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Ultrasonic Heat&Water Flow Meter UVR-T M2

ultrasonic-heatwater-counter-uvr-t-m2Ultrasonic Heat&Water Meter UVR-T M2  is designed to measure heat capacity and the amount of heat energy in accordance with the metering rules at industrial enterprises and public utilities:
– volume, mass, volumetric and mass flow of heating medium in the supply, return, make-up pipelines;
– operating and downtime;
– temperature and temperature difference;
– pressures.
Ultrasonic Heat&Water Meter UVR-T M2 is intended for custody transfer and process metering of heat, water and other liquids, may be included in the measurement systems, automation systems, etc.

Name Parameter
The type and quantity of measurement channels:
– channel of flow measurement 1 or 2
– channels of pressure measurement up to 3
– channels of temperature measurement up to 3
Number of controlled heat supply systems 1
Temperature measurement range from 0 up to 150 °С
Temperature difference measurement range from 0 up to 150 °С
Nominal diameter of pipeline (DN):
– embedded EAT from 200 up to 4000 mm
– in-line section from 25 up to 1600 mm
– clamp-on EAT from 70 up to 3200 mm
Range of flow rate measurement from 0,1 up to 10,0 m/s
Relative error of flow measurement ±1% – for embedded EAT; ±2% – clamp-on EAT;
Gauge pressure in a pipeline for inserted EAT not more than 2,5 or 6,3 МPa
Channels of signal input RTD:
Number of Channels/Sensor Type up to 3/RTD-Pt100, RTD-100М, RTD-50М
Input channels of continuous DC signals:
– number of Channels up to 3
– ranges 4÷20 мA /Rinput ≤500 Ом; 0÷5 мА /Rinput ≤2 кОм;
– power Supply of sensors built-in power supply 24V
Absolute error of the RTD signal conversion not more than ±0,15 °С
The reduced basic error of signal conversion of pressure sensors not more than ±0,02 %
Indicator graphical, LCD, size 128 x 64 pixels
Keyboard membranes, 20 keys
Node of pulse-frequency output pulse-frequency signal, type “dry contact”
Power generator up to 15 V, current 0.05 A; not less than 0.25 W;
Node of the current output: Standardized DC signal proportional to the instantaneous flow rate
Measurement range 4 ÷ 20 мА or 0 ÷ 5 мА
Communication Channel: Interface RS-232 or RS-485
– exchange protocols ModBus RTU
– speed of exchange 4800; 9600; 19200; 38400; 57600; 115200 bit/s;
Power Supply: ~220 V; 50 Hz; 5 VA / = 12 V; 3,5 W;
Cable from RTD to EU РК-50; РК-75; MKESHv 1х2х0,75 or analog
capacitance/inductance line not more than 15 nF/not more than 0,2 mHz
cable length not more than 300m ( up to 500m on order is especially)
Cable from RTD to EU PVCe 2х2х0,75 or analog; length not more than 100m
Operating conditions: EU Temperature from 5 up to 50 °С; humidity up to 80%;
EAT Temperature from – 20 up to 150 °С; humidity up to 100%;
Ingress Protection EU/EAT IP56 / IP67


Ultrasonic Heat&Water Meters UVR-T M2 implement the ultrasonic time-pulse method of flow measurement. The Heat&Water Meter are configured using a built-in keyboard or RS-232/485 interface with the PC. Settings and archive data are secured to prevent unauthorized changes by restricting access to control functions via a password system and hardware-based security configuration from overwriting. The fact and the time of changes are recorded in the nonvolatile memory of the meter in the archive of interference.
The nonvolatile memory  of the Heat&Water Meter stores the following:

  • the quantity of thermal power;
  • the quantity of heat energy;
  • the volume and weight of the heating medium;
  • averages of pressure and coolant temperature;
  • operating time, downtime and power absence;
  • event archive.

The Heat&Water Meters are furnished with the PC software intended to read archive data, form and issue reports in the form of protocols, charts and graphs.

Heat metering scheme Interval of the temperature difference ΔТ °C Relative error δт, %, not more
For single-line heat meters, Scheme 4,6,8 from 5 (on) up to 10
from 10 (on) up to 20
from 20 (on) up to 145
For dual-line heat meters, Scheme 1…3, 7 from 5 (on) up to 10
from 10 (on) up to 20
from 20 (on) up to 145

Questionnaire – Download

Brochure – Download