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| Calibration | Yes |
The HC2S3-QD is a rugged, accurate temperature and humidity probe that is ideal for long-term, unattended applications. The probe uses an advanced capacitive sensor to measure relative humidity. The probe includes a filter to protect the sensor from dust and particles, for superior performance and reliability.
The HC2S3-QD comes with a polyethylene filter that protects its sensor from fine dust and particles and minimizes water absorption and retention. Alternatively, a Teflon filter is available for marine environments. The response time is slower when using the Teflon filter.
| Electronics Operating Limits | -40° to +100°C |
| Storage Temperature | -50° to +100°C |
| Filter | Polyethylene (standard) or Teflon (optional, ordered separately) |
| Current Consumption |
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| Supply Voltage | 5 to 24 Vdc |
| Startup Time | 1.5 s (typical) The startup time is Rotronics specification. For programming, Campbell Scientific recommends a 2 s delay at 60°C, 3 s delay at 0°C, and 4 s delay at -40°C. |
| Maximum Startup Current | < 50 mA for 2 μs |
| Diameter | 15 mm (0.6 in.) |
| Cable Length | 165.1 cm (65 in.) |
| Length |
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| Weight | 10 g (0.35 oz) |
Analog Outputs |
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| Offset at 0 V | ±3 mV (maximum) |
| Deviation for Digital Signal | < ±1 mV (0.1°C, 0.1% R. H.) |
Air Temperature |
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| Temperature Sensor | PT100 RTD, IEC 751 1/3 Class B |
| Measurement Range | -40° to +60°C (default) Air temperature measurement ranges from -50° to +100°C are possible; contact Campbell Scientific for more information. |
| Output Signal Range | 0 to 1 V |
| Accuracy at +23°C | ±0.1°C (with standard configuration settings) |
| Long-Term Stability | < 0.1°C/year |
| Sensor Time Constant |
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| Temperature Accuracy | Refer to the graph in the manual. |
Relative Humidity |
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| Sensor | ROTRONIC® Hygromer IN-1 |
| Measurement Range | 0 to 100% RH (non-condensing) |
| Output Signal Range | 0 to 1 Vdc |
| Long-Term Stability | < 1% RH per year |
| Response Time | Typical 10 s, 63% of a 35% to 80% RH step change (1 m/s air flow at sensor) |
| Accuracy at +23°C | ±0.8% RH (with standard configuration settings) |
| Sensor Time Constant |
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| RH Accuracy over Temperature | Refer to the graph in the manual. |
The military style connector attaches to the RAWS-F Fire Weather Quick Deployment Station, which has an on-board CR1000.
The HC2S3-QD should be housed in a 41003-5 10-plate naturally-aspirated solar radiation shield.
HC2S3-QD: 3
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大多数 Campbell Scientific 传感器的型号中都带有 –L，它表示用户指定线缆长度。如果传感器型号名称列有 –LX (这里 “X” 是其它的某个字符), 那么该传感器需要用户指定长度，但线缆尾端会配有用于某个独特系统的特殊快速接头：
如果一个传感器的主型号数字的后面没有被指定 –L 或其它的 –LX 字符，那么该传感器将具有固定的线缆长度。在产品页面订购栏中 (Ordering tab) 的描述字段的末尾，会列出线缆的长度。例如 034B-ET 型号的描述字段含有信息：Met One风传感器适用于ET气象站，67英寸线缆 (Met One Wind Set for ET Station, 67 inch Cable)。产品按固定的线缆长度做尾端处理，默认是尾线方式。
如果线缆尾端配有用于某个独特系统的特殊快速接头，则型号尾部的字符会指定该传感器用于哪一个系统。例如，034B-ET 型号表明该传感器是一个 034B 且用于 ET107 系统。
不是每一种传感器都有不同的线缆尾端选项。通过查找传感器产品页面的订购栏 (Ordering tab) 中的两个位置，可以检查某种特定传感器的可用的线缆尾端选项：
如果传感器以 –ET, –ETM, –LC, –LQ, 或 –QD 等版本的型号供应，那么线缆尾端选项已经反映在该传感器的产品型号中。例如，034B 以 034B-ET, 034B-ETM, 034B-LC, 034B-LQ, 和 034B-QD 等型号供应。
所有其它的线缆尾端选项，如果可用，会列在该传感器产品页面的订购栏 (Ordering tab) 中的线缆尾端选项 (“Cable Termination Options) 区域。例如，034B-L 风速风向传感器具有 –CWS, –PT, 和 –PW 等线缆尾端选项，显示在 034B-L 产品页面的 订购栏 (Ordering tab) 位置。
注： 当更新的产品添加到我们的库存中时，一般来说，我们会在单个传感器的产品型号下面列出多种线缆尾端选项，而不是创建多个产品型号。例如，HC2S3-L 具有 –C 线缆尾端选项用于连接到 CS110，而我们并没有使用 HC2S3-LC 产品型号。
Campbell Scientific 的很多传感器都有可行的不同线缆尾端处理选项，包括以下几种：
注： 线缆尾端选项的可行性因传感器而异。例如，传感器可能会有 无选项、两个选项或几个选项可供选择。如果预期的选项没有列在所指定的传感器中，请联系 Campbell Scientific 的应用工程师寻求帮助。