DL-1V.2 Low Volume Air Sampler

NOTABLE FEATURES:

Wide temperature range electronics
Data storage up to 60 days
RS-232 communication port
Display in English or metric units
Microprocessor controlled electronics
Flow rate measurement and volume totalizations
corrected to Standard Temperature and Pressure
Various selectable sampling modes
Precision machined venturi flow sensor
Auto zero calibration feature of flow sensor
Multiple on-board calculations with display
Flow rate accuracy within ±2.5% of full scale
Programmable chain of custody identification
Optional data communications package
220-240VAC, 50/60Hz; single phase
110V Units available
Vacuum Fluorescent Display (VFD); 2×24 characters
Certified to UL and CSA electrical safety standards by ITSNA (formerly ETL or Edison Testing Laboratories)

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GENERAL DESCRIPTION:
The Model DL-1EV.2 Air Sampling System is a microprocessor controlled low-volume air sampler consisting of an oil-less, carbon vane vacuum pump, with a constant airflow regulator for use where a nearly constant airflow is desirable. The regulator holds a constant pressure drop across an in-line orifice by varying the flow through a bypass valve into the pump. This system allows the pump to work at a minimum head drop at all times permitting it to run cooler, thus extending its service life. The oil-less pump requires no lubrication to maintain optimal efficiency during its service life. The pump is mounted on a base with four rubber feet. A handle is provided on the chassis to facilitate transportation.

The DL-1EV.2 has a bright VFD that has two (2) lines by 24 characters and utilizes wide temperature range electronic components for use in extreme ambient conditions.

The DL-1EV.2 Air Sampling system is designed for continuous indoor use. Please consult the product specifications for the design temperature range and the installation category.

The typical operating flow range is 0.5 to 4 CFM (14 – 115 LPM).