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Sensors for environmental monitoring

Systems for environmental monitoring and remote control

SENSORS > WATER AND SNOW LEVEL
LPT20
Piezometric level sensor with temperature

DESCRIPTION

The sensor for the measurement of water level (piezometer) and water temperature of the LPT series consists of a piezometric capsule housed inside a cylinder of stainless steel AISI 316. Thanks to the small diameter can be easily used in small spaces. The transducer used provides extremely precise measurements with excellent repeatability, low hysteresis and stable temperature behavior that allow you to use the sensor as a hydrometer in water partially clean.

FEATURES

  • Level sensor with high precision piezoresistive capsule
  • Automatic compensation of atmospheric pressure
  • Measurement of high precision temperature
  • Compact design with cap in stainless steel AISI-316
  • Ideal for level measurement in pure water
  • Measuring range: 0÷20 bar, -5 ÷ +80°C
  • Sensitivity: 0.001 bars, 0.01°C
  • Accuracy: <0.5% f.s. or better, ± 0.5°C
  • Power consumption: <300mW
  • Output signal: 4÷20mA (or 0÷2Vdc RS485/Modbus command line module with MCS on request)
  • Operating conditions: -25 ÷ +70°C
  • Power supply: 10 ÷ 25Vdc

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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HIDROMETRIC ROD

Hydrometric rod made of anodized aluminum with anti-corrosion treatment to resist even in environments with contaminants and abrasions. The colouring with high iridescent effect for an excellent visibility of scale from far, and in any application (cement, bricks, soil, etc.). The choice of colours is the result of careful consideration and numerous tests carried out in the field and on the applications already developed, where is essential to ensure to the observer the best possible visibility even in unfavourable conditions during flood events . The hydrometric rod is made in modules of 1 meter with indication of measurement every ten centimeters and reference notches every centimeter, for the indication meter by meter, the rod may be furnished by a plate showing the desired value in meters.

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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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SS-P1 HINGED ARM

Arm support for radar and ultrasonic sensor for bridges or walls, length 1500mm (square tube 40x40mm 3mm) completely folding at 90° to facilitate maintenance of the sensor. 630x130x8mm base plate with 6 holes for dowels. Is possible to lock the hinge with padlock. Screws in stainless steel.

SENSORS SENSORS lpt20 detail

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