BTI Inline
Nitrogen Dioxide Breakthrough Indicator Inline
Filter Replacement Indicator  Process Vent Filter Change Indicator

Item No. 620
Nitrogen Dioxide BTI Inline
(3.5" x 1", ¾” MM NPT)


The nitrogen dioxide breakthrough indicator inline is a colorimetric indicator that indicates the saturation and exhaustion of carbon absorbers and filters. The indicator is reliable and cost effect means for protection from exposure to toxic nitrogen dioxide gas in the work place. The indicator change color from yellow to red when carbon absorbers and filters are saturated with nitrogen dioxide. Hence alerting the user to replace the exhausted carbon absorber or filter. The indicator is easily connected in-line with ¾” male, male NPT inlet and outlet. It is highly sensitive to acid gases and vapors. It operates at temperatures -20oC to 55oC (-4oF to 131oF) and humidities 5% RH to 85%RH. The indicator is 3.5 inch tall, 1” diameter and you can observe the bright vibrant color change from all directions. The indicator has extended service life of 14 months and 1 year shelf life.

Product Specifications

a

Weight:

28g (1.0oz)

b

Dimensions:

89.9mm (3.5in), diameter 24.5mm (1.0in)

c

Inlet and outlet dimensions:

¾" MNPT

d

Operating temperature:

-20oC to 55oC (-4oF to 131oF)

e

Operating humidity:

5% RH to 85%RH

f

Minimum detectable limit:

0.5ppm•hr at 30 cm/sec face velocity

g

Color change:

Yellow to orange to dark red

h

Storage temperature:

4oC to 25oC, (39oF to 77oF)

i

Shelf life:

14 months at 4oC to 25oC, (39oF to 77oF)

j

Service life:

14 months

Refill Kit
THE NITROGEN DIOXIDE BTI INLINE CAN BE REUSED BY REPLACING THE EXHAUSTED NITROGEN DIOXIDE INDICATOR WITH FRESH ACID VAPORS INDICATOR ASSEMBLY.

Nitrogen Dioxide BTI Inline Refill Kit Item No.620-5000 Includes:
1- One Nitrogen Dioxide Indicator Assembly (Item No. 620-1600)
2- Two Porous Plugs (Item No. 617-1400)

Miniature-Hook Pick (Item No. 431-9100) Optional


Please call us (1-855-243-6837) or email us

Nitrogen Dioxide Breakthrough Indicator Inline
Filter Replacement Indicator  Process Vent Filter Change Indicator

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