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The R1-5 sensor is tipping bucket-type device
designed for use in remote monitoring. A
lead switch or mercury lead switch detects
each tip of the collection bucket, which
pours out a specified amount of rain that
has entered through the 200 mm diameter inlet,
and a connection pulse signal is output.
The sensor is connected to an electrical
contact or magnetic counter using a 2-pole
cable. Options available with the R1-5 sensor
include a heated version for use in cold
locations (RJ1-5), and a sensor with two
contact outputs (R1-5W). |
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Allows remote observation, compact and lightweight, affordable, highly durable stainless steel body and polycarbonate sensor unit |
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Model | Tipping bucket |
Inlet diameter | 200 mm |
Single-tip volume | 0.5 mm (15.7 cc), 1.0 mm (31.4 cc), 0.25 mm (7.85 cc) |
Accuracy | ±0.5 mm with rainfall of 20 mm/h or more |
±3%F.S. with rainfall of less than 20 mm/h | |
Output signals | Electrical contact signal (contact time of at least 0.1 s) |
R1-5 single contact output | |
R1-5W dual contact output | |
Power source | Heated model requires a 100 V AC power source |
Size | Approx. 222 mm diam. × 450 mm |
Weight | Approx. 1.9 kg, or 3.0 kg with heater |
Standard specifications | R1-5: 200 mm inlet, 0.5 mm tip, lead switch, single-contact output |
Other available sensors | R2-5: 1.0 mm tip R3-5: 0.25 mm tip |