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Ultrasonic heat meter(DN15-DN50)

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Description

Ultrasonic heat meter(DN15-DN50)

1)  Water will release heat if temperature decreases. Released heat is ratable with temperature difference and flowing volume through meter.

2) Flowing volume signal comes from flow sensor, temperature difference comes from temperature sensor pair,as result the calculator will calculate heat according to the flowing volume and temperature difference.

3) Measurement unit: Kwh, Gcal for option

4) For Ultrasonic heat meter, communication via M-BUS, RS-485 for option.

 

Models and Specifications

ModelQn(m3/h)Length(mm)DN(mm)Sensor lengthDisplayRomoteClass
RLM(C)-15-0.60.6110151.5mkw/hM-BUS2
RLM(C)-15-1.51.5110151.5mkw/hM-BUS2
RLM(C)-20-2.52.5130201.5mkw/hM-BUS2
RLM(C)-25-3.53.5160251.5mkw/hM-BUS2
RLM(C)-32-6.06180321.5mkw/hM-BUS2
RLM(C)-40-1010200401.5mkw/hM-BUS2

 

Features:

1.Flow range:0.03~20m3/h
2.Minimum temperature difference is 3℃
3.Can be mounted in both horizontal and vertical running pipes
4.Intelligent design and can record energy and flowing volume.
5.Small size, Light weight and beautiful appearance.
6.Measuring device have no motion parts and no abrasion.It won’t be affected by working time.
7.High accuracy and meet EN 1434 metrological class B and CJ128 metrological class 2.
8.More than 10 year long-life battery
9.M-BUS, RS-485 remote system.
10.Not affected by external magnet field and steady 
11.function.Electronic parts can be took down from flow sensor and 
12.easy reading.
13.Total flow range(q s/q i =100:1)
14.Low start flow volume
15.Can calculate both heat and cold energy.Installation in the return flow line(optionally in 
16.forward flow line)
17.Temperature sensor pair Pt1000.
18. Environment temperature grade:A

Main Technical Parameters:

Normal Flow(Qn)0.6m3/h1.5m3/h2.5m3/h
Flow range(m3/h)0.012~1.20.03~30.05~5
Pressure loss(KPa/Qp)
Reference diagram I
242424
Max. Pressure(MPa)1.6
Temperature range(℃)4~95

 

Pressure Loss Diagram:

 

Measuring Features:

Water will release heat if temperature decreases. Released heat is ratable with temperature difference and flow volume through meter. Flow volume signal comes from flow sensor, temerature difference comes from temperature sensor pair, as result the calculator will calculate heat according to the flowing volume and temperature difference.

 

Water pressure: ≤1.6Mpa
Measuring accuracy: Class 2
The max tolerance is shown in the curve below:
E=±(3+4Δθmin/Δθ+0.02qp/q)% 
Therein,Δθmin means the minimum temperature difference, and Δθthe actual temperature difference.

 

Dimensional Parameters:

Normal flow(Qn)m3/h0.61.52.53.5
Normal DNmm15152025
Body thread—-G3/4”BG3/4”BG1”BG1 1/4”B
Connection thread—-1/2”1/2”3/4”1″
Heightmm115115105110
Lengthmm110110130160

 

Temperature sensor pair

Temperature sensor pair PT1000 meets Norm. DIN EN60751

Sensor is soldered on PCA. The length of sensor lead is 1.5m. (Optional 3m, 10m)

Diameter of sensor is diameter 5.0mm(optional diameter 5.2mm )

 

Mounting for heat meters:

Heat system pipeline

 

 

If you are interested in our water meter or have any questions, please feel free to contact us!

 

 

 

 

 

 

Additional information

Place of Origin:

China

Brand Name:

ZETON

Model Number:

RLM(C)-15

Display Type:

Digital Only

Phase:

none

Measuring Energy Range:

none

Accuracy Class:

Class 2

Output Voltage:

none

Operating Temperature:

0-95 degree

Dimensions:

DN15mm ,DN20mm,DN25mm

Material of body:

Brass

Label on head:

In English or Russia

Measure unit:

Kwh, Gcal for choice

Voltage for M-BUS:

3.6V

Voltage for RS-485:

15V to 24V for Russia

Remote communication:

M-BUS, RS-485, Infrared port

Inner box:

Yellow box, suits special design

Outer box:

Yellow box, suits special design

DN15mm Flow rate:

Qn = 0.6m3/h. Qmax= 1.2m3/h,Qmin= 0.012m3/h