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Conductometric sensor relay of a fluid level POC-301-DIN buy in Almaty
Buy Conductometric sensor relay of a fluid level POC-301-DIN
Conductometric sensor relay of a fluid level POC-301-DIN

Conductometric sensor relay of a fluid level POC-301-DIN

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Kazakhstan, Almaty
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9 years on Allbiz
Description

POC - 301 - DIN - new signaling devices (sensors relay) of level of the range ROS - 301, in DIN rack execution. Devices are intended for control of the 3rd (three - channel) or the 4th (four - channel option) levels of conducting liquid in one, or several reservoirs.

Can be used as independent products for management of power units or as devices of approval of conductometric sensors of other controllers in the general schemes PCSs. Are applied to water control (water, technical), drain waters, alkaline, acid solutions, to work in systems of boiler automatic equipment, treatment, drainage facilities, etc.

Characteristics Value
A power supply is variable 220B / 50 Hz
Continuous power 24B or 12B
The power consumed 2,5vt
Number of channels 3 (4)
Switching current, maximum 5A/240V AC
Electrode voltage 6B, DC
Operation resistance to 25 kOhm
Operation delay from 0,1 to 3 sec.
Measurement range to 15 m
Fastening DIN rail
Pylevlagozashchita IP 20

Functionality

  • BROAD RANGE OF APPLICATION
  • HIGH SENSITIVITY AND NOISE STABILITY
    due to application of modern circuit engineering and components
  • WORK WITH LIQUIDS, DIFFERENT ON CONDUCTIVITY
    acids, alkalis, solutions of salts, mains water,
    technical, cleared, etc.
  • SIMPLICITY IN OPERATION AND RELIABILITY
    installation and setup is carried out without dismantle of the device
  • EXECUTION ON DIN - REYKU
  • LEVEL ALARM SYSTEM RANGE TO 15 METERS
    when using flexible sensing element
  • THREE OPTIONS OF A POWER SUPPLY
    220 V variable, or 24/12 B direct currents
  • DELAY OF OPERATION OF SENSORS
    it is provided in the range from 0,1 to 3,0 seconds

Example of record for the order

Leading dimensions of the transferring converter

The scheme of connection of the transferring converter

Appearance and leading dimensions of sensors

Option of application ROS - 301, ROS - 301 - DIN for drainage of drainage wells, the Pumpings mode

Option of application ROS - 301, ROS - 301 - DIN for maintenance (regulation) of a fluid level in the set range, the mode of "Filling"

Placement of sensors on a reservoir wall at horizontal mounting

sensors it is necessary to have obliquely to avoid formation of conducting deposits on electrodes

Security measures

At operation and technical maintenance it is necessary to observe the requirement of GOST 12.3.019 - 80, "Service regulations of electric units of consumers", "Rules of labor protection at operation of electric units of consumers". The persons who have studied the present passport and the operation manual should be allowed to works with the device.

ATTENTION! Any connections to the transferring converter (PRP) and works on its technical maintenance to carry out only at powered off!

Preparation for work and mounting

At vertical mounting of sensors (on a reservoir cover) the distance between openings for fastening of sensors should be not less than 60 mm. Lengths of electrodes should correspond to controlled levels. At installation of sensors with electrodes over 0,6 m long on reservoirs with strong nervousness of liquid, it is necessary to record an electrode through an insulator, or to provide protection of an electrode an insulating damping device (the dry pipe, a grid, etc. ).

At horizontal mounting of sensors (on a reservoir sidewall) the centers of an opening on the reservoir should be above controlled levels at a size of radiuses of electrodes of sensors. Horizontal installation of sensors is possible only at control of the liquids which are not forming the carrying - out deposits on a sensor insulator. For ensuring running off of liquid from a sensor electrode the end of an electrode is recommended to be oriented down on 10 - 20 °. The reservoir with the controlled environment should be grounded and connected to contact "EARTH" of the transferring converter (PRP).

At installation of sensors on reservoirs from non - conductive material it is necessary to provide availability in the reservoir of an additional electrode (for example, a metal strip) which should be grounded and connected to contact "EARTH" of the transferring converter. The additional electrode is established so that the working part was in continuous contact with liquid in all range - from the lower reference level to upper inclusive. All sensors on the reservoir to have so that to exclude "short circuit" them among themselves and with an additional electrode or a wall of the metal reservoir.

Connection of the transferring converter with sensors is carried out by a wire of any length (to 1000 m) with a resistance of each wire no more than 20 Ohms. Communication line insulation resistance at the disconnected transferring converter should be not less than 1 megohm. Make mounting according to "Electric Installation Code (EIC)" and the scheme of connection by any wire or a cable with the maximum section of vein of 1,5 mm2.

At installation of the transferring converter (PRP) in a cabinet, the body of a cabinet needs to be grounded.
Give supply voltage (the LED "the NETWORK burns) and to check operation of the device for what consistently to close electrodes of sensors on contact "EARTH" at the same time relays should work and light up the corresponding LEDs. LEDs "LEVEL" (a red luminescence) signal about contact with liquid of the sensor of an appropriate level (marking 1,2,3,4 on the front panel of the device)

Upon termination of works to make gradual filling and emptying of the reservoir, controlling turning on (switching off) of the relevant channels (levels).

Technical maintenance

To make performance of work on technical maintenance at powered off the transferring converter.
Maintenance interval is established proceeding from device operating conditions, but at least 1 time in half a year.
When carrying out THAT it is necessary to check a condition of sensors (if necessary to make cleaning of electrodes), reliability of connecting lines with PRP, to clear terminal contacts of the transferring converter and body of dust and dirt.

Marking and container

On etiquette it is put: the name of manufacturer designation of the device and its modification the utilization properties given to the specifications and technical documentation (TU) of the characteristic of power voltage (a pylevlagozashchit, climatic parameters) serial number of a product year of production.
Packaging of the block is made according to GOST 23088 - 80 in the market container.

Transportation and storage

Transportation of the device in packaging is allowed at: to ambient air temperature from - 25 to + 75 ° C and relative air humidity no more than 95% with observance of measures of protection of blows and vibrations transportation is allowed by all types of the closed transport. To carry out storage of the block in packaging in the closed heated rooms.


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Conductometric sensor relay of a fluid level POC-301-DIN
Conductometric sensor relay of a fluid level POC-301-DIN
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