RGS-100HL

SIPHONING RAIN GAUGE & LOW LEVEL FLOW METER


• PROVEN TECHNOLOGY REPLACES TIPPING BUCKET
• MAY BE USED AS A RAIN GAUGE OR A LOW LEVEL FLOW METER.

• EXTREMELY ACCURATE from 0 to 500 mm/hr of rain or 0 to 5.0 liters /hr volume of water flow.
• AUTOMATIC INSTANTANEOUS COLLECTION & RESPONSE

• O/P = 1 MOMENTARY SWITCH CLOSURE FOR EVERY 0.2 mm of rain or 2.0 ml volume of water flow.
• O/P INTERFACES WITH ANY DATA LOGGER

• LIGHTWEIGHT & DURABLE

• 2 YEAR WARRANTY ON RAIN GAUGE
• 1 YEAR WARRANTY ON ELECTRONICS

• LIFETIME CALIBRATION                                   • NO MOVING PARTS
•WILL NOT CORRODE 

OUR #1 PRIORITY IS THE END USER

 

SPECIFICATIONS

Flow rate: 0 – 500 mm/hr
0 – 19.68 inches/hour
Capacity: Unlimited
Accuracy:  (Rain) RATE: 0 - 200 mm/hr ; +/- 2%
RATE: 200 - 300 mm/hr; +/- 5%
RATE: 300 – 500 mm/hr; -10%
Accuracy: (Water Flow)

RATE: 0 – 2.0 liters/hr ; +/- 2%
RATE: 2.0 – 3.0 l/hr; - 5%
RATE: 3.0 – 5.0 l/hr; -10% 
 

 RATE: 0 – 2.0 liters/hr ; +/- 2%

Power Supply: 9 to 18 volts, UNREGULATED
350 to 1,200 micro amps
Output:

1 momentary switch closure
per 0.2mm of rain ( 2.0 ml of
water flow).
        OR  

1 momentary switch closure
per 0.01" of rain. As per client request

Operating Temperature:

0 to 50 degrees Celsius,  

 0 to 125 degrees F

Storage Temperature:

-40 to 50 degrees C,   

-40 to 125 degrees F

 

Physical Dimensions

Weight: 2 kg (5 lbs)
Funnel Diameter: 112 mm (4.425 in)
Diameter: 120 mm (4.75 in.)
Length: 420 mm (16.5 in.)
Construction: High density plastics
Mounting: Aluminum & stainless steel universal joint bracket
Screen: Keeps debris out
Level: Used to level the RGS - 100
 
Options
Heater: 12 Vdc
Output Connector: Customers choice to fit their Data Loggers

THEORY OF OPERATION:
The RGS – 100HL has no moving parts, so it NEVER needs routine calibration. Its revolutionary design enables it to make accurate measurements from 0 mm to 500 mm (0 " to 19.7") of rainfall or 0 to 5.0 liters of water flow per hour.

The principle is simple. Water, collected by the funnel, is routed to the measuring chamber. A solid-state level sensor, connected to an electronic circuit, outputs a contact closure for every 0.2 mm (2.0 ml volume of water flow). When 1.2 mm (12 ml) of water is collected, it is siphoned out on to the ground. The process repeats indefinitely. Because the siphoning action takes approximately 1 second, and the electronics filters out false readings, the gauge is very precise. The RGS – 100HL can be connected to the contact closure input of any weather recorder.

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