Product Information - CS700
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Hydrological Services Tipping Bucket Rain Gauge

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Model Cable Length
CS700 25 Ft
CS700-L Custom

Brochure, Version Date: February, 2008  Brochure
Manual, Version Date: July 2011  Manual 		Click picture for full size image.
Ask about our armoured cable for rain gauges

Features

  • Tips at 0.2 mm increments
  • Siphoning mechanism minimizes typical rain bucket errors
  • Orifice diameter is 200 mm (7.9 in)
  • Accuracy is ±2% at 25 - 500 mm/hr
  • Resolution is 0.2 mm
  • Measurement range 0 to 700 mm/hr
  • CM240 Mounting/Leveling Base recommended
  • Manufactured by Hydrological Services Ltd.

General Description

The CS700 rain gauge is manufactured by Hydrological Services Pty. Ltd. Rain funnels into a tipping bucket mechanism that tips when 0.2 mm of rain has been collected. Each tip is marked by a dual reed switch closure that is recorded by a Campbell Scientific datalogger pulse count channel. After measurement, the water drains through two orifices (accepts 12 mm tubing) in the base, allowing the measured water to be collected in a separate container.

The rain gauge includes a siphoning mechanism that allows the rain to flow at a steady rate to the tipping bucket mechanism regardless of rainfall intensity. This reduces typical rain bucket errors and produces accurate measurements, enabling the CS700 to record intense rainfall events.

The major difference between the CS700 and TB4 is their base. The CS700 has a powder-coated aluminum base whereas the TB4 has a UV stabilized plastic base.

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