Characteristic name

Characteristic value

Working pressure, MPa, not more than

1.6

Maximum pressure loss at constant flow, MPa, not more than

0.01

Limits of permissible relative error when measuring the average volumetric flow rate and volume,

as well as when converting the measured volume value into a pulse output signal, %, within the flow ranges:

– Qₛ ≤ Q < Q₂

±5.0

– Q₂ ≤ Q < Q₄ at t ≤ 30°C

±2.0

– at t > 30°C

±3.0

Limits of permissible relative error when measuring time intervals, %

±0.01

Operating conditions:

- ambient temperature, °C

from 5 to 55

- relative air humidity at temperatures up to 40°C, %

Up to 95

- atmospheric pressure, kPa

from 84 to 106.7

Nominal battery voltage, V

3.6

Flow disturbance sensitivity class according to ST RK STB ISO 4064-1 (depending on nominal diameter):

- for DN from 15 mm to 40 mm

U0/D0

- for DN from 50 mm to 80 mm

U3/D3

Temperature class according to ST RK STB ISO 4064-1

T130

Degree of protection provided by the enclosure according to GOST 14254-2015

IP54, IP68 (optional)

Mean time between failures, hours, not less than

80,000

Average service life, years, not less than

15

Flow meter weight, kg, not more than

from 2.2 to 12.0

Overall dimensions, (LxHxW) mm

DN 15; DN 20

110x92x87; 130x102x87

DN 25; DN 32

160x105x87; 180x113x87

DN 40; DN 50

200x120x87; 200x205x87;

DN 80

225x234x87