakthrough indicator.
  2. Screw in the male NPT threading at the bottom of the indicator into same female threading at the outlet of your filter.
  3. Replace filter when the breakthrough indicator changes Color.

why is it essential to use filter change indicator & how to install it into your filter →
Learn more

PN 663

Product Specifications

a Weight: 118g (4.2oz)
b Dimensions: Part A: 89.9mm (3.5in), diameter 24.5mm (1.0in

Part B: 41mm (1.6in), diameter 81mm (3.2in)

c Inlet dimensions: ¾” MNPT
d Operating temperature: 4oC to 32oC (39oF to 89.6oF)
e Operating humidity: 5% RH to 85%RH
f Minimum detectable limit: 1ppm•min at 30 cm/sec face velocity
g Color change: Light blue to black
h Storage temperature: 4oC to 25oC, (39oF to 77oF)
i Shelf life: 2 year at 4oC to 25oC, (39oF to 77oF)
j Service life: 2 year

Hydrogen Sulfide BTI. Drum type filter change indicator Useful Link

Hydrogen Sulfide BTIS. for ductless hood and fume extractor filters.

Useful Link

NIOSH

Hydrogen Sulfide Breakthrough Indicator (BTI-AFT)

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