034b-et风设置为ET站
可靠,准确的风测量
配置为使用Wiith Campbell Et站
weather applications water applications energy applications 气体通量和湍流应用 基础设施应用程序 soil applications

概述

The 034B-ET, manufactured by Met One, combines a three-cup anemometer and vane into a single integrated package to measure wind speed and direction. This wind set is constructed out of lightweight aluminum and is designed for continuous, long-term operation for your applications.

对于此版本的034B风机,电缆终止于连接器中,并且是连接到ET107或ET106 ETO气象站的理想长度。

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Detailed Description

The 034B-ET monitors wind speed using a three-cup anemometer that contains a sealed magnetic reed switch. Rotation of the cup wheel produces a pulse that is directly proportional to wind speed. The frequency of the pulse is measured by the data logger pulse count channel, then converted to engineering units (mph, m/s, knots).

Wind direction is sensed with a 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.

Specifications

工作温度 -30° to +70°C
Cable Length 170.18 cm(67英寸)
重量 907 g (2 lb)

Wind Speed (Anemometer)

范围 0至75米/秒(0至167英里/小时)
准确性< 10.14 m/s (22.7 mph) 0.1 m/s (0.25 mph)
准确性> 10.14 m/s (22.7 mph) ±1.1%的真实
解析度 (0.7998 m s-1)/(扫描速率以秒为单位)或(1.789英里/小时)/(扫描速率以秒为单位)
起始门槛 0.4 m/s (0.9 mph)
Sensor Output Pulsed contact closure
风速计半径 10.7 cm (4.2 in.)
Anemometer Height 24.4 cm (9.6 in.)

风向(叶片)

机械范围 360°
电力范围 356°(4°打开)
准确性 ±4°
Damping Ratio 0.25
解析度 < 5°
Potentiometer Resistance 0到10kΩ(交叉开放)
Vane Length 33.5 cm (13.2 in.)

Compatibility

The 034B-ET is a replacement part for the ET107 and ET106.


Frequently Asked Questions

Number of FAQs related to034B-ET:5

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  1. 信息包含在校准表differs with each sensor. For some sensors, the sheet contains coefficients necessary to program a data logger. For other sensors, the calibration sheet is a pass/fail report.

  2. 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:

    • An –LC model has a user-specified cable length for connection to an ET107, CS110, or retired Metdata1.
    • An –LQ model has a user-specified cable length for connection to a RAWS-P weather station.

    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.

    如果电缆用特殊连接器终止用于唯一系统,则型号的末尾指定哪种系统。例如,034B-ET模型将传感器指定为ET107系统的034B。

    • -et模型与ET107气象站的连接器终止。
    • –ETM models terminate with the connector for an ET107 weather station, but they also include a special system mounting, which is often convenient when purchasing a replacement part.
    • –QD models terminate with the connector for a RAWS-F Quick Deployment Station.
    • –PW models terminate with the connector for a PWENC or pre-wired system.
  3. 并非每个传感器都有不同的电缆终端选项。可以通过在传感器产品页面的“排序信息”区域中查看两个位置来检查特定传感器的选项:

    • Model number
    • 电缆终止选项列表

    如果在-ET中提供传感器,-ETM,-LC,-LQ或-QD版本,则该选项的可用性反映在传感器型号中。例如,034b作为034b-et,034b-etm,034b-lc,034b-lq和034b-qd提供。

    如果有可用的所有其他电缆终端选项将列在“电缆终止选项”下的传感器产品页面的“订购信息”区域上列出。例如,034B-L风装置具有-CWS,-PT和-PW选项,如034B-L产品页面的排序信息区域所示。

    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.

  4. This depends on the information contained in the calibration sheet:

    • 如果校准表包含系数信息,Campbell Scientific会保留副本,并且可以请求替换副本。
    • 如果校准表不包含系数,则Campbell Scientific不会保留副本。可以联系原始制造商以进行替换副本。
  5. Many Campbell Scientific sensors are available with different cable termination options. These options include the following:

    • -pt(-pt w / tinned wirs)选项是默认选项,并在产品行上显示其他选项。电缆终止于直接连接到数据记录器的尾纤。
    • In the –C (–C w/ET/CS110 Connector) option, the cable terminates in a connector that attaches to a CS110 Electric Field Meter or an ET-series weather station.
    • 在-wws(-cws w / cws900连接器)选项中,电缆终止于连接到CWS900系列接口的连接器中。与CWS900系列接口的连接允许传感器用于无线传感器网络。
    • In the –PW (–PW w/Pre-Wire Connector) option, the cable terminates in a connector that attaches to a prewired enclosure.
    • 在-RQ(-RQ W / RAWS连接器)选项中,电缆终止于连接到Raws-P永久远程自动化气象站的连接器中。

    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.


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