Data Sheet for Product

26
Building Technologies
CE2N5323_en--_b
2018-01-23
Flow measuring section Screw type meter
Pressure loss at q
p
● Mounting length 80 mm Δp
● Mounting length 110 mm Δp
● Mounting length 130 mm Δp
mbar
mbar
mbar
200
200
200
180
Flow rate at Δp = 1 bar, k
v
m
3
/h 1,5 3,2 3,2 5,3
Mounting orientation Horizontal/vertical
Communication
M-bus module WFZ51
M-bus slave interface
● Battery type
● Battery power
● Standby current
● Standard load
● Address
● Baud rate
● Polarity
● Galvanic isolation
● Cable length
● IP class
● Protection class
As per EN 1434-3 and EN 13757-2/3
Lithium battery CR 2/3 AA
DC 3.0 V
≤1.5 mA
1.5 mA
Primary and secondary
300 or 2,400 baud
Optional
Per module interface
2.95 m
IP65
III
RF add-on module WFZ662
● Battery type
● Battery power
● Battery life
● Frequency
● Standards
● Transmission power, typical
● IP class
● Protection class
Lithium battery CR 2/3 AA
DC 3.0 V
>11 years
S-mode: 868.3 ±0.3 MHz; C-mode: 868.95 ±0.25 MHz
Data transmission per EN 13757-4
Max. 10 dBm
IP65
III
Housing type
Protection class
IP class
● Processor
● Flow measuring section
III
IP65
IP65
Environmental conditions
Operation
EN 60721-3-3
Transportation
EN 60721-3-2
Storage
EN 60721-3-1
Climatic conditions 3K5 2K3 1K3
Temperature 5...55 °C -25...70 °C -5...45 °C
Humidity
<93% r.h. at 25 °C (non-
condensing)
<93% r.h. at 25 °C (non-
condensing)
<93% r.h. at 25 °C (non-
condensing)
Mechanical conditions 3M2 2M2 1M2
Max. altitude Min. 700 hPa, corresponding to max. 2000 m above sea level