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CS215-L 温度和相对湿度传感器
Services Available
Repair Yes
Calibration No
Free Support Yes

概览

CS215是使用瑞士制造的元件,加工成的温度和相对湿度传感器。测量结果精确而稳定。元件基于Sensirion公司的CMOSens技术开发而来,在阿尔卑斯山脉条件下经过了2年多的测试。CS215采用SDI-12信号输出方式,可由大多数Campbell Scientific数据采集器来测量。

优势与特点

  • 精确且稳定的测量
  • 野外可更换的元件,允许现场重校准
  • 每个传感器元件进行了逐一校准,因此不需要进一步调节探头
  • 低功耗
  • SDI-12数字式输出

图像

CS215-L probe
CS215-L probe
CS215-L probe
CS215-L probe mounted with a 6-plate shield

技术说明

CS215采用Sensirion SHT75型组合式相对湿度和温度元件,来提供精确而稳定的测量。Sensirion SHT75元件可在野外更换,消除了由重校准产生的下线时间。CS215输出SDI-12信号,可由大多数Campbell Scientific数据采集器来测量。

CS215应该被固定在防辐射罩内,通常为41303-5A。41303-5A 6页防辐射罩为自然通风方式,可固定在主桅杆、横臂或直立塔的立柱上。

产品规格

Sensing Element Sensirion SHT75
Measurement Description Temperature, relative humidity
Signal Type/Output SDI-12
Communication Standard SDI-12 V1.3 (responds to a subset of commands)
Housing Material Anodized aluminum
Housing Classification IP65 (NEMA 4)
Sensor Protection Outer glass-filled polypropylene cap. Inner expanded PTFE filter. Filter material has a porosity of 64% and a pore size of < 3μm.
Supply Voltage
  • The supply voltage is typically powered by the data logger's 12 V supply.
  • 7 to 28 Vdc (for serial numbers E13405 and newer)
  • 6 to 18 Vdc (for older models)
Typical Current Drain
  • 120 μA (quiescent)
  • 1.7 mA (measurement takes 0.7 s)
EMC Compliance Tested and conforms to IEC61326:2002.
Operating Temperature Range -40° to +70°C
Field Replaceable Chip or Recalibrate Field-replaceable chip
Diameter
  • 1.2 cm (0.5 in.) at sensor tip
  • 1.8 cm (0.7 in.) at cable end
Length 18.0 cm (7.1 in.) including strain relief
Weight 150 g (5.3 oz) with 3.05 m (10 ft) cable

Relative Humidity

Measurement Range 0 to 100% RH (-20° to +60°C)
Output Resolution 0.03% RH
Accuracy
  • ±2% (10% to 90% range) at 25°C
  • ±4% (0% to 100% range) at 25°C
Short-Term Hysteresis < 1% RH
Temperature Dependence Better than ±2% (-20° to +60°C)
Typical Stability ±1.0% per year
Response Time with Filter < 20 s (63% response time in still air)
Calibration Traceability NIST and NPL standards

Air Temperature

Measurement Range -40° to +70°C
Output Resolution 0.01°C
Accuracy
  • ±0.3°C (at 25°C)
  • ±0.4°C (5° to 40°C)
  • ±0.9°C (-40° to +70°C)
Response Time with Filter < 120 s (63% response time in air moving at 1 m s-1)

兼容性

Sensor Mounts

When exposed to sunlight, the CS215 must be housed in a 41303-5A radiation shield. To attach the 41303-5A to a CM202, CM204, or CM206 crossarm, place the 41303-5A’s U-bolt in the bottom holes. To attach the radiation shield directly to a tripod mast, tower mast, or tower leg, place the U-bolt in the side holes.

The CS215-L Temperature and RH sensor can also be housed in the 43502 if a special adapter from R. M. Young (R. M. Young pn 43537) is used.

常见问题解答

CS215-L: 13

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