Sensidyne - Bộ hiệu chuẩn
dòng khí: 1 lít/ phút ÷ 30 LPM
Model: Challenger®
Hãng sản xuất: Sensidyne – Mỹ
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The Gilian Challenger® is an air flow
calibrator for verifying and calibrating Industrial Hygiene Air Sampling
Instruments and other air sampling devices. The Challenger® is accurate within
0.75% of reading and provides a LCD indication of Volumetric and Standard flow
rate, barometric pressure and ambient temperature.
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The heart of the Challenger® is the
Venturi. It is made from aluminum and has no sharp edges or moving parts. The
instrument, depending on the configuration, is capable of covering the flow rate
range of 1 to 30 LPM.
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Challenger® offers a 90% recovery of
pressure drop which is key to performing a reliable calibration. Because fl ow
through the instrument is uninterrupted, our graphic software provides a
continuous output display of all functions. This continuous output makes it
very simple to configure The Challenger®.
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Each unit is furnished with a high and
low flow venturi and NIST Traceable Certificate. Requires 4 AA batteries (not
included).
Features:
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Precise air flow calibration from 1-30
LPM
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Wide temperature range of -30° to +55° C
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Displays both actual and standard flow
rates
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Simple operation with no moving parts
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Truly portable, battery powered
calibrator
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Product Specifications
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Run Time: 20 hours minimum
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Flow Rate: 1-30 LPM
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Operational Temp: -30° C to 55° C
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Reading Temp: -30° C to 55° C (± 0.5° C)
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Barometric Range: 400 to 800 mm of Hg (±
5mm) (534 to 1066 millibars)
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Accuracy: 0.75% of reading or better
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Dimensions: 1.59 in. (4.04 cm) H X 3.90
in. (9.91 cm) W X 7.70 in. (19.61 cm) H
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Power: 4 AA Alkaline batteries
Weight: w/ 1 venturi 7.4 oz (209 g)
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