Heat Meter Ultrasonic
Configuration Instructions
Safety information:
Do not pick up by the electronic unit
Be careful of sharp edges (thread, flange,
measuring tube)
Installation and removal must be performed
by qualified personnel only
Mounting and unmounting are only permitted
when the system is not under pressure
After installation, a tightness test must be
conducted with cold pressure
Only ever use under service conditions,
otherwise dangers can arise and the warranty
may be voided
Breaking the calibration seal voids the
warranty
The 110 V / 230 V versions must only be
connected by an electrician
The lithium batteries must be properly
returned
Lightning protection cannot be ensured; this
must be provided by the building wiring
Only one compartment for the power supply
must be equipped – do not remove the red
locking hatch
General information
The UH50 heat meter is used for heat consumption
metering in short and long-distance district heating
and in apartment buildings. It is suitable both for cold
metering (alone or in conjunction with metering
quantities of thermal energy) or for pure flowrate
metering in water systems.
Measuring accuracy
Environment class
Electronic unit
Storage temperature
Max. height
Ambient temperature
Ambient humidity
Housing degree of prot. IP 54 per EN 60529
Safety class
Line 110 / 230 V AC
Line 24 V ACDC
Response threshold f. ∆T 0.2 K
Temperat. difference ∆T 3 K to 120 K
Temperat. meas. range 2...180°C
Sensors
Type
Temperature range
UH50 Ultrasound Heat Meter
®
UH50
UH 106-101c
Class 2 or 3 (EN 1434)
A (EN 1434) for
indoor installation
- 20 to 60°C
2000 m above MSL
5 to 55°C
< 93 % rel.
II per EN 61558
III per EN 61558
Pt500 or Pt100
per EN 60751
0...150°C
(< 45 mm overall length)
0...180°C
(> 100 mm overall length)
Subject to change without prior notice
All volume measuring units
Mounting location
Mounting orientation
Settling section
Metrological class
Temperature range
Maximum temperature
Maximum overload
Nominal pressure
m³/h
mm
m³/h
l/h
0.6
110
1.2
6
0.6
190
1.2
6
0.6
DN20
1.2
6
1.5
110
3
15
1.5
130
3
15
1.5
190
3
15
1.5
DN20
3
15
2.5
130
5
25
2.5
190
5
25
2.5
DN20
5
25
3.5
260
7
35
6
260
12
60
10
300
20
100
10
DN40
20
100
15
270
30
150
25
300
50
250
40
300
80
400
60
360
120
600
Small heat meters
Overall length 110 mm
Overall length 130 mm
UH 106-101c
Version: June 2007
return of flow
any
none
1:100
10 to 130°C
150°C for 2000 h
2.8 x q
p
PN16, PN25
l/h
mbar
m³/h
m³/h
kg
2.4
150
1.5
0.5
1
2.4
150
1.5
0.5
1.5
2.4
125
1.7
0.5
6
150
3.9
1.2
1
6
160
3,8
1,2
1,5
6
160
3,8
1.2
1.5
6
160
3.8
1.2
10
200
5.6
1.8
1.5
10
200
5.6
1.8
1.5
10
195
5.7
1.8
14
65
13.7
4.3
3
24
150
15.5
4.9
3
40
100
31.6
10
4
40
165
24.6
7.8
60
100
47,4
15
100
105
77,2
24,4
160
160
100
31,6
240
115
176,9
56
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