HOBOnet Multi-Depth Soil Moisture Sensor

Jika anda berminat untuk membeli alat HOBOnet Multi-Depth Soil Moisture Sensor yang disediakan oleh Global Intan Teknindo, silahkan anda langsung hubungi kami melalui :

PT. Global Intan Teknindo

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Deskripsi

Overview

Sensor nirkabel pemenang penghargaan yang bekerja dengan sistem HOBOnet untuk mengukur kelembapan tanah dan suhu tanah pada berbagai kedalaman dengan satu probe. Dengan pemasangan yang cepat dan mudah, sensor tahan lama dan probe 3 segmen ini mengukur hingga kedalaman 45 cm (18 inci).

Dilengkapi dengan teknologi TDT5 GroPoint dengan desain antena yang telah dipatenkan, sensor ini mengukur kelembapan tanah di sepanjang setiap segmen probe, sehingga menghasilkan volume pengaruh terbesar per bagian pengukuran. Frekuensi pulsa yang tinggi per pengukuran memberikan data kelembaban tanah yang tepat dan konsisten.

Features

Sensor Features

  • Probe length: 45 cm (18 in)
  • Soil moisture measurements over entire probe segment lengths
  • Soil temperature measurements at multiple points
  • Largest volume of influence per measurement (2 L volume of influence per 15 cm segment)
  • Advanced filtering of 400,000 pulses per measurement eliminates outlying readings and provides precise, repeatable soil moisture data
  • Polycarbonate housing and epoxy-sealed circuit board protect vital components during installation and throughout deployment
  • Easy installation with minimal soil disturbance, and no digging required when using the optional pilot rod and slide hammer

Wireless Features

  • Sub-GHz wireless mesh self-healing technology
  • 450 to 600 meter (1,500 to 2,000 feet) wireless range and up to five hops
  • Up to 50 wireless sensors or 336 data channels per one HOBO RX station
  • Simple button-push to join the HOBOnet wireless network
  • Onboard memory to ensure no data loss
  • Powered by rechargeable AA batteries and built-in solar panel

Spesifikasi

Soil Moisture: Volumetric Water Content (VWC)
Measurement RangeIn soil: 0 to 0.550 m³/m³ (volumetric water content)
Accuracy±0.02 m³/m³ (±2%) in most soils typical from 0° to 50°C (32° to 122°F)*
Resolution0.001 m³/m³
Temperature
Measurement Range-20° to 70°C (-4° to 158°F)
Accuracy±0.5°C (0.9°F)
Resolution0.1°C (0.18°F)
Depths Measured (see below)
RXW-GP3-xxx45 cm (18 inches) total; three soil moisture zones, six temperature depths
RXW-GP4-xxx60 cm (24 inches) total; four soil moisture zones, seven temperature depths
RXW-GP6-xxx90 cm (35 inches) total; six soil moisture zones, eleven temperature depths
Wireless Mote
Operating Temperature RangeSensor: -20° to 70°C (-4° to 158°F) Mote: -25° to 60°C (-13° to 140°F) with rechargeable batteries -40° to 70°C (-40° to 158°F) with lithium batteries
Radio Power12.6 mW (+11 dBm) non-adjustable
Transmission RangeReliable connection to 457.2 m (1,500 ft) line of sight at 1.8 m (6 ft) high Reliable connection to 609.6 m (2,000 ft) line of sight at 3 m (10 ft) high
Wireless Data StandardIEEE 802.15.4
Radio Operating FrequenciesRXW-GPx-900: 904–924 MHz RXW-GPx-868: 866.5 MHz RXW-GPx-921: 921 MHz RXW-GPx-922: 916–924 MHz
Modulation EmployedOQPSK (Offset Quadrature Phase Shift Keying)
Data RateUp to 250 kbps, non-adjustable
Duty Cycle<1%
Maximum Number of MotesUp to 50 wireless sensors or 336 data channels per one HOBO RX station
Logging RateMaximum logging interval: 18 hours Recommended minimum logging interval:
Using Solar Power with Rechargeable BatteriesUsing Non-Rechargeable Lithium Batteries
RXW-GP3-xxx:5 minutes year round10 minutes
RXW-GP4-xxx:5 minutes summer, 10 minutes winter15 minutes
RXW-GP6-xxx:5 minutes summer, 10 minutes winter15 minutes
See Battery Life specification for more details.
Number of Data ChannelsRXW-GP3-xxx: 10 RXW-GP4-xxx: 12 RXW-GP6-xxx: 18
Battery Type/ Power SourceTwo AA 1.2V rechargeable NiMH batteries, powered by built-in solar panel or two AA 1.5 V non-rechargeable lithium batteries for operating conditions of -40 to 70°C (-40 to 158°F)
Battery LifeWith NiMH batteries: Typical 3–5 years when operated in the temperature range -20° to 40°C (-4°F to 104°F) and positioned toward the sun (see Mounting and Positioning the Mote), operation outside this range will reduce the battery service life With non-rechargeable lithium batteries: RXW-GP3-xxx: 1 year with a 10-minute logging interval RXW-GP4-xxx: 1 year with a 15-minute logging interval RXW-GP6-xxx: 7 months with a 15-minute logging interval
Memory16 MB
DimensionsRXW-GP3-xxx sensor length: 53.2 cm (20.9 inches) RXW-GP4-xxx sensor length: 68.2 cm (26.9 inches) RXW-GP6-xxx sensor length: 98.2 cm (38.7 inches) Sensor diameter: 3 cm (1.2 inches) Cable length: 3 m (9.8 ft) Mote: 16.2 x 8.59 x 4.14 cm (6.38 x 3.38 x 1.63 inches)
WeightRXW-GP3-xxx sensor: 351 g (12.4 oz) RXW-GP4-xxx sensor: 408 g (14.4 oz) RXW-GP6-xxx sensor: 526 g (18.6 oz) Cable: 190 g (6.7 oz) Mote: 223 g (7.87 oz)
MaterialsSensor: Polycarbonate housing encasing epoxy sealed circuit board Cable: Polyurethane Mote: PCPBT, silicone rubber seal
Environmental RatingMote: IP67, NEMA 6
*Soil-specific calibration requires user post-processing in a spreadsheet program such as Microsoft® Excel® or a utility and connector as recommend by RioT Technology Corp., manufacturer of GroPoint sensors. Refer to Performing a Soil-Specific Calibration in the manual for details. 
CE Compliance Mark
FCC Compliance Mark
Taiwan Compliance Mark
Australia New Zealand Compliance Mark

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