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SJM20 Mechanical Heat Meters - Single Jet Heat Meter

SINGLE JET HEAT METER



Box Details

Standard
  • SJM20 heat meter, 1 Pcs
  • Klingerit gaskets, 2 Pcs
  • Sensor fitting and gasket Part, 1 Pcs
  • User Manual and Mounting Directions
Optional
  • Ball sensor valve
  • Dirt Filter
  • Coupling Sleeve of Sensor
  • Meter fitting

PRODUCT FEATURES

  • Measurement accuracy rate of SJM20 is over metrological scaling standards.
  • Produced according to the requirements of EN 1434 standards
  • Low energy usage provides long-term battery life up to 10 years
  • Measurement system of SJM20 is not affected in magnetic fields so that provides safe scaling results. Excellent accuracy and linear measurement with platinum sensors
  • SJM20 has M-BUS communication protocol.
  • 350º rotatable screen makes SJM20 easy to read.

PRODUCT FEATURES

Single Jet Flowmeter:

The product can scale at low flow status:

Flowmeter rates:

  • Minimum Flow(qi) : 0,05 m3/h
  • Nominal Flow(qp) : 2,5 m3/h
  • Maximum Flow(qs) : 5 m3/h

Heat Sensor Pair for Linear Measurement

• Minimum measurement ∆t starts 0,1 ºC
• High speed platinum sensor pair is used
• Temperature measurement between 5 ºC and 90 ºC

Metrological Features
  • Suitable for TS EN 1434 Standards requirements
  • Produced according to 2004/22/EC+2009/137/EC MID
  • Accuracy class is 2
  • Security class is IP54
  • Maximum applicable pressure (MAP) is 16bar
Communication and Interfaces
• Cabled connection has standard M-Bus interface
• RF communication uses wireless M-Bus interface
• Low energy usage provides long-term battery life up to 10 years
• The last 12 months consumption indexes can be displayed.

DIMENSIONS

Length(L) 130 mm
Height  (H) 81 mm
Width (W) 70 mm
Connection(D) 1" External Gear
DN 20
Lenght of Sensor Cable 1,5 m
Lenght of M-BusCable 1,5 m
Weight 650 gr

TECHNICAL DRAWING

PRESSURE LOSS CURVE

MAIN AND STATISTIC MENUS OF METER

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