NIK 7021

Ultrasonic water meter

  • No moving mechanical elements
  • Not sensitive to magnetic influences
  • The output data can be in Giga calories, kilowatts per hour, or in megajoules
  • Easy and quick installation
  • Archival preservation information
  • Panel is removed and rotates at 360 °
  • Household / industrial
Application

Household, Industrial

Water temperature

For cold water, For hot water

Reading method

ultrasonic

Interfaces

LoRaWAN, Optical port, WM-Bus, М-Bus

Diameter

100, 15, 20, 25, 32, 40, 50, 65, 80

Connection

flange, threaded

Carving

G1″B, G1½”B, G1¼”B, G2″B, G¾”B

Ultrasonic water meter NIK 7021

Description

Household and commercial purposes
For cold/hot water
Ultrasonic measurement method
Battery-powered (service life up to 10 years)
Coupling and flange connection type
Mounting position vertical/horizontal
8-bit display
Intercalibration interval 4 years
Data transmission wireless according to the WM-Bus standard (mode T1, S1m), wired according to the M-Bus standard, LoRaWAN
Compatible with IEC 62056-21 mode C optical heads
The presence of a pulse output
Meets the requirements of the DSTU EN ISO 4064 series of standards
Material flowmeters brass or composite
It is possible to connect one meter to two flow meters (eg cold and hot water)

Dimensions

SPECIFICATIONS

Accuracy class 2
Temperature class Т30, Т50, Т90
Sensitivity class to the flow profile U5 D3
Pressure loss class, ∆p 0,063 MPa
Maximum pressure loss, Pmax 1,6 MPa
Сapacity of the reading device 99999,999 m3
Protection class flow sensor IP65
Protection class calculator IP54
Limits in ambient temperature 5 ... 55 ºС
Air humidity 0 ... 93 %
Intercalibration interval 4 years
 
Nominal diameter (Dn) DN 15 DN 15 DN 20 DN 20 DN 25 DN 25
R=Qn/Qmin 160 200 160 200 160 200
The upper limit of the flow rate, Qmax 3,125 m3/h 3,125 m3/h 5 m3/h 5 m3/h 7,875 m3/h 7,875 m3/h
The permanent flow rate, Qn 2,5 m3/h 2,5 m3/h 4 m3/h 4 m3/h 6,3 m3/h 6,3 m3/h
Transitional of the flow rate, Q2 0,025 m3/h 0,02 m3/h 0,04 m3/h 0,032 m3/h 0,063 m3/h 0,0504 m3/h
The lower limit of the flow rate, Qmin 0,0156 m3/h 0,0125 m3/h 0,025 m3/h 0,02 m3/h 0,0394 m3/h 0,0315 m3/h
 
Nominal diameter (Dn) DN 32 DN 32 DN 40 DN 40 DN 50 DN 50
R=Qn/Qmin 160 200 160 200 160 200
Upper limit of the flow rate Qmax 12,5 m3/h 12,5 m3/h 20 m3/h 20 m3/h 31,25 m3/h 31,25 m3/h
Permanent flow rate, Qn 10 m3/h 10 m3/h 16 m3/h 16 m3/h 25 m3/h 25 m3/h
Transitional of the flow rate, Q2 0,1 m3/h 0,8 m3/h 0,16 m3/h 0,128 m3/h 0,25 m3/h 0,2 m3/h
The lower limit of the flow rate, Qmin 0,0625 m3/h 0,05 m3/h 0,1 m3/h 0,08 m3/h 0,15625 m3/h 0,125 m3/h
 

Example of connection to two flowmeters

Table of performances

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