Verification installation CP- DU

Verification installation CP- DU

Verification installation CP- DU

CP-installations DU are intended for measuring, reproducing, storing and transmitting units of liquid mass and/or liquid volume in a flow, and/or mass consumption liquids, and/or volumetric consumption liquids at conducting research, tests, verifications, calibration and others works By definition metrological characteristics funds measurements And standards of units of mass of liquid in a flow and/or volume of liquid V stream, and/or mass liquid consumption , and/or volumetric consumption liquids.

IN quality means measurements volume liquids in composition verification installations a compact prover is used .

The compact prover consists of a measuring cylinder With known value capacity in which a piston with a plate valve moves freely, an optical detector unit provisions piston, systems piston return .
Weight liquids V stream and/or mass liquid consumption And/ or volumetric consumption liquid is measured (playing) With use of funds measurements density, temperature, pressure and information collection and processing systems

verification

Technical characteristics Installations CP- DU

Name characteristics Meaning
Nominal volume (nominal capacity) of the measuring (calibrated) plot, dm 3 1) from 20 to 650
Measurable Wednesday 1) liquid (water 2) , chemicals, industrial liquids, condensate )
Temperature measurable Wednesday, 0 C 1) from -40 to +90
Excessive pressure measurable Wednesday, MPa, no more 1) 10.2
Parameters electric power supply: 1)
– voltage nutrition, IN
– frequency, Hz
380±38; 220±22
50±1
Conditions operation: 1)
– temperature surrounding Wednesday, 0 C
– atmospheric pressure, kPa
from -40 to +50
from 84 up to 107
Marking explosion protection 1Ex IIB T4 Gb X
Average service life of the installation, years Average development on refusal, h 15
100,000

1) specific meaning indicated V operational documents on installation

2) measurable Wednesday, applied at verification installations

Metrological characteristics installations modifications CP- DU2

Name of the characteristic Meaning
Range of measurements (reproduction) of mass and volumetric liquid flow rates1), t/h (m3/h) от 0,057
до 2500
Limits of permissible relative error (confidence limits of the total error) in measuring (reproducing a unit) of liquid volume (capacity) in a flow, % ±0,05
Limits of permissible relative error (confidence limits of the total error) in measuring (reproducing units) the mass and volume of liquid in a flow, mass and volume flow rates of liquid, % ±0,08

1) specific meaning indicated V operational documents on installation