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The HygroVUETM10 utilises a latest generation, Swiss-made, combined relative humidity and temperature element based on CMOSens® technology that offers good measurement, accuracy and stability.

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Funktionen und Vorteile

  • Uses a combined, pre-calibrated digital humidity and temperature element
  • Field-changeable element for fast, on-site recalibration
  • Digital SDI-12 output, allowing long cables with no added errors
  • Simple data logger programming
  • Low power consumption
  • Wide operating voltage
  • Rugged design with potted electronics
  • Standard M12 connector with IP67 sealing rating


HygroVUE™10 installed in a shield (sold separately)

Technische Beschreibung

The element is a new, more accurate version of that used in the popular Campbell Scientific CS215 probe of which 20,000 have been bought over a period of 14 years.
The HygroVUETM10 is specifically designed for field use with dimensions to suit common radiation shields (the RAD10E is recommended).
It features a digital SDI-12 output allowing simple connection and measurement by many data logging systems. The digital output avoids the extra errors associated with measuring analogue probes.


When the sensor is used outdoors it is standard practice to install the sensor within a housing, known as a shield, to prevent solar radiation heating the sensor and thereby creating errors in the measurements. The shield also gives a degree of protection from adverse weather, e.g. hail, driving rain. The most common type of shield is a relatively small, naturally ventilated screen that is low maintenance and requires no power.
Campbell Scientific offers and recommends the RAD10E shield for this probe as it performs better than most other shields of a similar design. That shield can be mounted on vertical or horizontal poles . Please request a leaflet for further details. For continuity with long term measurements some meteorological services sometimes require use of larger, more expensive, Stevenson screens.
Alternatively, for best accuracy a ventilated shield can be used, such as the 43502, although these require significant power. These are attached either to a crossarm or a tripod or tower mast using a U bolt.

Field Calibration

Calibration is easy to carry out by simply changing the sensor element. As each sensor element is individually calibrated no further adjustments of the probe are required. This means that changing the element returns the probe to the factory calibration state for both temperature and humidity without interrupting the measurements for long periods. 


Sensing Element: Sensirion SHT35
Communication Standard: SDI-12 V1.4 (responds to a subset of commands)
Supply voltage: 7-28V DC
Current drain (maximum):
Quiescent: 100 µA quiescent,
During measurement: 1.5 mA (takes 0.5 sec)
EMC Compliance: Tested and conforms to IEC61326:2013
Standard Operating Temperature Range: -40° to +70°C
Main housing material: UV stable, white PET-P
Electronics sealing classification: IP67
Sensor Protection: Outer glass-filled polypropylene cap fitted with a stainless steel mesh dust filter with nominal pore size of <30 µm. The sensor element has a PTFE protective film with a filtration efficiency of >99.99% for particles of 200 nm or larger size.
Length without cable fitted: 180 mm (7.1 in)
Diameter of the sensor cap: 12 mm (0.5 in)
Diameter of body at connector: 18 mm (0.7 in)
Weight of probe body: 50 g (1.8 oz)
Weight with 5 m cable 250 g (8.8 oz)
Sensor connector: M12, male, 4-pole, A-coded
Cable: Polyurethane sheathed, screened cable, nominal diameter 4.8 mm
Cable lengths available: 3, 5 and 10 metres as standard fitted with moulded connectors. User specified cable lengths are available at extra cost, fitted with a rewirable connector.

Relative Humidity Measurement
Measurement Range: 0 to 100% RH
Accuracy (at 25°C) (relative to factory standards): Over the range 0-80% RH: typical ±1.5%, worst case ±2% RH Over the range 80-100% RH: typical ±2%, worst case ±3% RH
Short term hysteresis: <1% RH
Additional errors at other temperatures: less than ±1% RH over -40° to 60°C
Long-term stability (maximum drift in clean air conditions): ±0.5% per year
Reported resolution: 0.001% RH
Repeatability (defined as 3σ): 0.05% RH
Response time with filter: 8 s (63% response time in air moving at 1 m/s)
Temperature Measurement
Standard measurement range: -40°C to +70°C
Accuracy: Over the range -40 to +70°C: typical ±0.2°C, worst case ±0.3°C. Over the range +20 to +60°C: typical ±0.1°C, worst case ±0.3°C.
Long term drift <0.03°C/yr.
Reported resolution: 0.001°C
Repeatability (defined as 3σ): 0.04°C
Response time with filter: <130 s (63% response time in air moving at 1 m/s-1)
Calibration traceability: NIST and NPL standards

Kompatibel mit

Please note: The following shows notable compatibility information. It is not a comprehensive list of all compatible products.


Product Compatible Note
CR200X (retired)
CR216X (retired)
CR5000 (retired)


Product Compatible Note