«Kvarta» parameter control system

The system is designed for:

for continuous measurement of the level and temperature of media in tanks;
for calculations (depending on the variants of execution):
– the volume of the product in each tank;
– the total volume of the product in the tank farm;
– free volume in each tank and in the tank farm;
– the mass of the product in each tank and in the tank farm;
– the mass of the vapor phase in each tank and in the tank farm;
– the rate of change in the product level; the forecast of the time of filling (emptying) of the tank;
for signaling:
– minimum and maximum emergency level;
– the upper level of the measured medium;
– unauthorized changes in the controlled levels of the measured media;
– change in the temperature of the measured media.

The system functions-control of parameters of petroleum products (oil, gasoline, oils), liquid media used in the chemical, food industry, and liquefied gases (propane, butane, ammonia).

The scope of application of the system is the management of technological equipment, emergency alarms, production, transportation, processing and storage of media in storage facilities.

Measurement range, m:

liquid media level: from 0.4 to 17.0

Limits of the permissible basic error of the level measurement channel, not more than, mm:

- in the measurement range up to 10.0 m: ± 3
- in the measurement range from 10.0 to 17.0 m: ± 7

Resolution, mm:

Limits of the permissible basic error of the temperature measurement channel, no more than, °C:

- in the temperature range from -10 to +85 °C: ± 0.5;
- in the temperature range from -55 to -10 °C and from +85 to +125 °C: ± 2.0

System power supply:

from the AC network with a voltage with a nominal value of 220 V, a frequency of 50 ± 5 (60) Hz

Power consumption, no more, V * A:

- без ПК: 40;
- с ПК: не более 500

Direct measurements

- level, temperature

Indirect measurements

- volume, weight

Maximum level measurement accuracy

3 mm

Accuracy of measuring the temperature of the measured medium

0,5 °С

The system consists of:

the unit of measuring converters;
base unit;
computer-based controller;
cable communication line between the unit of measuring converters and the base unit;
uninterruptible power supply).

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