Bodenfeuchtemessungen
Überblick
Das Hydrosense2 ist das Display für die neuen Hydrosense-II Bodenfeuchtesensoren CS658 und CS659. Es ist der Nachfolger des alten Hydrosense-Systems. Das Hydrosense 2 ist sehr kompakt und kann mit einer Hand bediert werden. Eine integrierte GPS-Einheit ermöglicht das Speichern des Standortes zusammen mit dem Messwert.
Lesen Sie mehrFunktionen und Vorteile
- Kompakt und leicht
- Read real-time soil-water content measurements in the field
Bilder
Technische Beschreibung
Handheld Display
The display consists of a 76 mm LCD and four navigation buttons that make changing settings and taking measurements as easy as possible. An integrated GPS tags each measurement with a latitude and longitude.
Zones can be created on the unit which group measurements together so that average soil moisture can be calculated for an area. The current position and zone are shown on the display so that measurements can be taken in the same zone.
Data storage has been added to allow more than 1000 measurements to be stored on the device. The data can then be downloaded to a PC via Bluetooth for viewing and archiving.
Soil Moisture Probe
The new soil moisture probe uses the same accurate measurement technique as the old probe, but the probe housing has been redesigned to aid insertion into and removal from hard soils. The probe rods are secured to the probe housing with ferrule nuts to provide extra stability during insertion. A molded plastic grip connects the sensor cable to housing to provide better grip.
Software
New PC software has been developed to make the most of the data storage capability of the HS2. The software connects to the HS2 via Bluetooth to avoid the need for extra cables.
The software allows the user to:
- View data in table and chart views
- Edit zone positions and sizes
- Change device settings
- Export data to CSV to interface with 3rd party software
- View zones and measurements in Google Earth
Spezifikationen
| Measurements Made | Volumetric water content (VWC) of porous media (such as soil) |
| Required Equipment | HS2 is a complete system. |
| Soil Suitability | Short rods are easy to install in hard soil. Suitable for soils with higher electrical conductivity. |
| Rods | Replaceable |
| Sensors | Interchangeable sensors; can swap the 12 cm and 20 cm sensors with the reader. |
Handheld Display |
|
| Display | 128 x 64 pixel graphic LCD |
| Backlight | Blue and white LED (brightness-adjustable) |
| GPS Accuracy |
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| Bluetooth Range | ~10 m (~30 ft) |
| Data Storage | > 1000 records (ring memory) |
| Zone Storage | > 100 records |
| Power Supply | 6 Vdc, 4 AA batteries |
| Battery Life | 6 to 12 months (typical usage) |
| Dimensions | 200 x 100 x 58 mm (7.9 x 3.9 x 2.3 in.) |
| Weight | 340 g (12 oz) |
Typical Power Consumption of Display |
|
| Sleep | 20 µA |
| Backlight Off | 2 mA |
| Backlight at 60% | 18 mA |
| Backlight at 100% | 30 mA |
| GPS Active | 35 mA |
| Bluetooth Active | 30 mA |
Probe Options |
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| -NOTE- | The CS659 and CS658 cannot share rods. |
| Water Content Accuracy |
|
| Volumetric Water Content Resolution | < 0.05% |
| Volumetric Water Content Range | 0% to 50% VWC |
| Cable Type | Spiral |
| Cable Length | 250 cm (98 in.) extended |
| Rod Diameter | 5 mm (0.14 in.) |
| Rod Length |
|
| Body Dimensions | 100 x 92 x 40 mm (3.9 x 3.6 x 1.6 in.) |
| Weight | 450 g (15.9 oz) |
Kompatibel mit
System
The HS2 is the display used in the Hydrosense II System.
Water Content Sensors
The water content sensor is ordered as an option, and may also be purchased separately. Either the CS658 or CS659 can be used with the HS2. The CS658 has 20-cm rods, and the CS659 has 12-cm rods.
Note: The CS658 and CS659 cannot share rods (i.e., 12-cm rods cannot be used with the CS658, and 20-cm rods cannot be used with the CS659).
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FAQs für
Number of FAQs related to HydroSense II: 19
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No. The displays and sensors are not interchangeable between the HydroSense and HydroSense II.
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Four AA batteries power the HS2. The batteries are user replaceable.
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As stated in the "Connecting via Bluetooth" subsection in the "Data Storage and Retrieval" section of the HS2 Instruction Manual: “The first time the HydroSense II unit is used with a new computer, the computer and HydroSense II must be ‘paired’ before a connection can be made. The pairing code is ‘1234.’” For more information, see the "Connect to a Device" subsection of the "Quickstart" section of the HydroSense II Support Software User Guide.
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No. These products are retired.
- The CD620 display was replaced by the HS2.
- The CS620 Water Content Sensor was replaced with the CS658 and CS659.
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A detailed comparison can be found in Table 4-1 in the "Overview" section of the HS2 Instruction Manual.
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When Deficit Mode is used, a negative RWC value indicates that the water content is below the dry reference. For more information, see the "Water Deficit Data" subsection in the "Operation" section of the HS2 Instruction Manual.
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No. The HS2 uses Bluetooth communication.