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A755 addSDI GPRS

A755 addSDI GPRS
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A755 addSDI GPRS

Product catalog summary
Overview: The A755 GPRS SDI-12 is a cost-effective data logger designed for multi-parameter sensors using the SDI-12 protocol. It can record up to 40 sensor values and includes a pulse input for rain gauges or flow meters. The device is housed in a durable aluminum case with waterproof connectors and is powered by an internal NiMH battery, rechargeable via a solar panel or a single-use Lithium-Thionyl battery.
Applications: The A755 is suitable for weather stations, soil moisture monitoring, and various scientific research and development applications.
Technical Specifications:
  • Dimensions: 160 x 60 x 80 mm
  • Weight: 1.150 g
  • Ingress Protection: IP-67
  • Temperature Range: -30°C to +65°C
  • Case Material: Powder-coated aluminum
  • Connectors: IP67 rated Binder connectors for SDI-12 and power supply, TNC antenna connector
  • Power Supply: 6.2 V NiMH battery (3,100 mAh) with solar panel/mains adapter
  • SDI-12 Bus Port: Supports up to 40 values
  • Pulse Input: 1x pulse counter, max. 30Hz
  • Sampling Interval: User-specific (10 sec to 12 hours)
  • Internal Memory: 2MB for up to 500,000 values
  • Operating Time: Up to 21 days in standard mode, up to 6 months in power-save mode
  • Frequency Range: 850/900/1800/1900 MHz
  • Rx Sensitivity: -106 dBm
  • Tx Output Power: Max. 2 W
  • Transmission Distance: Max. 36 km as per GSM standard
  • Expansion: Optional internal Modbus IF via RS 485
  • Antenna: Omnidirectional quad-band, 2dBi
  • Type Approvals: ACMA Australia, R&TTE, FCC Part 15, Industry Canada
Ordering Information:
  • 100.755.010 A755 GSM/GPRS SDI
  • 200.733.522 Solar Panel, 460mA
  • 200.800.017 / .018 Cable to SDI-12 sensor, 5m / 10m
  • 800.000.466 SDI-12 cabling box
  • 900.000.567 External GSM antenna for mast mounting
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.