Formaldehyde Breakthrough Indicator (BTI2). Indicates the saturation filters. The indicator is reliable and cost effect for protection from toxic chlorine dioxide. Easily connect to the 1? inch female NPT outlet of filter using the 1? inch male NPT threading at the bottom of the indicator. It is sensitive to targeted gases or vapors. The indicator is 4.5-inch-tall, 2-inch diameter. Unique design allow you can observe the bright vibrant color change from all directions.
Formaldehyde Breakthrough Indicator (BTI2) is reusable. Refill Kit Part Number: 411-5000
PN 411
Product Specifications
| a | Weight: | 129.5g (4.6oz) |
| b | Dimensions: | 11.43cm (4.5in), diameter 5.08cm (2.0in) |
| c | Inlet dimensions: | 1.5″ MNPT |
| d | Operating temperature: | -20oC to 55oC (-4oF to 131oF) |
| e | Operating humidity: | 5% RH to 85%RH |
| f | Minimum detectable limit: | 0.3ppm?hr at 30 cm/sec face velocity |
| g | Color change: | Brown to blue |
| h | Storage temperature: | 4oC to 25oC, (39oF to 77oF) |
| i | Shelf life: | 1 year at 4oC to 25oC, (39oF to 77oF) |
| j | Service life: | 1 year |
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