200mm Collector Rain Gauge

The Texas Electronics, Inc. TR-525-W2 Rainfall Sensor with a WMO standard 200mm diameter funnel is a remote tipping bucket style rain gauge that measures liquid precipitation. The Rain Gauge is a freestanding receptacle for measuring precipitation. Through an opening at the top of the device, rain is collected and then funneled to a mechanical device, called a tipping bucket. As water is collected, the tipping bucket fills to the point that it tips over, causing a momentary closure of a switch to incrementally measure rainfall accumulation. This action empties the bucket in preparation for additional measurement. Water discharged by the tipping bucket passes out of the rain gauge with no need for emptying. The TR-525-W2 was specifically designed to meet the National Weather Service & World Meteorological Organization requirements for rainfall measurement.  


Availability: In stock

$425.00
Bulk Discounts Available
  • Buy 5 for $403.75 each and save 5%
  • Buy 15 for $393.13 each and save 7.5%
  • Buy 30 for $382.50 each and save 10%
  • Buy 100 for $371.88 each and save 12.5%

Stock is single reed switch but if you like we will install a dual reed switch.

Should be used where snow or freezing weather may occur. It consists of two low-power heating elements that prevent disruption in readings during freezing times. The heaters are thermostatically controlled with an additional thermal overload.

This allows an extended range of accuracy. This system allows control of the "flow rate" of accumulated precipitation. This metering geometry assures higher levels in both accuracy and repeatability during periods of extremely heavy rainfall.

All our 525 rain gauges are factory calibrated. Option 1. If you would like the printed certificate included. OR Option 2. If you like to prepay for 3 separate factory calibrations when you send in your gauge for recalibration we offer it at a discount.

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200mm Collector Rain Gauge

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Additional Information

Resolution 0.1 mm, 0.2mm, 0.5mm, 1.0mm (additional fee), 0.01"
Accuracy 0-2 in. (50 mm) per hour; +/-1%
Collector Diameter 200 mm with knife-edge
Funnel Depth 163 mm (6.4")
Splash out Protection 50 mm (2")
Operating Temp 32 to 158°F (0 to 50°C)
Storage Temp -40 to 185°F (-40 to 70°C)
Humidity Limits 0 to 100%
Weight 1.8 lbs.
Height 11.125"
Cable 10', 24 Gauge 2 Conductor
Switch Momentary potted reed switch
Switch Rating 30 VDC @ 2A, 115 VAC @ 1A
Switch Closure Time 135 ms
Bounce Setting Time 0.75 ms
Pivot Ground bronze pivots with hardened stainless steel shaft
Bucket Black PP injection molded
Level Integral Bubble Level
Warranty 3 years
Heater A rain gauge heater, HT-525, is available where snow or freezing weather may occur. It consists of two low-power heating elements that prevent disruption in readings during freezing times. The heaters are thermostatically controlled.

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