Flange level transmitter

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Flange level transmitter is the introduction of foreign advanced technology and equipment production…

Products overview:

ZW3051LT seriesThe French orchid liquid level transmitterIs the introduction of foreign advanced technology and equipment production of new type of transducer, the key raw materials, components and parts are imported, the whole machine after assembled and tested strictly, this product has the advanced design principle, the variety specification is complete, installation convenient use, etc.For isolation diaphragm is very thin and is corrosion resistance of the weak link, so the liquid membrane material with 316 l, hartz C - 276, monel, tantalum, etc., can be applied to different situations of anti-corrosion requirements, according to the measured medium concentration, humidity, pressure and other parameters for corrosion resistance is given in appendix table reference for reasonable selection.Such as strong corrosion occasion can choose anti-corrosion structure transmitter.When the user does not indicate in 3 "150 lb installed flange and the liquid membrane materials 316 l.

Second, the working principle:

ZW3051LT series French blue liquid level transmitter is also called the plug-in sheet flange level transmitter, pressure transmitter and measured with capillary connection between equipment becomes a single flange far eastone pressure transmitter, is a kind of by installing remote transmission device on a pipe or container to feel the pressure, the pressure inside by capillary pump silicone oil (or other liquid) to the body of the transmitter, then the transmitter inside the main body of the delta and amplification circuit board, to convert pressure or differential pressure 4 ~ 20 ma. DC signal output, and conform to the HART protocol with the hand of the operator, can communicate, to set up and monitor.

Applications:

ZW3051LT series French blue main body structure of the liquid level transmitter and pressure transmitter is the same, in order to adapt to different installation requirements, this series transmitter has many forms of remote transmission device for the user to choose from.The products are widely used in petroleum, chemical, electric power, food, paper making, municipal engineering and other industries.

Four, the application of medium:

1, high temperature viscous medium;

2, easy to be crystallized media;

3, with solid particles or suspended solids precipitation medium;

4, strong corrosive or toxic medium;

Can eliminate guide the occurrence of pressure pipe leakage pollution environment;Using spacer can be avoided, because of the measuring signal is not stable, needs to add spacer often tedious work.

Accurate measurement in 5, interface and density;

Far eastone device can avoid different instant media fusion, so that the measured results truly reflect the actual situation of process changes.

6, requiring high health clean;

Such as food, beverage and pharmaceutical industry production, not only requires the transmitter medium contact conform to the hygiene standards, and should be easy to wash, to prevent cross contamination of different mass media.

Five, the main features:

1, by simulating the running online examination, to guarantee the transducer working in extreme environment temperature, medium temperature and pressure (including positive pressure or vacuum), stable and reliable work.

2, USES the dynamic state of faces far eastone diaphragm structure, after the overload diaphragm would not be damaged;After long-term working accuracy will not change.

3, choice of welding and sealing structure of pump system rigidity, the eradication of the oil spill.

4, design the capillary combination of components, the capillary reliable protection in the field use is not easy to break.

Shape and size 5, variety, variety of the remote transmission device, and plenty of pouring liquid type, can meet the needs of the measured at various occasions.

6, can provide all kinds of special needs products, including high temperature, high vacuum range, fast response and long capillary length (3 m) or less far eastone pressure transmitter.

Six, intelligent features:

1, miniaturization (2.4 kg) stainless steel flange, easy to install;

2, process connection compatible with other products, the realization of ideal measurement;

3, with H alloy sheath in the world of sensors (technology), achieved good cold and hot stability;

4, using 16 computer intelligent transducer;

5, standard 4-20 ma, with digital signal based on HART protocol, remote control;

6, support to the field bus and upgrade based on the technology of field control;

7, the measurement of super performance, used for pressure, differential pressure, liquid level, flow measurement;

8, digital precision: + (-) 0.05%;

9, the simulation precision: + + (-) (-) 0.75% 0.1% F.S;

10, the whole performance: + 0.25 F.S (-);

11 and stability: 0.25% 60 months;

12, range: 100:1;

13, measuring rate: 0.2 S.

