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Sensors for environmental monitoring road condition

Systems for environmental monitoring and remote control

SENSORS > ROAD CONDITION MONITORING
DIS
Type of precipitation sensor (Disdrometer)

DESCRIPTION

Electronic sensor-based on professional doppler radar technology to 24Ghz, capable of determining the precipitation (rain, snow, ice), distinguishing by type, intensity and quantity. The intensity of the rain/snow/hail and the relative amounts, are determined from the falling speed and from the size of the drops. The type of precipitation is instead determined by the different speed of the fall. The sensor has an electrical output in digital RS485 protocol with UMB.

FEATURES

  • Sensor for measuring the precipitation's type with doppler effect
  • Ideal for use on roads and airports
  • Body in plastic and resin for extended temperature range
  • Precipitation Range: 0÷200 mm/h
  • Rain drops 0.3 ÷ 5.0 mm
  • Hailstones 5.1 ÷ 30mm
  • Resolution: 0.01, 0.1, 1mm/m2
  • Output signal: Digital RS485
  • Operating conditions: -40°C to +60°C, 0 to 100% RH
  • Power supply: 22 ÷ 30Vdc (typ. <30W)

ACCESSORIES

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Bracket / Arm Support

Fixing system for Nesa's sensors, composed by an arm of different lengths (50cm, 90cm, 150cm) and thermoplastic resin clam for external, able to withstand to extreme temperature and to solar radiation.
Two stainless steel screws for the tightening of the clamp on the sensor complete the equipment.

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MCS Signal Conditioning Module

Single channel module for conditioning digital and analog electrical signals. Fully programmable for binding input/output with the USB interface available as an option. The full data sheet is available at this address. main features:

  • Programmable input signals: Pt100, thermopiles, Voltages up to 2Vdc, Current 0÷20mA or 4÷20mA, frequency up to 1000Hz, Counter for pulses (1ms min)
  • • Programmable Output signals: voltage 0÷2Vdc; Current 0÷20mA or 4÷20mA Serial RS485 (command line); Modbus RS485
  • • Resolution: 18 bits with over 262,000 points
  • • Operating conditions: -40 ÷ +80°C
  • • DIN rail mounting
  • • Power supply: 10÷30Vdc (typ. 4mA@12 Vdc)

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SPECIAL CABLE

NPI shielded cable. With IP68 waterproof connector for connecting to the sensor, and terminal sleeves for insertion into the terminal blocks. Available in any length.

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Standard cable

Shielded multi-core cable for indoor/outdoor use, suitable for hot and cold climates.
With IP68 waterproof connector for connecting the sensor, and PS2 plug connector for direct connection to the data logger or with terminal sleeves for insertion into the terminal blocks. Our cables are standard for most our sensors.
Available in different lengths starting from 1m.

CONTACT US
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Otherwise call us at +39 0423.985209

NESA Srl - Via Crociera, 11 - 31020 - Vidor (TV) - Italy
Tel+39.0423.985209 - Fax+39.0423.985305
e-mail: info@nesasrl.it
C.F. e P.IVA. 01422830990