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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.
Read MoreThe 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.
Number of FAQs related to HC2S3-QD: 3
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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.
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