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STK MARS heat meter (Du 15,20) buy in Shymkent
Buy STK MARS heat meter (Du 15,20)
STK MARS heat meter (Du 15,20)

STK MARS heat meter (Du 15,20)

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Kazakhstan, Shymkent
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Description
  • it is intended for measurement of thermal energy, volume and temperature of the heat carrier, and also for calculation of quantity of the impulses formed by metering devices with a pulse exit in apartments and cottages with a small expense of volume of the heat carrier;
  • is established either in giving, or in the return pipeline in systems with horizontal distributing;
  • at the expense of a counter complete set a pulse exit or RS485 integration into the automated system of data collection (ASKUE) is possible;

Equipment options

standard execution:

  • brass case;
  • optical interface;

execution with the RS485 interface:

  • standard execution;
  • the calculator is equipped with the RS485 interface;

execution with a pulse exit:

  • standard execution;
  • the calculator is equipped with a pulse exit (the impulse price adjusted);

all modifications is issued for installation both on the giving pipeline, and on the return pipeline;

all modifications are issued on three options of nominal expenses (see the table).

The heat meter of STK "MARS" measures, calculates, displays and transfers the following parameters:

  • volume of the heat carrier, m ³;
  • expense of the heat carrier, m ³ / h;
  • heat carrier temperature in the giving and return pipelines, °C;
  • difference of temperatures in the giving and return pipelines, °C;
  • thermal power, Gcal/h;
  • the saved-up thermal energy, Gcal;
  • date and time;
  • the water volume measured by the counters with a pulse exit connected to calculating entrances;
  • serial number;
  • codes of mistakes

Complete set

  • compact heat meter;
  • passport;
  • set of connecting parts.

Name of parameter

Norm for heat meters diameter of conditional pass, Du, mm

Diameter of conditional pass, Du, mm

15

20

Maximum expense of Qmax, m3/hour

1,2

2

3,0

3,0

5,0

Nominal expense, Qn, m3/hour

0,6

1,0

1,5

1,5

2,5

Minimum expense, Qmin, m3/hour

0,012

0,02

0,03

0,03

0,05

Relative error of measurement of volume, %

± (2+0,05 · (Qn/Q))

Range of measurements of temperature, ºС

from +0 to +130

Range of measurements of a difference of temperatures (Δt), ºС

from +2 to +130

Absolute error of measurement of a difference of temperatures, °C

± (0,2+0,005 · Δt)

Maximum working pressure, MPa

1,6

Loss of pressure at Qn, MPa, no more

0,15

Protection class in accordance with GOST 14254

IP54

Tension of the built-in battery, In

3,6

Battery service life, not less, years

6

Service life, not less, years

12

Assembly length is L, mm

110

130

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STK MARS heat meter (Du 15,20)
STK MARS heat meter (Du 15,20)
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