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a70 sdl

Model A70-SD

Wind Speed & Direction



The Model A70-SD system provides electrical signals proportional to wind speed and direction.

It accepts signals from anemometers with AC generators such as the Comptus A75-104.

The translator will operate with most potentiometric type wind vanes. The Translator may be in one of

several packages. It may be track mounted for installation in an existing enclosure. It may be

supplied in a steel NEMA 12 JIC box for inside deployment or in a steel NEMA 4 box when a

weather proof box is required.

The transmitter converts the information from the sensors to 4-20 ma signals proportional to wind

speed and direction.

Systems are available with outputs of 0-1 mA, 0-1 V, 0-5 V, or 4-20 mA. All systems may be

powered from either 24 VAC, 120 VAC, 230 VAC,  or 12 - 24 VDC.

The instruments are available in a variety of packages including steel JIC boxes meeting NEMA

12 standards, weatherproof fiberglass enclosures meeting NEMA 4X, IP66 and IEC 529 standards

and track mounted versions. NEMA 12 enclosures provide protection from dust for indoor

applications. NEMA 4X enclosures may be used indoors or outdoors. They provide protection

from corrosion, wind blown dust and rain and are undamaged by ice. Track mounted versions are

intended for mounting inside an enclosure provided by the user. Where required, electrical connection

to the sensor is via terminal block. A barrier strip is provided for connection to operating power.

Each system is provided with a detailed instructionmanual.



Range(Speed): /E - 0 - 100 MPH, /M - 0 - 50 M/S, /K - 0 - 160 KPH

Sensor: A75-104

Accuracy: 2 - 10 MPH +1 MPH, 10 - 200 MPH +5% of Reading

Range(Direction): 360 degrees continuous rotation

Sensor: A75-302

Threshold: Approx 1m/s (2.2 MPH)

Size: Track Mount 5.0” W X 7.0”L X 1” H

NEMA 12 6”W X 8”H X 4” D

NEMA 4X 6”W X 8”H X 4” D

Weight: Track Mount 1 lbs

NEMA 12 6 lbs

NEMA 4XFG 4 lbs

NEMA 4XSS 6 lbs

Operating Temperature: Electronics 0/60o C Sensor -40 / 60o C

Connectors: Barrier strips to accept AWG #12 or smaller wire

Options: Expanded Ranges

High Performance Sensors

Accessories: A96 Lightning protectors

A76-SD Mount

A70-LPDD Digital Display

C44 Two Level WindAlarm

C47 Four Level Wind Alarm


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