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The 024A Wind Vane measures wind direction from 0 to 360 degrees with a 5 degree accuracy specification. Wind direction is sensed with a 10 kohm potentiometer. With the precision excitation voltage from the data logger applied to the potentiometer element, the output signal is an analog voltage that is directly proportional to the azimuth of the wind direction.
|Operating Range||0 to 360°|
|Threshold||0.45 m s-1 (1.0 mph)|
|Operating Temperature Range||-50° to +70°C (assumes non-riming conditions)|
|Delay Distance||< 1.5 m (5 ft)|
|Height||33.8 cm (13.3 in.)|
|Length||44.7 cm (17.6 in.)|
|Vane Height||30.5 cm (12 in.)|
|Vane Width||7.6 cm (3 in.)|
|Weight||450 g (1 lb)|
|Sand, Dust, and Fungus||MIL-E-5272|
|Resistance||0 to 10 kΩ|
Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.
The 024A can be attached to a crossarm via a 17953 NU-RAIL fitting or a CM220 Right Angle Mounting Bracket. Alternatively, the 024A can be attached to the top of a CM106B or a stainless-steel tripod via the CM216 Sensor Mounting Kit. The CM216 extends 4 in. above the mast of the tripod.
The 024A uses one single-ended input channel on the data logger. An excitation channel is required but due to the high impedance of the 024A, can be shared with other high impedance sensors.
The 024A is read by the BrHalf instruction in CRBasic and by Instruction 4 (Excite-Delay-Single-ended Measurement) in Edlog.
Number of FAQs related to 024A: 4
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Not every sensor has different cable termination options. The options available for a particular sensor can be checked by looking in two places in the Ordering information area of the sensor product page:
If a sensor is offered in an –ET, –ETM, –LC, –LQ, or –QD version, that option’s availability is reflected in the sensor model number. For example, the 034B is offered as the 034B-ET, 034B-ETM, 034B-LC, 034B-LQ, and 034B-QD.
All of the other cable termination options, if available, are listed on the Ordering information area of the sensor product page under “Cable Termination Options.” For example, the 034B-L Wind Set is offered with the –CWS, –PT, and –PW options, as shown in the Ordering information area of the 034B-L product page.
Note: As newer products are added to our inventory, typically, we will list multiple cable termination options under a single sensor model rather than creating multiple model numbers. For example, the HC2S3-L has a –C cable termination option for connecting it to a CS110 instead of offering an HC2S3-LC model.
Most Campbell Scientific sensors are available as an –L, which indicates a user-specified cable length. If a sensor is listed as an –LX model (where “X” is some other character), that sensor’s cable has a user-specified length, but it terminates with a specific connector for a unique system:
If a sensor does not have an –L or other –LX designation after the main model number, the sensor has a set cable length. The cable length is listed at the end of the Description field in the product’s Ordering information. For example, the 034B-ET model has a description of “Met One Wind Set for ET Station, 67 inch Cable.” Products with a set cable length terminate, as a default, with pigtails.
If a cable terminates with a special connector for a unique system, the end of the model number designates which system. For example, the 034B-ET model designates the sensor as a 034B for an ET107 system.
Many Campbell Scientific sensors are available with different cable termination options. These options include the following:
Note: The availability of cable termination options varies by sensor. For example, sensors may have none, two, or several options to choose from. If a desired option is not listed for a specific sensor, contact Campbell Scientific for assistance.