Emissions Measurement & Analysis >> Dekati Ltd

Dekati® eFilter™

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Dekati eFilter
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Detailed Specs

“Dekati® eFilter™ is a novel instrument that adds real-time PM detection into a standard gravimetric filter holder. The Dekati® eFilter™ assembly is approximately the same size as a normal PM filter holder and it fits directly into existing vehicle exhaust PM filter sampling systems. In addition to the standard gravimetric filter measurement, the Dekati® eFilter™ gives a real-time signal throughout the filter sampling period which allows monitoring PM accumulation on the filter during different stages of the filter sampling. This real-time signal can be used e.g. to control and verify the quality of the gravimetric PM measurement, to detect high emitting particle sources and to verify stable particle concentration in the sample during filter sampling. Standard gravimetric filter measurement that meets US EPA requirements
Compatible with existing gravimetric PM measurement filter holders and sampling systems
Automated and sensitive real-time PM measurement
Battery operated with internal pump for real-time PM measurement
Fully automated operation; gravimetric filter flow starts the real-time measurement automatically
Plug-and-play and maintenance free instrument
Replaceable real-time detection module
Can be used inside a 47 °C cabinet
Touch screen user interface
Separate charging station with automatic flow calibration
Data saved to a micro-SD memory card Specification: Primary sample flow rate : 20-100 lpm
Secondary sample flow rate : 0.5 lpm, automatically adjusted
Sensitivity : approx. 1 μg/m3 or 1000 #/cm3 for 70 nm particles
Saving interval : 1 s
Operating conditions : 10-50 °C
Filter holder : US EPA 40 CFR Part 86 Subpart N
Data transfer : Micro-SD card, USB
Dimensions : H225 x W85 x L90 mm
Weight : 1.5 kg
Inlet/outlet : Swagelok® quick connectors, G1/2′ thread”

Dekati eFilter