Features:

• Injection molded ABS base
• Integrated syphon control mechanism (12mL capacity)
• Dual output reed switches with varistor protection

Includes:

• (1) TB4 rain gauge
• (1) Sensor cable, 5m

Specifications:

• Receiver: 200 mm + 0.3 diameter heavy duty cast
• aluminium, Powder coated.
• Bucket capacity: Plastic: 0.2 mm, 0.5 mm,0.01 inch of rainfall.
• Metal: 1.0 mm of rainfall
• Sensitivity: one tip.
• Maximum intensity: 700 mm / hr.Calibration accuracy: capacity :0.1mm, 0.2mm , 0.01”, 0.5mm & 1.0 mm; Measuring range: 0-250 mm/hr ; 250-500 mm/hr Accuracy: +2 %; +5 %
• Humidity: 0 to 100 %
• Temperature: - 20 to +70<
• Contact system: dual reed switches potted in soft silicon rubber with varistor protection.; - Max Capacity: 24 Volts (0.5 amp max.)
  - Resistance: Initial contact resistance 0.1 OHMS; - M.T.B.F: 108 to 109 Operations

• Syphon: 0.4 mm (12 ml) capacity of rainfall - made from brass with a non hydroscopic outer case.
• Bucket: two types of buckets, synthetic ceramic coated brass bucket balanced to ±0.05 gms for 1mm bucket only , and injection moulded non hydro-scopic plastic ABS chrome plated UV stabilised balanced ±0.05 gms for 0.2mm, 0.5mm and 0.01”.
• Base: injection moulded non-hydroscopic ABS plastic UV stabilised.
• Level: bulls eye level fitted to base.
• Mounting holes: three 10 mm diameter mounting holes with 234 mm PCD cast in feet attached to outside diameter of base.
• Drain fittings: to attach 12 mm inside diameter tubing, to catch rainfall after passing through buckets.
• Pivots: two stainless spring steel rolling bearings, clamped at 90 degrees to bucket stainless spring steel axle.
• Insect covers: stainless steel mesh on all openings to prevent insects and ants entering gauge.
• Outer enclosure: keyed to enable the release of the outer enclosure without the need for the removal of the three securing screws.
• Height / Weight: 315mm / 2 kg
• Packed: Dimensions: 3 kg 0.03m3