RAIN GAUGES

MODEL 2501 : Tipping Bucket Rain Gauge

General Description

The Model 2501 Rain Gauge was designed for the National Weather Service to provide a reliable, low-cost tipping bucket rain sensor. Its simplicity of design assures trouble-free operation, yet provides accurate rainfall measurements. The tipping bucket mechanism activates a sealed reed switch that produces a contact closure for each 0.01 in. or 1 mm of rainfall. The gauge has an 8 in. orifice and is manufactured of aluminum. Enclosure surfaces are powder coated gloss white. The funnel has a screen to prevent debris from entering the gauge. It is shipped complete with mounting brackets and 25 ft. of signal cable.

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Specifications

MODEL 2501 : SPECIFICATIONS

Sensor type: Tipping bucket

Output: Momentary SPST NO pulse

Switch: Sealed reed switch

Sensitivity: 1 tip per 0.01 in. or 1 tip per 1 mm

Accuracy: ± 3% up to 6 in./hr.

Contact rating: 3 watts, 28 Vac, 0.25 amps, 120 Vac

Size: 8 in. dia x 15 in. H

Mounting: 3 legs, ¼ in. diameter bolt holes on 9½ in. diameter bolt circle

Weight/shipping: 6 lbs/10 lbs.

 

Ordering Information

2501
Tipping Bucket Gauge with 0.01 in. Calibration

2501M
Tipping Bucket Gauge with 1 mm Calibration

2501C
Sensor Cable

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