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iangsu Zhongwei Measurement and Control Co., Ltd.Free·1YRS

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    zhongweick@163.com

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    0517-86918678

  • Address

    No. 4-4 East West Road, Jinhu County Industrial Concentration Zone, Huaian City, Jiangsu Province

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The anti-corrosion float liquid level gauge

Model
Nature of the Manufacturer
Other
Product Category
Floating Ball Level Meter
Place of Origin
City, Province
Overview
The anti-corrosion float liquid level gauge
Product Details
Description:

Products overview:

ZW - UQZ series anticorrosive float liquid level gauge is mainly composed of maglev ball, sensor and transmitter of three parts.Ball float liquid level meter adopts 304 stainless steel, PVC, PTFE and other materials for protecting tube and installation fixed parts;For strong corrosive medium, adopt ptfe sintering in contact medium metal protection tube, the surface of the floating ball, to ensure that the liquid level meter is not corrode.According to user requirements the preset magnetic sensor, float with the liquid surface movement change the default state of magnetic sensor signal on-off, realize the monitoring of the liquid surface.

Second, the working principle:

ZW - UQZ series anticorrosive float liquid level gauge is when the maglev ball change with the liquid surface, floating up and down along the tube, floating ball in the magnetic steel and sensors in the corresponding position of dry reed pipe sensor is a change in the total resistance by the transmitter will change again after the resistance of the signal is converted into 4-20 ma electrical signal output, and through the digital display control instrument or column display device to remote measurement of liquid level, and on the display set upper and lower limit alarm, realize remote digital control of liquid level.Can also be composed of other regulator level constant value control computer control system, realize the PID for remote control of the liquid level.

Applications:

ZW - UQZ series anticorrosive float liquid level gauge is suitable for low temperature to various environment, such as high temperature, vacuum to high pressure or oil products, chemical and other industries ideal level measurement.The instrument configuration transmitter, also can realize remote indication, detection and control of liquid level.

Four, the main features:

1, plastic PP, PVDF, place can be used in strong acid and alkali.

2, metal material has SUS304/316 l, can be applied to high temperature 200 ℃, 64 kg/cm2 places high pressure;3, metal ball float bits of 45, bits of 52, 75 bits of specifications;

4, plastic has bits of 48, bits of 55.From 0.5 to 0.8 g/cm3.

5, two wire output 4 ~ 20 ma, or three line resistance, 5 ~ 30 VDC supply voltage.

6, junction box, stainless steel, aluminum alloy, PC, PP

7, in the way to have a tooth mouth PT, PF, NPT, BSP, flange type JIS, DIN, ANSI specifications arbitrary choice.

8, protection grade qualification or terminal block for the IP - 65.

9, special specifications can also meet the needs of the customer ordering.

Five, the technical parameters:

1, the transducer length: 6000 mm or less (optional);

Measuring range: L 5500 mm or less;

Installation height: H 5700 mm or less;H - L 200 mm or less;

2, plus or minus 1.5% accuracy in the transmitter (measuring height H > 1000 mm), plus or minus 1.5% (measuring height 500 mm H 1000 mm or less) or less.

3, the output signal: 4 ~ 20 ma two wire system;

4, output load: 90 ~ 1 k Ω, 0 ~ 500 Ω;

5, junction box shell protection: I P65;

6, measuring medium temperature: - 20 ~ 130 ℃;

7, measuring medium pressure: 0.6 Mpa or less;

8, measuring medium conditions: 0.07 or less viscosity PaS.Acuity 0.8 g/cm3 density;

9, floating ball, standard delivery ¢150 (guide for 25 ¢);

Special supply ¢56 (guide for ¢12);¢29 (guide rod is ¢7.5).

10, working voltage:, dc 24 v, 5 a.

Six, installation instructions:

1, the instrument shall be installed in the float up and down the location of the unhindered.

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, 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:

Adjusting the zero key [Z], [S], function keys [M]

Operating content

Operation method

note

Button to open the

At the same time press the [Z] and [S] key more than 5 seconds, you can OPEN the (LCD screen display: OPEN).

PV value zero

(The zero adjustment)

Will float on the zero directly, on the keys, and at the same time press the [Z], [S] key more than 2 seconds, can the current PV value is set to 0, (the LCD screen display: PV = 0)

If the current PV value with zero value deviation exceeds 50% FS, PV value zero is invalid, (LCD screen display: PVER)

Four ma active migration

Button to zero: put float at zero, press the [Z] button 2 seconds, transmitter output 4 ma current, complete zero operation.(LCD screen display: LSET)

20 ma active migration

Key tone: full will float in a full, press the [S] button 2 seconds, the transmitter output 20 ma current, complete the full operation.(LCD screen display: HSET)

The transmitter data recovery

Press [Z] key, and then put through power supply, continue to hold the [Z] more than 5 seconds, if the LCD screen display OK, then have the transmitter data back to the factory state, can loosen the buttons, if the LCD display FAIL, says express not transmitter for data backup, data recovery cannot be transmitter to the factory state.

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 CAccording to the function keys after zui confirm and exit sets back show status.

According to the content

Set the content

Operation method

0.888

ZEPO CM

Set up the4mAPoint range

According to the[Z]Key revision number or a decimal point

According to the[S]Key numerical or decimal point position adjustment

100.00

SPRN CM

Set up the20mAPoint range

Same as above

Same as above

2.000

DPMP S

Sets the damping time

Same as above

Same as above

12.008

DISP mA

Set the display mode

According to the[S]Choose the display mode button(According to liquid level, current, percentage)

3.6

FIX C CM

Fixed output current

Output screen display the current value(3.6、4、8、12、16、20、22.8mA)

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

Nine, selection of code:

type No.

generation code

said Ming

ZW-UQZ-F

-□

-□

-□

-

-

-

Explosion-proof float liquid level gauge (wei measurement and control)

Range (mm)

range500mm<H<5500mm

Medium density

kg/m3

Density >0.7

installation

0

Bracket installation

- 1

DN80 PN0.6

2 -

DN100 PN0.6

-T

Special instructions

Answer the liquid material

1

304

2

316

3

PP(Atmospheric pressure)

4

Special instructions

The output signal

1

current4~20mAThe output24VDCThe power supply

T

Special requirements

Display mode

N

Don't take the display function

LED

With the function of live shows

Ten, 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.


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