BTI 2 Filter Change Indicator

The indicators are 4.5-inch-tall, 2-inch diameter and are easily connected to the 1½ inch female NPT outlet of the carbon absorber or filter using the 1½ inch male NPT threading at the bottom of the indicator. The BTI 2 is available for ammonia, ammonia & hydrogen sulfide, chlorine dioxide, formaldehyde, hydrazine, hydrogen sulfide and mercury

$45.00

The breakthrough (saturation) indicators are colorimetric indicators that indicate the saturation and exhaustion of carbon adsorbers and filters. The indicators are reliable and cost effect means for protection from exposure to toxic gases and vapors in the work place. Indicators change color when carbon adsorbers, carbon scrubbers and filters are saturated with target gases or vapors. Hence alerting the user to replace the exhausted carbon adsorber or filter. The indicators are easily connected to the 1½ inch female NPT outlet of the carbon absorber or filter using the 1½ inch male NPT threading at the bottom of the indicator. It is highly sensitive to targeted gases or vapors. The indicator is 4.5-inch-tall, 2-inch diameter and you can observe the 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 and changes color only when carbon absorber or filter is saturated.

Chemicals Detected	Part Number	Minimum Detectable	Shelf Life (months)	Service Life (months)	Operating Temperature
Acids	401	4ppm●min	14	14	-4^oF to 131^oF
Acids Disposable	401 D	4ppm●min	14	14	-4^oF to 131^oF
Ammonia	403	10ppm●hr	24	18	-4^oF to 149^oF
Ammonia Disposable	403 D	10ppm●hr	24	18	-4^oF to 149^oF
Ammonia & hydrogen sulfide	402	10ppm●hr	24	18	-4^oF to 149^oF
Ammonia & hydrogen sulfide Disposable	402 D	10ppm●hr	24	18	-4^oF to 149^oF
Basic Vapors	414	1ppm●min	14	12	-4^oF to 131^oF
Basic Vapors Disposable	414 D	1ppm●min	14	12	-4^oF to 131^oF
Chlorine Dioxide	418	0.3ppm●hr	14	14	32^oF to 122^oF
Chlorine Dioxide Disposable	418 D	0.3ppm●hr	14	14	32^oF to 122^oF
Formaldehyde	411	0.4ppm●hr	14	14	-4^oF to 131^oF
Formaldehyde Disposable	411 D	0.4ppm●hr	14	14	-4^oF to 131^oF
Hydrazines	408	0.15ppm●hr	24	24	-4^oF to 149^oF
Hydrazines Disposable	408 D	0.15ppm●hr	24	24	-4^oF to 149^oF
Hydrogen sulfide	406	1ppm●min	24	18	-4^oF to 149^oF
Hydrogen sulfide Disposable	406 D	1ppm●min	24	18	-4^oF to 149^oF
Hydrogen sulfide WP	416	1ppm●min	24	18	-4^oF to 149^oF
Hydrogen sulfide WP Disposable	416 D	1ppm●min	24	18	-4^oF to 149^oF
Hydrogen sulfide WP HC Disposable	417	5ppm●hr	14	18	-4^oF to 149^oF
Hg & Hg II Compounds ①	412	0.5mg/m3●hr	12	12	32^oF to 122^oF
Hg & Hg II Compounds Disposable ①	412 D	0.5mg/m3●hr	12	12	32^oF to 122^oF

BTI 2 Refill Kits

Chemicals Detected	Part Number	Product Name
Acids	401-5000	ACIDS BTI 2 REFILL
Ammonia	403-5000	AMM BTI 2 REFILL
Ammonia & hydrogen sulfide	402-5000	AMM/HS BTI 2 REFILL
Basic Vapors	414-5000	BASES BTI 2 REFILL
Chlorine Dioxide	418-5000	CLO BTI 2 REFILL
Formaldehyde	411-5000	FORMAL BTI 2 REFILL
Hydrazine	408-5000	HYD BTI 2 REFILL
Hydrogen sulfide	406-5000	HS BTI 2 REFILL
Hydrogen sulfide WP	416-5000	HS BTI 2 WP REFILL
Hg & Hg II Compounds ①	412-5000	HG BTI 2 REFILL

Components of the BTI 2 refill Kit

Item No.	Description	No. of Items	Part Number
1	Colorimetric indicator Assembly	1	See table below for specific indicator
2	Cotter Pin (1/16” x 1/2”)	3	436-1300
3	Porous Plug	2	401-1400
4	Sorption media	1	Acids (PN: 401-5200), ammonia (PN: 403-5200), hydrogen sulfide (PN: 406-5200), formaldehyde (PN: 411-5200), hydrazine (PN: 408-5200), Mercury (PN: 414-52000

BTI 2 Filter Change Indicator

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