Product Information - 18811
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Anemometer Drive 20-990 RPM
Click picture for full size image. Manual, Version Date: November 2009  Manual


General Description

The Model 18811 Anemometer Drive is identical to Model 18802 except the drive motor incorporates a gear reducer for operation in the range of 20 and 990 RPM in 10 RPM increments. The lower range is recommended for cup anemometer calibration.

Model 18811 provides a convenient and accurate way to rotate an anemometer shaft at a known rate. The motor may be set to rotate clockwise or counter-clockwise. The LCD display is referenced to an accurate and stable quartz timebase. For completely portable operation, the unit can be operated on internal batteries. For extended operation, an AC wall adapter is included.

Specifications

Range: 20 to 990 RPM in 10 RPM increments
Rotation: Clockwise or Counter-Clockwise
Display Resolution: 0.1 RPM
Quartz Timebase Reference: 0.1 RPM
Power Requirement: 2x9 V (alkaline or lithium) batteries
115 VAC wall adapter included
(230 VAC - add suffix H)
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