Aranet stem micro variation and 4-20mA sensor combination offers full wireless solution for stem variation monitoring in greenhouses. The sensor allows investigating effects of irrigation rate and other environmental factors on water balance and growth of plants.
Aranet Stem Micro-Variation sensor is compatible with Aranet Cloud. Learn more
| Stem Micro-Variation Sensor SD-5Mi (4-20mA output) | |
| Measurements | Stem Micro-Variation |
| Measurement range | 0 to 5 mm |
| Stem diameter range | 5 to 25 mm |
| Output | 4 to 20 mA |
| Resolution | < 0.002 mm (w/filter) |
| Operating temperature | 0°C to 50°C (32°F to 122°F) |
| Supply Voltage | 10 to 30 VDC* |
| Power | max 2W |
* Power supply unit is not included.
For additional information about Stem micro-variation sensor, refer to www.phyto-sensor.com
| Aranet 4-20mA current Sensor | ||
| Measurements | 4-20 mA current | |
| Line of Sight Range | 3km/1.9 | |
| Operating environment | Indoor and Outdoor use | |
| Transmitter power | 14 dBm | |
| Frequency | Depends on base station instructions | |
| Measurement range | 0 – 30 mA | |
| Measurement accuracy | ± 0.5 % | |
| Measurement resolution | 0.01 mA | |
| Data Transmission | 1, 2, 5, 10 minutes | |
| Data Protection | Data encryption | |
| Power options | 1 AA Alkaline battery (Zn/Mn02) | |
| 1 AA Lithium battery (Li/FeS2) | ||
| Battery life @20°C/68°F | Up to 5 years with Alkaline battery | |
| Up to 7 years with Lithium battery | ||
| Operating temperature | -20°C to 55°C/ -4°F to 131°F with Alkaline battery | |
| -40°C to 60°C/ -40°F to 140°F with Lithium battery | ||
| Operating humidity | 0% – 100% | |
| Dimensions | 35mmØ x 120mm/ 1.4inØ4.7in | |
| Weight | 82g/2.9oz with Alkaline battery (1m/3.2ft probe) | |
| 74g/2.6oz with Lithium battery (1m/3.2ft probe) | ||
| Construction | ASA Plastic | |
| Cable length | 1m/3.2ft | |
| Compatible base stations |
Aranet PRO (from sw v1.4) | |
| Protection class | IP68 | |
| Marking | CE, FCC | |
| Included | 1 AA Alkaline battery, string | |
* For transducers using 4-20 mA as an output, the Aranet PRO web interface user software allows customer to define translation from detected mA values to a user defined measurement unit.
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