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260-RGAI-70 Rain Gauge Analog Interface

Rain Gauge Analog Interface
260-RGAI-70 Rain Gauge Analog Interface
The 260-RGAI-70 Rain Gauge Interface converts the signal from a tipping bucket rain gauge into a 4-20 mA current loop signal, ideal for input to a PLC or SCADA system. Each tip of the rain gauge bucket causes the output signal to increase 1% of full scale. Full scale represents 100 tips of the bucket.
Product Details

Applications

  • Meterological Studies
  • Irrigation Monitoring/Control

Features

  • +/- 1% Accuracy
  • 4-20 mA Loop Powered
  • 12-24 Vdc Input
  • NEMA Enclosure
  • Rain Detector Mode (4mA = no rain, 20mA = rain detected)

The 260-RGAI-70 can be used with any tipping bucket gauge that has a dry contact output. The calibration of the gauge can be inches or millimeters. A common calibration unit is 0.01" of rainfall per tip of the bucket. In this case, the full scale output (20mA) represents 1 inch of rain. The output remains constant at the end of each tip until the next tip occurs.

Specifications

  • Accuracy
    • Electronics: +/- 1%
    • Rain Gauge: depends on model chosen
  • Input: Dry contact switch closure (rain gauge sold separately)
  • Output: 4-20 mA Loop Powered (12-24 Vdc supply)
  • Maximum Loop Resistance: Rmax = (Vsupply - 10V) / 20mA
  • Rain Detect Mode: User selectable 1-80 minute pulse period
  • Environmental: 30°F to 158°F (0°C to 70°C) -40°C to 70°C available
  • Dimensions: 3.8" x 4.6" x 2.4" (97 x 117 x 61 mm)
  • Weight / Shipping: 0.35 lbs / 1 lb ( 159g / 454 g)
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