Mass-thermal flowmeter for gases KET - Kobold

The newly developed KET combines modern digital interfaces to connect energy monitoring systems with a small, compact design. The KET is always used when many machines (compressed air consumers) are to be integrated into an energy monitoring network. Readout values in the display can be rotated by 180°, for example, for overhead installation. Display shows 2 values simultaneously: present flow in m³/h, l/min, etc.; total consumption (counter reading) in m³, l, kg; and temperature measurement.

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Features

Parameters: m³/h, l/min (1000 mbar, 20°C) in case of compressed air or Nm³/h, NL/min (1013 mbar, 0 °C) in case of gases;
Sensor: Thermal mass flow sensor;
Measured medium: Air, gases;
Gas types: Air, nitrogen, argon, CO₂, oxygen (adjustable over KEC service software);
Accuracy: ±1.5 % of reading, ±0.3 % of full scale (±1 % of reading, ±0.3 % of full scale on request);
Operating temperature: -30 to 80°C;
Operating pressure: Up to 16 bar, optionally 40 bar;
Output: Digital output RS 485 interface (Modbus-RTU), analogue output 4 to 20 mA for m³/h or l/min, and pulse output at 1 pulse per m³ or per liter (electrically isolated);
IP65 housing;
Connection thread of measuring sections: G ½ to G2 (BSP British Standard Piping) or ½" to 2" NPT-thread;
Any mounting position.

Advantages

Compact, small design - for use in machines, behind the maintenance unit for the end user;
All interfaces are freely programmable via the display;
Different outputs like Modbus-RTU, analogue, alarm contact, and impulse output;
Pulse output total flow (counter reading), electrically isolated (optional: M-Bus, Ethernet interface or PoE);
Easy installation into the existing pipe due to the integrated measuring section;
Integrated flow straightener with no inlet section necessary;
With a keystroke, you can reset counter reading, select units, parameterize interfaces;
The sensor can be removed from the measuring section and cleaned.

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