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034B-ET带有一个3-杯风速计和一个风向标。风速计使用轻巧的铝材料,可长期使用。034B的线缆长度为67英寸,满足ET107 或 ET106 ETo气象站的需求。
034B使用三杯风速计来监测风速,风速计包含一个密封的磁簧开关。风杯的旋转与风速成正比。数据采集器测量脉冲的频率,然后转换为工程单位(mPH,m/s,knots)。 风风向通过电位计测量。数据采集器为其提供激发电压,,输出电压与风向成正比。
Operating Temperature | -30° to +70°C |
Weight | 907 g (2 lb) |
Wind Speed (Anemometer) |
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Range | 0 to 75 m/s (0 to 167 mph) |
Accuracy < 10.14 m/s (22.7 mph) | 0.1 m/s (0.25 mph) |
Accuracy > 10.14 m/s (22.7 mph) | ±1.1% of true |
Resolution | (0.7998 m s-1) / (scan rate in seconds) or (1.789 mph) / (scan rate in seconds) |
Starting Threshold | 0.4 m/s (0.9 mph) |
Sensor Output | Pulsed contact closure |
Anemometer Radius | 10.7 cm (4.2 in.) |
Anemometer Height | 24.4 cm (9.6 in.) |
Wind Direction (Vane) |
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Mechanical Range | 360° |
Electrical Range | 356° (4° open) |
Accuracy | ±4° |
Damping Ratio | 0.25 |
Resolution | < 5° |
Potentiometer Resistance | 0 to 10 kΩ (open at crossover) |
The 034B-ET is a replacement part for the ET107 and ET106.
034B-ET: 1
The information included on a calibration sheet 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.