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Sensors for environmental monitoring gas concentration

Systems for environmental monitoring and remote control

SENSORS > GAS CONCENTRATION
Gas concentration transmitters for indoor and outdoor

DESCRIPTION

Euro-Gas Sensors for the measuring of concentration for specific gases, for a wide range of applications, both industrial and environmental. They are not gas analyzers, they use an electrochemical measuring principle or infrared (depending on the gas) , with which it is possible to convert the measurement of gas's concentration in measurable electrical signal (4÷20mA). Specifically designed for outdoor applications with IP54 enclosure. The measurable gases: NH3 (Ammonia), CO2 (carbon dioxide), CO (Carbon Monoxide), H2S (Hydrogen Sulfide), CH4 (methane), NO2 (Nitrogen Dioxide), O2 (Oxygen), SO2 (sulfur Dioxide ). For available ranges, see the reference table.

FEATURES

  • Gas concentration transmitters
  • Compact size and weight in container IP54 (IP65 for CO2 sensor)
  • Measurement with electrochemical method
  • Standard ranges and custom on request
  • Low consumption: <2W
  • Output signal: 4 ÷ 20mA (0÷ 2Vdc or RS485/Modbus on request with MCS module)
  • Power supply: 14 ÷ 24Vdc

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