Temperature probes
Flow probe length
Return probe length
Probe type
Working temperature range limits
Temperature difference limits
Measurement sensitivity
Flow meter
Dimensions/Connection
Body
Type of hydraulic connection
Nominal pressure
Max. temperature of the medium
Mounting
Pulse output
Permanent flow rate
Minimum flow rate
Maximum flow rate
Electric supply
Microprocessor calculator unit
Metrological specifications
Accuracy class
Centralised transmission
Ambient temperature range limits
Ambient classification
Energy unit of measurement
Electric supply
Protection class
Pulse inputs
Technical specifications
in compliance with EN 1434-1 - MID 2014/32/EU
class 2
according to M-Bus/ MODBUS RTU protocol on RS-485
5–45
MID 2014/32/EU E1-M1
8-digit display
24 V (+10 % / -5 %) (ac) - 1 W - 50 Hz
in accordance with DIN 40050: IP 54
class IB in accordance with EN 1434-2
1,9
1,9
NTC
10–90 (HEATING) - 2–25 (COOLING)
3–80 (HEATING) - 3–20 (COOLING)
≤
0,05
bar
°C
l/h
l/h
l/h
°C
kWh
PN
Q
p
Q
i
Q
s
m
m
°C
K
°C
90
preferably horizontal
class OA-OC in accordance with EN1434-2
see table 1 and 2
see table 1 and 2
see table 1 and 2
lithium battery, life 12 years
p
Code
The CONTECA
®
heat meter is supplied with accessories for installation, probes positioning and subsequent lead sealing.
Code
DN
G
F
E
C
A
B
D
DN
A
C
B
D
PN
PN
2 x Y-pockets
(the flow pocket is fitted with a strainer mesh)
TABLE 1 - Flow rate limit - Connections from 1/2” to 1 1/2”:
Code
Connections
Code
Connections
2 x 1/2” weld sleeves with brass pocket to 1 lead sealing kit
* vertical installation
* vertical installation
TABLE 2 - Flow rate limit - Connections from DN 50 to DN 200:
1000
100
DN 125
100
1500
150
DN 150
100
2500
250
100
150
250
DN 200
100
100
Q
s
Q
s
7507
04
7507
05
7507
06
7507
07
7507
08
7507
09
7507
10
7507
11
7507
12
7507
13
7507
14
7507
15
Q /
p
100*/250
100*/250
p
Q /
p
Dimensions
2
Flanged EN 1092-1
Male thread ISO 228
Brass
DN 125–DN 200
1/2”–1 1/2”
DN 50–DN 100
Steel P235GH
PN 16
PN 16
PN 25
N.B. The flow meter must be installed between two rectilinear sections, measuring 10 times the pipe diameter upstream and 3 times the pipe diameter downstream.
