Heat Meter

SJMD-15~20

The mechanical heat meter use advanced nonmagnetic technology, measures the flow volume and display the heat energy released or absorbed by water flow when passing though the heat exchange system.

The temperature range is 4~95℃.

Measurement unit: Kwh, Gcal, GJ

Communication interface choice: M-BUS, RS-485, Pulse output

Lithium battery life span: 10 years

Models and Specifications


ModelQn(m3/h)Length(mm)DN(mm)Sensor lengthDisplayRomoteClass
SJMD-15-0.60.6110151.5mKw/h, GcalM-BUS, RS-485, Pulse output2
SJMD-15-1.51.5110151.5mKw/h, GcalM-BUS, RS-485, Pulse output2
SJMD-20-2.52.5130201.5mKw/h, GcalM-BUS, RS-485, Pulse output2


Features:


1. Interface: RS-485, M-BUS, Pulse output

2. Lithium battery life: 10 years

3. Archive: 38 Month data historical

4. Installation choice: Water supply pipeline or Water return pipeline
5. Horizontal installation
6. Accuracy: Class 2, meets EN1434 and CJ128 standards
7. Top counter: 360 degree
8. Measuring range (q s/q i =100:1)
9. Temperature sensor: PT 1000
10. Environment standard Class: A
11. Min. temperature difference: 3℃

12. Water pressure: ≤1.6Mpa


Main Technical Parameters:


Normal DNmm151520
Qnm3/h0.61.52.5
Qmaxm3/h1.235
Qminm3/h0.0120.030.05
Body thread----G3/4”BG3/4”BG1”B
Connection thread----1/2”1/2”3/4”
Heightmm110110110
Lengthmm110110130
Pressure loss(KPa/Qp)822

24


INSTALLATION:






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