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Stevens - Model TB3 -Tipping Bucket Rain Gauge
The TB3 tipping bucket rain gauge features an integrated siphon mechanism designed to provide precise measurements across a wide range of rainfall intensities. Each unit comprises a collector funnel equipped with a stainless-steel leaf filter, an integrated siphon control system, an outer enclosure secured with quick-release fasteners, and a base housing the tipping bucket mechanism. The device is equipped with dual output reed switches protected by varistors to safeguard sensitive components against transient voltage spikes, as well as dual rainfall discharge outlets for water collection and analysis.Most popular related searches
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The bucket tips when precipitation of 0.01″, 0.2 mm, 0.5 mm or 1.0 mm has been collected. Each tip activates a reed switch closure which is detected by a data logger and/or telemetry system.
It’s also available with a larger collector measuring 11.1″ (282.8 mm) in diameter.
- Receiver : 200 mm (8 inch) or 282.8 mm (11.1 inch) diameter with machined aluminum rim
- Sensitivity : One tip at 0.2, 0.5, 1.0 mm or 0.01 inch
- Measurements : Range: 0-700 mm/hour
- Accuracy: ± 2% 25-500 mm/hour, ± 1 tip from 1-25 mm/hour
- Sensor : Tipping bucket with siphon
- Siphon : 0.4mm capacity of rainfall - made from brass with a non-hygroscopic outer body
- Contacts : Type: dual reed-switch (make contact), momentary
- Rating:12 VA (0.5 amp max)
- Duration: 0.1 second
- Physical dimensions : Height x diameter: 342 mm (13.5") x 229 mm 9"
- Weight: 3 kg (6.6 lbs)
- Bucket : Chrome plated, injected moulded non-hygroscopic ABS balanced ± 0.05 gms
- Base : Die-cast aluminium
- Mounting holes : Three (3) 10mm diameter mounting holes
- Drain fittings : Able to attach 12 mm inside diameter tubing, to catch rainfall after passing through buckets
- Pivots : Ground sapphire pivots with stainless steel shaft
- Insect covers : Stainless steel mesh on all openings to prevent insects from entering gauge
- Outer enclosure : Keyed to enable the release of the outer enclosure without the need for the removal of the three securing screws