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Tipping Bucket Rain Gauge with Siphon 5600-0625, -0725

Tipping Bucket Rain Gauge with Siphon 5600-0625, -0725



Sutron’s 5600-0625 Tipping Bucket Rain Gauge with Siphon is recognized as the standard for measuring rainfall & precipitation in remote, unattended locations. Its primary feature is a 5 inch (127 mm), high-extended funnel catch to eliminate outsplash loss occurring with machined-rim gauges during heavy rainfall. The extended catch also decreases splash loss due to moderate or high cross winds. This new design closely resembles NOAA’s T-200B all-weather precipitation gauge’s catchment & data acquisition features.

The unit consists of a collector funnel, a stainless steel filter screen and a tipping bucket mechanism. The bucket tips when precipitation of 0.2 mm, 0.5 mm or 0.01 inch has been collected. Each tip, marked by a reed switch closure, can be recorded by a datalogger/DCP & transmitted by satellite, cellular or radio.

The Tipping Bucket performs a wide range of rainfall measurements. The receiver is 8.08” (205 mm) in diameter. The Tipping Bucket measures each 0.2, 0.5 mm or 0.01 inch of precipitation. It includes a siphon that allows rain to flow at a steady rate to the tipping bucket mechanism regardless of rainfall intensity. Due to its siphon design, typical heavy rainfall bucket errors become constant thus allowing the calibration process to minimize them. This built-in compensation process results in more accurate measurements for a range of 0 – 27” (700 mm) per hour enabling the 5600-0625 to record high accuracies over a broad range of rainfall intensities. The siphon can be dismantled for routine servicing.


  • World Standard 205 mm, 8.08 inch catch
  • Bucket Sizes 0.2 mm, 0.5 mm, or 0.01 inch
  • Extended catch for high intensity accuracy
  • Integrated siphon mechanism
  • Bubble level in base
  • Single reed switch output signal



Specifications subject to change without notice

Orifice Diameter 8.08 inches
Collection Area 330 cm2
Sensitivity One tip at 0.2mm, 0.5mm or 0.01 inch
Measuring Range 0-700 mm/hr, 0-27 inches/hr
Accuracy ±2% from 25-500 mm/hr
Siphon ~4 mL capacity stainless steel & non-hydroscopic polymer with inset screen
Bucket Injection molded non-hydroscopic ABS, UV-stabilized, chrome plated & balanced
Bearings Sapphire jeweled w/hard stainless steel shaft (pivots)
Level Bulls eye bubble level
Contact System Single reed switch, potted
Contact Capacity 24 VA (0.5 amp max)
Contact Time 0.1 seconds
Height 483 mm (19 inches)
Weight 3 kg (6.6 lbs)