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International Tel: +44 1732 861225 

Ultrasonic Flow Sensors & Integrator 

Page 1 of 8 

MW-U 

Issue: 5.0 

Date Of Issue: 17/11/2010 

© 2010 Sontay Limited. All rights reserved. 

Features 

Specification Product 

Codes 



Simply operation 



Long life ultrasonic flow meter 



Integral wall and DIN-rail mounting bracket 



Pulsed or M-Bus output options 

 

Meter: 
Nominal flow rate 

qp 0.6 to qp 60m³/h 

Max. static pressure:   
 Screwed 16bar 
 Flanged 

 25bar 

Body materials   

Brass 

Cable length 

 

1.5m (meter to electronics) 

Temperature range: 

1 to 130°C 

Temperature diff: 

3 to 120K 

 
Calculator:  
Supply   

 

3.6V Lithium battery  

Battery life 

 

6 years  

Display  

 

Multifunction 8-digit + characters 

 

 

 

LCD 

Cable length 

 

2m (electronics to calculator) 

 
Sensors: & pockets 
Sensor length:   
 

Meter size 15-32mm 

1.5 meters 

 

Meter size 40-100mm  3 meters 

Sensor pockets:  
 

Meter size 15-32mm 

45mm 

 

Meter size 40-100mm105mm 

Sensor type 

 

PT500 Matched pair  

Pocket thread   

½” BSP 

 
Output: 
Output pulse   

30Vdc max. @ 20mA 

Pulse duration   

400m/s <T

P

 <600m/s 

M-Bus Baud rate 

2400 

 
General: 
Ambient range:  
 

Temperature  5 to 55°C 

 RH 

 95% 

non-condensing 

Conformity  

EN1434, 

MID 

 

Protection   IP54 

 

MW-U 
 

Heat Meter Integrator 

 

(build unit with following options) 

 

 

Output type (add to above code) 

 -P 
 Pulsed 

output 

 -M   
 M-Bus 

output 

 

 

 Flow Sensor (add to above code) 

  

-4 

 

 Qp 0.6m³/h, G¾” (R½”) screwed 

  

-5 

 

 Qp 1.5m³/h, G¾” (R½”) screwed 

  

-6 

 

 Qp 2.5m³/h, G1” (R¾”) screwed 

  

-7 

 

  

Qp 3.5m³/h, G1 ¼” (R1”) screwed 

  

-8 

 

 Qp 6m³/h, G1 ¼” (R1”) screwed 

  

-9 

 

 Qp 10m³/h, G2” (R1 ½”) screwed 

  

-E 

 

 Qp 10m³/h, DN40 flanged 

  

-F 

 

 Qp 15m³/h, DN50 flanged 

  

-G 

 

 Qp 25m³/h, DN65 flanged 

  

-H 

 

 Qp 40m³/h, DN80 flanged 

  

-J 

 

 Qp 60m³/h, DN100 flanged 

 

 

Содержание MW-U Series

Страница 1: ...D Cable length 2m electronics to calculator Sensors pockets Sensor length Meter size 15 32mm 1 5 meters Meter size 40 100mm 3 meters Sensor pockets Meter size 15 32mm 45mm Meter size 40 100mm105mm Sen...

Страница 2: ...cognizable on the front of the device for example M09 The MID controls the use of heat meters up to the moment they are placed on the market resp their first putting into use After this the national r...

Страница 3: ...DN mm 15 15 15 20 25 25 40 50 65 80 100 lnch 1 1 1 Inst Length without conn L mm 110 110 110 130 260 260 300 270 300 300 360 Thread meter G x B D1 lnch 1 1 1 2 Flange Flange Flange Flange Maximum Flo...

Страница 4: ...al verification expired 8000Internal hardware error Safety instructions The installation has to be done by qualified personnel Read the instructions carefully right up to the end before starting to mo...

Страница 5: ...er Installation heat calculator Sontay recommends to mount the calculator on the wall Do not mount the device at the pipe or attach it directly on the flow sensor The mounting adapter at the backside...

Страница 6: ...st pipe 3 4 Flow sensor pulse 10 GND 11 If water meters with a potential free reed contact are con nected to the inputs the connection can be made in any direction Energy output pulse 52 GND 53 Volume...

Страница 7: ...re difference Flow Maximum flow Instantaneous power Pulse value counter 1 Pulse value counter 2 Energy at SRD Date SRD SRD value external counter 1 SRD value external counter 2 Monthly values input 1...

Страница 8: ...monthly value heat energy 1st monthly value input 1 1st monthly value input 2 Sensor type installation point Pulse value Basic configuration Model number Date battery end Time Datum M Bus address Bau...

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