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Characteristics
Nominal bore diameter, DN, mm
15
20
Metrological class per GOST 50193.1-92
B
C
B
C
Water flow rate, m³/h
minimum (q
min
)
0.03
0.015
0.05
0.025
transitional (q
t
)
0.12
0.0225
0.2
0.0375
nominal (q
n
)
1.5
1.5
2.5
2.5
maximum (q
max
)
3
3
5
5
Maximum water volume
37.5 m³ (day)
62.5 m³ (day)
1125 m³ (month)
1875 m³ (month)
Permissible relative error limits for volume measurement within the flow-rate range
from q
min
(inclusive) to q
±5%
from q
t
(inclusive) to q
max
(inclusive)
±2%
Temperature of the measured medium
from +5 to +90 ºC
Maximum operating gauge water pressure
1 MPa
Pressure loss
0.1 MPa
Sensitivity threshold
0.5×qmin m³/h
Meter register capacity
99999.9999 m³
Meter pulse facto
1×10⁻⁵ m³/pulse
DC battery voltage
3 V
Battery service life
8 years
Operating conditions:
ambient temperature range
from +5 to +50 ºC
relative humidity
80 %
Nominal threaded connection size
G¾ B
G1 B
Overall dimensions (L×W×H)
110×69.5×61.5 mm
Weight
0.75 kg
1.5 kg
Mean time between failures
110,000 h
Verification interval
6 years
WAVIoT Home app support
Yes
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