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Mass flowmeter EMIS-MERA 300

Mass flow measurement of liquids with gas inclusions up to 95%

Accuracy of +-1% and 5% for gas mediums Multi-phase medium metering Compact type Measurement of reverse flow Certified by the russian maritime and river registers of shipping

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  • Product description
  • Documentation and software
  • Technical parameters
  • Certificates
  • Picking
  • Presentations
Product description

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The flow meter is designed to measure the mass (mass flow rate) of liquids, oil and gas mixtures, crude oil under GOST R 8.615-2005 and oil products (hereinafter referred to as the measured medium), and to use the information obtained for technological purposes and accounting.

The flow meter is used in automated metering installations, in stationary technological installations, ground mobile refueling and pumping facilities, in commercial metering systems.

Features & Benefits:

  • Direct measurement of crude oil mass
  • The opportunity of liquid measurement with free gas inclusions up to 95%
  • The electric heating modification for high-viscosity liquids

The flowmeter can be used in both explosion-proof and explosive environments. The pulse sensor (pulse sensor with integrated computer) located inside the flowmeter is equipped with explosion-proof enclosure under GOST 30852.1 or intrinsic safety of "ia" protection level under GOST 30852.10. The electric heating device located on the flowmeter body has “e” type protection according to GOST 30852.8 and explosion-proof level "advanced explosion-proof reliability".

New opportunities of EMIS-MERA 300

New digital electronics Features & Benefits:

  • The calibration time was reduced from 5 hours to 40 minutes.
  • Calibration using universal testing facelities.
  • Self-diagnostic function.
  • The possibility of RS-485 expansion module installation
  • Adjustment of pulse weight and duration
  • Secondary equipment operation safety provided by galvanically isolated circuits of interfaces.
  • Original software EMIS-Integrator.
  • Archives and real time clock

Documentation and software
Documentation for the European Union
  • Operational Manual. EMIS-MERA 300

    EN
Technical parameters
Parameter Description
Medium liquid, oil and gas mixture, crude oil and oil products
Accuracy 1,0; 1,5; 1,75; 2,0; 2,5
Medium temperature 0 ... +135 °С
Upper limit of kinematic viscosity
EM-300-030, EM-300-060: up to 5·10-4 m2/s2/c
EM-300-120, EM-300-210, EM-300-480 up to 1.5·10-4 m2/s
Density (820 kg/cbm by default) 500 – 1500 kg/cbm
Excessive pressure of medium up to 6.3 MPa
The minimum permissible content of the volume fraction of free gas in the oil and gas mixture 2%
The maximum permissible content of the volume fraction of free gas in the oil and gas mixture 95%
The content of hydrogen sulfide in free oil gas by volume, not more than
under pressure up to 1,7 MPa 4%;
under pressure higher than 1,7 up to 4,0MPa and partial pressure of hydrogen sulfide up to 345 Pa 0,002%.
Limits of relative error for mass (mass flow), %, for meters of the following classes
1,0 ±1,00%
1,5 ±1,50%
1,75 ±1,75%
2,0 ±2,00%
2,5 ±2,50%
Explosion protection:
with electrical heating 2ExdeIIBT4X
w/o electrical heating 1ExdllС(Т4-Т6)X, 0ExiaIICT6X
Explosion protection:
pulse sensor with rated output signal 1ExdllС(Т4-Т6)X, 0ExiaIICT6X
Explosion protection of electrical heating unit 1ExdllС(Т4-Т6)X
Atmospheric pressure 84.0 to 106.7 kPa
Ambient temperature:
  • basic version meter
  • "C" version meter
  • basic version transmitter
  • "C" version transmitter
  • electrical heating unit


  • -40°С ... +80°С
  • -50°С ... +80°С
  • -10°С ... +80°С
  • -40°С ... +80°С
  • -50°С ... +5°С
Relative humidity, %, less than:
- flow meter
- external transmitter

95 % (condensing under 35ºС)
80% (non-condensing)
Magnetic field resistance up to 400 A/m, 50Hz
Vibration resistance group V1 under GOST Р 52931
Ingress protection IP67
Electrical heating unit ingress protection IP54
Pressure loss, not more than 0.01 MPa
Calibration interval 3 years
Mean time before failure, not less than 52 000 hours
Service life over 10 years


The flow range depending on the medium density

Flowmeter code Flow range depending on the density (ρ, kg/cbm)
500 ≤ ρ < 600 600 ≤ ρ < 700 700 ≤ ρ < 820 820 ≤ ρ < 1500
EM-300-030 0,3 … 18 0,3 … 22 0,3 … 26 0,3 … 30
EM-300-060 0,3 … 37 0,3 … 44 0,3 … 51 0,3 … 60
EM-300-120 0,3 … 73 0,3 … 88 0,3 … 102 0,3 … 120
EM-300-210 0,3 … 128 0,3 … 154 0,3 … 179 0,3 … 210
EM-300-480 0,3 … 256 0,3 … 307 0,3 … 359 0,3 … 480
Certificates
Documentation for the countries of the Eurasian Union
  • The utility patent. EMIS-MERA 300

    KZ
  • Declaration of Conformity for «Electromagnetic compatibility»

    RU
  • Declaration of Conformity "On the safety of low-voltage equipment"

    RU
  • Type approval certificate. EMIS-MERA 300

    RU
  • Certificate of Conformity GOST R 53679-2009, GOST R 53678-2009

    RU
  • Certificate of Conformity TR CU 032/2013 “On safety of equipment operating under excessive pressure”. EMIS-MERA 300

    RU
  • Declaration of Conformity TR CU 032/2013 “On safety of equipment operating under excessive pressure”. EMIS-MERA 300

    RU
  • The Customs Union Certificate of Conformity ТR CU 012/2011 “On the safety of equipment applied in hazardous area”. EMIS-MERA 300

    RU
Picking
  • Liquid mass flowmeter EMIS-MERA 300
  • Mounting kit (counter pipes of the hub joint, hub joints, gaskets, bolts/studs, nuts, flat washers)
  • Flanged disassembling joint EMIS-VEKTA VT300
  • EMIS-MERA 300