ELF 2 Apator
Compact heat meter

ELF 2 Apator Compact heat meter
calculation and selection
99 % - model rating
Drawing ELF 2 Apator Compact heat meter Design ELF 2 Apator Compact heat meter Scheme ELF 2 Apator Compact heat meter
Catalogue
Certificate EU
Certificate PL
Installation instructions
Manual

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Model
ELF 2
Manufacturer
Country
Poland
Сalculator
ELF 2
Accuracy class according to EN 1434-1
2
Construction
single-piece construction
Power supply
from power element (battery)
Yearly archive
20 years
Monthly archive
241 months
Daily archive
366 days
Archive by hours
744 hours
Downtime
registers
Error registration
registers
Data retrieval
M-Bus
Temperature difference Max
104 °C
Temperature difference Min
3.0 °C
Temperature sensor
Pt500
Length of the sensor
28 mm
Tmax
105 °C
Tmin
1.0 °C
Standard cable length
1.5 m
Maximum cable length
1.5 m
Flow sensor
ELF 2
Type
mechanical
Dynamic range
1:50
Standard cable length
0 m
Maximum cable length
0 m
PN
16
Tmax
90 °C
Tmin
0.10 °C

technical
specifications
price

DN
mm 		Qn
m³/h 		Qt
m³/h 		Qmin
m³/h 		Qmax
m³/h 		dP
kPa 		L
mm 		DN 'Up'
DN 'Down' 		price
15 0.60
1.0
1.5
 -

-

-

 0.012

0.020

0.030

 1.2

2.0

3.0

 25

25

25

 110

110

110

 not required
not required		 add your price
20 1.5
2.5
 -

-

 0.030

0.050

 3.0

5.0

 25

25

 130

130

 not required
not required		 add your price

DN - nominal diameter (FL, G - flanged and threaded execution), mm.

Qn - nominal flow rate, m³/h.

Qt - transitional flow rate, m³/h.

Qmin - minimum flow rate, m³/h.

Qmax - maximum flow rate, m³/h.

dP - pressure loss across the flow meter at nominal flow rate, kPa.

L - length along the pipeline axis, mm.

DN 'Up' - the minimum required length of straight pipe upstream of the flowmeter necessary to ensure measurement accuracy, in nominal diameters, mm.

DN 'Down' - also downstream of the flow meter, mm.

question : comment : feedback

where to notify about the reply. not published anywhere
water flow rate
through the heat meter
m³/h

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