Float type level gauge in succession

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Float type level gauge is continuously consists of two parts, liquid level sensor and current conver…

Products overview:

ZW - UQZ seriesFloat type level gauge in successionIs based on the maglev ball measuring element, through the magnetic coupling effect, the sensor resistance changes linearly, by intelligent converter converts resistance change into standard 4 ~ 20 ma current signal, and superposition HART signal output or on the liquid crystal display, but the scene shows the percentage of the liquid level, 4 ~ 20 ma current and liquid level value, far easton supply control room can realize automatic detection, control and record of the liquid level.

Second, the working principle:

ZW series - UQZ float continuous type level gauge is used along with the change of liquid level float within the magnet will change the resistance inside the rod body with magnetic reed switch of voltage circuit, thereby pressure signal conversion components, the pressure signal can pass the level into 4 ~ 20 ma and other standard industrial signal, to detect liquid level.The smaller the magnetic reed switch gap, the higher the precision.The gauge can also cooperate with other secondary instrument for remote indication, is a kind of simple principle, excellent reliability level indicator.

Applications:

ZW series - UQZ float type level gauge continuously action sensitive, high reliability, long working life, resistance to impact load capacity is strong, widely used in water treatment industry, food machinery, water treatment, paper making, power generation equipment, petrochemical industry, shipbuilding and also applied in the industrial equipment under high temperature environment is high, the low level detection.

Four, the main features:

1, the SMD technology, improve equipment reliability.

2, automatic power adjustment and gain control, temperature compensation.

3, advanced testing technology, rich software function to adapt to all kinds of complicated environment.

4, with new waveform computing technology, improve the measurement precision of the instrument.

5, with functions of clutter echo of dampening guarantee real measurement data.

6, 16 bits D/A conversion, improve the accuracy and resolution of output current.

7 tetrafluoroethylene materials, sensors, can be used for various corrosion occasion.

8, multiple output format: programmable relay output, high precision 4-20 ma current output.

Five, the technical parameters:

Measuring range: 0 ~ 3500 mm;

The power supply voltage: 12 ~ 36 v DC;

Two wire output signals: 4 ~ 20 ma. DC superposition digital signal, prescribing selected by the user or linear output;

Load resistance: 250 Ω;

Accuracy: + / - 10 mm;

Ambient temperature: - 40 ~ 80 ℃;

Working temperature: - 20 ~ 120 ℃;

Nominal pressure: 1.6 MPa or less;

Flange standard: A: JB/T82.1-94 (flat flange) DN100 PN1.6 ball phi 90;

B: JB/T82.1-94 (flat flange) DN80 PN0.6 ball phi 76;

Medium density: 0.65 g/cm - 3 or higher;

Medium viscosity: 0.015 PaS or less;

Connect a fluid material: stainless steel;

Protection grade: IP65.

Six, installation instructions:

1, UQZ ZW - type instrument.

2, should not be measured medium containing ferromagnetic impurities.

3, in order to prevent the transport float in a sealed tube on the slide or collision, cause measuring tape out, the meter before they go out, use clamp to fix floating ball in the seal at the bottom of the tube, magnet steel on the top of the sealing tube.Users should be down clamp before install and use, will float up to sealing pipe top, then gently to float down, should make the corresponding rotational beard needle.

4, the face of the instrument instructions for pointer, full instructions digital measurement for gel injection direction is arranged, when an empty measure indicator for inverse direction when the needle.

5, instrument factory with flange installation, the user should match pipe flange.

6, instrument installation position generally choose the half range.

Seven, installation form:

Ball float liquid level score the following four types of installations

A: overhead installation;B: the lateral side of the installation;C: the lateral end of installation;D: support installation.

(when placing order, please indicate the type of installation and long length L value.)For exposure or non-metallic containers, can be used in a scaffold installations.

Ann

Eight, install and use notice:

1, level gauge putting-in-service proactively after a period of time, present float to float and float move not sensitive situation.This is fundamentally due to the magnetic float was matted with iron filings or other contaminants.Can be emptying medium first, and then remove the float, eliminate some iron filings on magnetic float or other contaminants.

2, occasionally found in field calibration float up and down move not sensitive enough.This is mostly due to improper level meter device made up of, at this time to pay more attention to the center of the upper and lower flange can be in a line, with the degree of surface vertically.Common, and the degree of surface zui very not less than 87 degree Angle, if deviation is bigger, may affect the float move smoothly.

3, when choosing the Ann type liquid level meter, especially to pay more attention to the level and peace can grid impedance matching.

4, level gauge calibration is normal, after putting-in-service proactively find float in a position to present a period of "absorb" phenomenon.This device is mainly the level through the steel platform, and the steel plate spacing too close.Therefore, through the steel platform device needs special attention to the level of pipe wall and platform cutting line spacing.

5, liquid level meter used in the process, if the output signal frequency pulse disturbance or interference, check signal cable shielding layer can be reliable grounding, work is meet the request of the resistance.

6, level gauge field putting-in-service proactively, to pay special attention to should be opened the upper gate, opened lower after the gate.This is due to the level of at the bottom of the pipe is equipped with maintenance float the thrust of spring, otherwise, the role of big differential pressure level meter can crack-up float incurred cannot use.

7, if due to transport or other reasons cause the instructions with airtight glass tube rupture, usable domestic glass tube to change.But good zui to vacuum.Also, be aware of glass tube can be vertical, lest affect indicator's instructions.

8, level gauge particularly want to pay attention to when using, don't use strong magnet pull float up and down outside the pipe stop check, or you will incur magnetization of the magnetic float and polarity changes, so that can make the magnetic float, which is difficult to work properly.

Instructions:

1, key operation:

if2Within minutes without any button press, transmitter keys locked automatically, if you want to operate, need to open again.The above operation, the use of the zero key 【Z", the full key"S】 can be realized, and the two key transmitter board the above instructions.Without a header display external current meter can also achieve adjustment.
2, measuring parameter Settings:
Measuring parameter Settings, continuous press the function key"M】 will be displayed in turnZERO、SPRN、DPMP、DISP、FIX C According to the function keys after zui confirm and exit sets back show status.

Explanation: the parameter is set, if2Minutes no button pressed, the direct return to measuring mode (not save Settings data).

Ten, selection of code:

Eleven, design selection and ordering information:

1, when you order it to indicate the type, medium density, temperature, pressure, insert depth (L) (L), measuring range, the flange standard, specification, quantity,

2, if you have special request, please specify when ordering.

After-sales service commitment:

Level 1, I companies sell products within twelve months appear quality problem, is responsible for free maintenance.

2, the warranty period, any quality problems such as the products of our company, my company is responsible for free repair or replacement.

3, the warranty period, such as user improper use, damaged products, my company is responsible for the maintenance, charge damage parts cost.

4, after the warranty period appear quality problem, my company is responsible for the maintenance, charge damage parts cost.

5, such as user need to my company site services, to users in the province I company service personnel to reach the site within 12 hours, fujian association of foreign languages and user reach the site within 48 hours.