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Engelmann Sensor GmbH,  Rudolf-Diesel-Straße 24-28 , 69168 Wiesloch-Baiertal, Germany
Phone.: +49 (0)6222-9800-217 , Fax: +49 (0)6222-9800-50, E-Mail: [email protected],  www.engelmann.de

Article-No.  1080700010 - 2011-04-01

Engelmann

T h e   h e a t   m e t e r   s p e c i a l i s t s

®

Page 2

Straight pipe section

none required

Accuracy class

1:100 or 1:50

Temperature range
• 

recommended for heat

• 

recommended for cooling

  5 

0

C to 130 

0

C *)

10 

0

C to 130 

0

C **)

  5 

0

C to 50 

0

*) national approvals may vary
**) Short model 150 mm only from 20 

0

C to 130 

0

C

Max. medium temperature

150 

0

C  for 2000 h

Protection rating 

fl

 ow sensor

IP 54 for heat or
IP 65 for cooling (optional for 
heat meter)

Maximum overload

2.8 x q

p

Nominal pressure

PN 16, PN 25

Electronics:

Storage temperature

-20 

0

C to 60 

0

C

Ambient temperature

   5 

0

C to 55 

0

C

Ambient humidity

< 93 % rel. humidity

Flow sensors: 

(Please note the specifi cations on the sensor itself!)

Flow sensor

Pulse output type

electromechanical switch (reed contact) 
class OA as per EN1434-2:2007 

passive electronic current sink (open 
collector) class OC as per EN1434-2:2007

Installation point

standard

in return 

fl

 ow

optional

in forward 

fl

 ow 

(only for heat 

meter),

 calculator must be set in 

factory

Mounting position
Heat meter

any

Mounting position 
Cooling meter

see section 6: Installation for Cooling Applica-
tions

4.4   Small fl ow sensors

Nominal flow

 

 q

p

Installation length

Connection

Max. flow

 q

s

Min. flow

 

q

i

Activation limit

(v

ariable)

Pressure drop

at

 q

s

Kv-

D

u

rch

fl

u

ss 

bei 

q

 1 bar

Kv-

F

low

 at

 

 

q

 100 m

bar

Weight

m

3

/h

mm

G / DN m

3

/h l/h

l/h

mbar

m

3

/h

m

3

/h

kg

110

G ³/

4

1

G 1

1,5

DN 20

125

1,7

3

110

G ³/

4

150

3,9

1

DN 20

3

130

DN 20

195

5,7

3

G 1 

1

/

3

DN 25

5

G 1 

1

/

3

DN 25

5

6

150 G 1  1/4  12

60

24

240

12

4,5

3

200

100

32

10

4

DN 40

165

25

7,8

7

200

115

44

14

5

270

100

47

15

8

25

300

DN 65

50 250

100

105

77

24,4

11

40

300

DN 80

80 400

160

160

100

31,6

13

60

360

DN 100 120 600

240

115

177

56

22

60

2,6

300

G 2

8,8

40

130

28

15

DN 50

30 150

190

10

20 100

14

60

14

4,5

3,5

260

7

35

25

10

1,5

1,2

160

3,8

1,5

24

180

14

2,5

G 1

6

260

12

60

5

4,5

200

5,6

1,8

1,5

3

15

6

130

190

G 1

0,6

190

1,2

6

2,4

150

1,5

0,5

Summary of Contents for SensoStar 2C Ultrasonic

Page 1: ...to qp and approx 3 bar at overload qs specifications for approx 80 C The flow sensor left the factory in conformance with all ap plicable safety regulations Calibration maintenance repairs and the exchange of parts may only be carried out by qualified technical personnel who are familiar with the dangers involved Further technical support can be provided by the manufacturer upon request Verificati...

Page 2: ...d contact class OA as per EN1434 2 2007 passive electronic current sink open collector class OC as per EN1434 2 2007 Installation point standard in return flow optional in forward flow only for heat meter calculator must be set in factory Mounting position Heat meter any Mounting position Cooling meter see section 6 Installation for Cooling Applica tions 4 4 Small flow sensors Nominal flow q p Ins...

Page 3: ...50 22 G 1 1 4 B 10 16 200 48 G 2 B 10 16 300 48 G 2 B For the short models with length 150 mm the temperature range for the medium lies between 20 0 C and 130 0 C 4 7 Premium Flow Sensors Please note that the normal flow sensors may not be used with salt water Upon request we can provide salt water resistant versions of the flow sensors qp m h PN bar DN a b Øc Ød Øe No of holes f g 3 5 25 25 260 5...

Page 4: ...o C 10 DN Black housing of transducers 5 Integration in the Heating System Please inspect and check all dimensions to be sure that there is sufficient space in the intended location for installation of the flow sensor No minimum straight pipe sections are required upstream or downstream for the flow sensor If the flow sensor is being installed in the common return flow of two heat systems e g heat...

Page 5: ...ification must always be installed in the return flow The temperature sensors are not to be installed within the influence of other sources of heat Do not kink lengthen or shorten the cables Cables that are too long should not be rolled up tightly into an air core coil The cables should either be laid out unordered or rolled up loosely into a wide coil which can be turned and tied into an 8 Mounti...

Page 6: ...for connection to an additional system For connection of meters with open collectors atten tion must be paid to the polarity Polarity is not important for these connections so the wires can be clamped arbitrarily When the M bus network is in operation a triangle will appear in the lower right corner of the display Power supply from the M bus network is functioning Connection of M bus Connection of...

Page 7: ... 9 Selectable customer set calculator no secondary address factory setting is the serial no 10 Tariff register1 Values alternating with tariff register and criteria 2 3 11 Tariff register 2 Values alternating with tariff register and criteria 2 3 12 Momentary reading of the pulse counter1 alternating with the pulse value 2 3 13 Momentary reading of the pulse counter 2 alternating with the pulse va...

Page 8: ...pulse value is automatically determined by the second to last place of the volume display The pulse units are identical to the units of the volume display Example 1 Display 12345 678 m3 pulse value for volume pulse output 0 01 m3 pulse Example 2 Display 12345678 l pulse value for volume pulse output 10 l pulse Display examples Description of example in tariff register 1 either the energy or the ti...

Page 9: ...he optical interface using the Engelmann Monitor software They can also be set using the display The primary address is the M bus address displayed in the 2nd level technician s loop in menu item 6 M bus address primary address The secondary address is the customer identification no and can be selected under menu item 9 Selectable customer set calculator no in the first level the main loop If a cu...

Page 10: ...se inputs Data storage E2 PROM daily Maximal value storage 3 each for flow and power Billing dates annual billing date selectable from dd mm to dd mm Monthly values 24 monthly values readable Protection class housing IP65 EMC class E1 Mechanical environment class M1 Pulse input device microcontroller CMOS input class IB as per EN1434 2 2007 Dimensions length x width x height 198 mm x 123 7 mm x 45...

Page 11: ...rement is carried out every 30 seconds for standard instruments Example sensors switched Error Error code Binary display LCD Check sum fault E2PROM fault Reset Reference sensor fault Return fl ow senso fault Sensors switched Forward fl ow sen fault Error display hexadeci mal LCD When an error occurs with the exception of the reset and sensors switched error the instrument must be exchanged and sen...

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