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, Household, Industrial, Industrial

Water temperature

For cold water, For hot water, For hot water, For cold water

Reading method

ultrasonic, ultrasonic

Interfaces

LoRaWAN, LoRaWAN, Optical port, Optical port, WM-Bus, WM-Bus, М-Bus, М-Bus

Diameter

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

Connection

flange, flange, threaded, threaded

Carving

G1″B, G1″B, G1½”B, G1½”B, G1¼”B, G1¼”B, G2″B, G2″B, G¾”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 class2
Temperature classТ30, Т50, Т90
Sensitivity class to the flow profileU5 D3
Pressure loss class, ∆p0,063 MPa
Maximum pressure loss, Pmax1,6 MPa
Сapacity of the reading device99999,999 m3
Protection class flow sensorIP65
Protection class calculatorIP54
Limits in ambient temperature5 ... 55 ºС
Air humidity0 ... 93 %
Intercalibration interval4 years
 
Nominal diameter (Dn)DN 15DN 15DN 20DN 20DN 25DN 25
R=Qn/Qmin160200160200160200
The upper limit of the flow rate, Qmax3,125 m3/h3,125 m3/h5 m3/h5 m3/h7,875 m3/h7,875 m3/h
The permanent flow rate, Qn2,5 m3/h2,5 m3/h4 m3/h4 m3/h6,3 m3/h6,3 m3/h
Transitional of the flow rate, Q20,025 m3/h0,02 m3/h0,04 m3/h0,032 m3/h0,063 m3/h0,0504 m3/h
The lower limit of the flow rate, Qmin0,0156 m3/h0,0125 m3/h0,025 m3/h0,02 m3/h0,0394 m3/h0,0315 m3/h
 
Nominal diameter (Dn)DN 32DN 32DN 40DN 40DN 50DN 50
R=Qn/Qmin160200160200160200
Upper limit of the flow rate Qmax12,5 m3/h12,5 m3/h20 m3/h20 m3/h31,25 m3/h31,25 m3/h
Permanent flow rate, Qn10 m3/h10 m3/h16 m3/h16 m3/h25 m3/h25 m3/h
Transitional of the flow rate, Q20,1 m3/h0,8 m3/h0,16 m3/h0,128 m3/h0,25 m3/h0,2 m3/h
The lower limit of the flow rate, Qmin0,0625 m3/h0,05 m3/h0,1 m3/h0,08 m3/h0,15625 m3/h0,125 m3/h
 

Example of connection to two flowmeters

Table of performances

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