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Itron Quantometer Delta QD

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Itron Quantometer Delta QD Gas Meter
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Delta QD meters are volumetric meters. The flow of gas moves the pistons and each rotation traps and transfers a specific vlume of gas.
The movement is mechaically transmitted to the totaliser.


Key Benefits

  • High accuracy and rangeability budget meter
  • Very low pressure loss
  • No infl uence of installation conditions nor stop-and-go fl ow rate on the accuracy
  • Protection class IP67 9-digit mechanical totaliser
  • Various options available: Cyble Sensor, high frequency transmitter, thermowell, etc


Applications

Delta QD are designed to measure natural gas various filtered and non-corrosive gases as well as compressed air.

Due to the volumetric principle of the Delta QD, its metrology is not influenced by installation conditions.

Consequently, it can be used to build very campact stations without installing a straight pipe inlet before the meter.

They have been especially designed for industrial use and for secondary measurement and are particularly adapted when the flow can be low or irregular.


Specification


Flow Range QD25 0.8 to 25 m3/h
QD60 2 to 60 m3 /h
Accuracy < +/-1,5% on the complete fl ow range
Starting Flow QD25 < 0.035 m3/h
QD60 < 0.035 m3/h
Maximum Operating Pressure 16 bar
Temperature Range Gas and ambient temperature: -30°C to +60°C
Storing Temperature -40°C to +70°C
Pressure Loss at Maximum Flow
(with gas: = 0.83Kg/m3)
QD25 0.8 mbar
QD60 4.1 mbar
Connections Internal thread DN40 1”½ ISO 228
Pressure Tappings 4 tappings ¼ ” NPT at the inlet and outlet of the meter
Low Frequency Transmitter Double low frequency transmitter type reed switch connected to a socket 6 pins following DIN45322.
Pulse Value 0.01 m3/pulse.

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