Technical parameter

Ambient temperature-20℃-50℃

Ambient humidity≦95%

Level of protection for case: IP65

Measuring range of flow rate:0-15m/s

Medium conductivity: clean water >20 μs/cm

Range of nominal diameters measurableDN3—DN800

Accuracy grade of sensors: Grade 0.5, grade 0.2

Measurable parameters: instantaneous flow rate, instantaneous flow velocity

Recordable parameters: accumulative total of flow, record of 32 events

Test alarm parameters: Fluid empty-tube test alarm   Exciting current test alarm             Battery capacity test alarm

Calibrated output signal: Flow and impulse per unit volume

Radio communication mode: SRD/GPRS/CDMA

Working hours of battery

Battery life corresponding measurement cycle time (type 1) 

measurement cycle time 50mA excitation life 20mA excitation life

15s 50 months 70 months

14s     46 months 65 months

13s 43 months 60 months

12s 40 months 56 months

11s 36 months 51 months

10s 32 months 46 months

9s 29 months 42 months

8s 25 months 37 months

7s 21 months 32 months

6s 18 months 28 months

5s 14 months 23 months

4s 11 months 18 months

3s 10 months 14 months