6
Conformity
see EU Declaration of Conformity
Protection rating
IP protection rating
IP65 according to EN 60529
Heat meter
European Measuring Instruments Directive (MID)
EC-type examination certifi cate
2004/22/EC
DE-12-MI004-PTB009
Heat meter
CEN EN1434
Quality of heat medium
in accordance with VDI guideline 2035
in accordance with AGFW standard 510
Infl uencing quantities
Electromagnetic class
E1
Mechanical class
M1
Environment class
A
Precision class
3
Norms and standards
Technical data
Temperature range
Heat meter
Heat meter with optional cold range
10 ... 105 °C
5 ... 105 °C
Approved temperature difference
Switch-on value temperature
difference
3 - 70 K
Heat: 1.0 K / cold
(*)
: 0.2 K (can be selected using art.
no.)
Ambient temperature
5 ... 55 °C
Power supply
Lithium battery
Nominal voltage 3.0 V
Service life
> 6 (opt. 10) years + 6 months reserve
Display levels
Standard
min. 2, up to 10
(depending on the version and options included)
Display
8-digit LCD + pictograms
Energy display
kWh <--> MWh (optionally MJ <--> GJ)
Cable length
Calculator unit - fl ow sensor
approx. 40 cm
(*)
Outside the Measuring Instruments Directive
Calculator unit
Flow sensor screw-type meter
Connection sizes and dimensions
0.6 m³/h
1.5 m³/h
1.5 m³/h
2.5 m³/h
Length
110 mm
80 mm
110 mm
130 mm
Connection
G ¾ B
G ¾ B
G ¾ B
G 1 B
Weight compact
detachable
668 g
820 g
575 g
709 g
650 g
802 g
743 g
895 g
Installation position
horizontal/vertical
Nominal fl ow qp
0.6 m³/h
1.5 m³/h
2.5 m³/h
Minimum fl ow qi
horizontal
vertical
24 l/h
24 l/h
30 l/h
30 l/h
50 l/h
50 l/h
Ratio qp/qi
horizontal
25:1
(*)
50:1
50:1
(*)
50:1
(*)
vertical
25:1
50:1
50:1
Ratio qs/qp
2:1
Start-up
3-4 l/h
4-5 l/h
6-7 l/h
Max. permissible operating
pressure
Min. system pressure
to avoid cavitation
1.6 MPa (16 bar)
0.1 MPa (1bar)
Temperature range
10 ... 90 °C
(*)
Versions with a higher dynamic range are also available as options
Temperature sensor
Measuring element
Pt 1000 according to EN 60751
Execution
Type DS
Diameter
5.0 mm - 5.2 mm - 6.0 mm - AGFW
Type of installation
5.0 mm - direct (ball valve) / indirect (immersion sleeve)
5.2 mm - direct (ball valve) / indirect (immersion sleeve)
6.0 mm - indirect (immersion sleeve)
AGFW - direct (ball valve)
Cable length
Standard
Optional
1.5 m
3.0 m
Measuring element
Pt 1000 according to EN 60751
Execution
Type DS
Diameter
5.0 mm - 5.2 mm
Type of installation
5.0 mm - direct (ball valve) / indirect (immersion sleeve)
5.2 mm - direct (ball valve) / indirect (immersion sleeve)
Cable length
Standard
Optional
1.5 m
3.0 m
Temperature sensor
Summary of Contents for Qheat5
Page 11: ...101 5 G 3 4 80 78 Ø 50 64 2 11 Dimensional drawings Design length 80 mm Dimensions in mm ...
Page 12: ...12 Dimensional drawings Design length 110 mm 101 5 G 3 4 110 78 Ø 50 66 1 Dimensions in mm ...
Page 13: ...101 5 G 1 130 78 68 5 13 Dimensional drawings Design length 130 mm Dimensions in mm ...
