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BTI AFT
Breakthrough Indicator with Auxiliary Filter Trap

Indicator: Length = 89.9mm (3.5”), diameter = 24.5mm (1”), Inlet & outlet = ¾” Male NPT

Auxiliary Filter Trap: Length = 41.0mm (1.6”), diameter = 81.5mm (3.2”), Inlet = ¾” Female NPT


BTI AFT

The breakthrough indicator with auxiliary filter trap (BTI AFT) is a colorimetric filter change indicator that indicate the saturation and exhaustion of carbon adsorbers and filters. It is reliable and cost effect means for protection from exposure to toxic gases and vapors in the work place. Indicator changes color when carbon adsorber, carbon scrubber and filter is saturated with target gases or vapors. Hence alerting the user to replace the exhausted carbon adsorber or filter. The BTI AFT is equipped with auxiliary filter trap to protect the indicating layer from changing color in a highly contaminated surrounding environments. The indicator is 3.5-inch-tall, 1-inch diameter and are easily connected to the ¾ inch female NPT outlet of the carbon absorber or filter using the ¾ inch male NPT threading at the bottom of the indicator. Auxiliary Filter Trap is 1.6-inch-tall, 3.2-inch diameter and ¾” Female NPT Inlet.

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Availability

Chemicals Detected

Part Number

Minimum Detectable

Shelf Life (months)

Service Life (months)

Operating Temperature

Acids

651

4ppm●min

14

14

-4oF to 131oF

Aliphatic Amines

652

4ppm●min

12

14

32oF to 122oF

Ammonia

654

10ppm●hr

24

18

-4oF to 149oF

Ammonia & hydrogen sulfide

655

10ppm●hr

24

18

-4oF to 149oF

Aromatic diisocyanates

656

0.15ppm●hr

12

12

32oF to 122oF

Aromatic diisocyanates & Hydrocarbons

657

12

12

32oF to 122oF

Basic Vapors

658

1ppm●min

12

14

32oF to 122oF

Chlorine Dioxide

667

0.3ppm●hr

12

12

-4oF to 122oF

Formaldehyde

659

0.4ppm●hr

14

14

-4oF to 131oF

Halogens

660

0.5ppm●hr

12

12

32oF to 122oF

HPLC Solvents

661

12

12

39oF to 89.6oF

Hydrazines

662

0.15ppm●hr

24

18

-4oF to 149oF

Hydrocarbons

652

12

12

39oF to 89.6oF

Hydrogen sulfide

663

1ppm●min

24

18

-4oF to 149oF

Hydrogen sulfide (water proof)

664

1ppm●min

24

18

-4oF to 149oF

Mercury & Mercury II Compounds

665

0.5mg/m3●hr

12

12

-4oF to 122oF

Contact us for details, HPLC Solvents Includes: Acetone, Acetonitrile, Chloroform, Ethanol, Ethyl acetate, Methanol, Methylene chloride and Tetrahydrofuran (THF)

BTI Inline

(3.5” x 1”, ¾” male, male NPT)

Filters Breakthrough Indicators Inline for Acids, Ammonia, Basic Vapors, Formaldehyde, Humidity, Hydrazine, Hydrogen Sulfide and Mercury
Filter Change Indicators

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