Seven, simulation model features:

1, no mechanical moving parts, maintenance quantity is little;

2, light weight (2.4 kg);

3, the structure of the whole series of unified, strong interchangeability;

4, miniaturization (total 166 mm high);

5, optional contact medium diaphragm material;

6, unilateral withstand pressure;

7, low pressure casting aluminum alloy shell;

8, high precision;

9, continuous tunable range, zero external;

10, stable performance is good;

11, positive transfer can amount to 500%, negative transfer of 600%;

12, two wire;

13, damping adjustable, overpressure resistant;

14, solid sensor design.

Eight, the technical parameters:

1, the output signal: 4 ~ 20 ma DC two wire (simulated) two wire 4 ~ 20 ma digital signal superimposed on the DC signal, the linear output or prescribing selected by the user.(smart)

2, power supply: 12 ~ 45 v DC.

3, load characteristics:

Power supply: < 0.005% output range/V;

Load impact: when power supply stable, without load effect;

Accuracy of measurement, calibration range of plus or minus 0.1%, plus or minus 0.2 standard accuracy is + / - 0.2%, if choose other precision in the model selection of the order, please specify;

Quantity than: now or 100-1;

Resistance, : usually can be adjustable between 0.1 ~ 16 seconds, when the pump inert liquid or remote transmission device, the time constant will increase;

Start time: < 2 seconds, do not need to preheat.

4, work environment: the environment temperature - 29 ~ 93 ℃ (analog amplifier);

- 29 ~ 75 ℃ (digital/intelligent amplifier);

- 29 ~ 65 ℃ (with display meter);

Environmental humidity 0 ~ 95%.

5, protective features: protection IP65;

6, explosion-proof type, flameproof Exd II BT4-6;

The Ann model Exia II CT5.

7, static pressure influence: zero error: plus or minus 0.5% zui limit, in a wide range for 32 mpa in the pipes under pressure by zero calibration.

Zui 8, the electromagnetic radiation: 0.05% value in a wide range, accept radiation frequency 27 ~ 500 MHZ, test voltage 3 v/m.

9, indicator (%) : LCD digital display accuracy + / - 0.2%.

200 hz, vibration impact: any direction vibration, plus or minus 0.05% / g.

11, installation location: diaphragm installed vertically, not likely to produce the zero error of less than 0.24 KPa, but can be modified by zero.

12, heavy volume: 3.9 Kg (not including attachments).

Nine, application note that matters:

1, measure the liquid pressure, flange level transmitter installation location should avoid the impact of the fluid (water hammer), in order to avoid the sensor damage of overpressure.

2, when the winter freezing in single flange level transmitter, anti-freezing measures according to the required in outdoor transmitter, without pressure, fluid due to the icing volume expansion in the mouth, lead to the damage of sensors.

3, connection, cable through the waterproof connector (attachment) or round tube and screw down the sealing nut, such as in case of rain through the cable leakage into the transmitter inside the shell.

4, when measuring the liquid pressure, pressure pipe side should be open in the process, in order to avoid precipitation product residue.

5, to prevent fluid of flange transmitter and corrosive or overheating of media contact, prevent the dross in intraductal deposit;

6, when measuring the pressure of gas, pressure mouth will open at the top of the process piping, flange level transmitter and also will be installed in the upper part of the process pipe so that the deposition of liquid pipelines of rapid injection to the process.

7, to pay attention to the guide of sensor pressure tube to install where small temperature fluctuations;

8, measuring, steam or other high temperature medium to connect with the buffer tube (coil) such as condenser, should not make the transmitter operating temperature more than limit.

10 and maintenance:

The following is our maintenance of single flange level transmitter is introduced.

1, flange level transmitter occurred during the winter freeze, when installed in the outdoor anti-freezing measures needed for transmitter, without pressure, fluid due to the icing volume expansion in the mouth, lead to the damage of sensors.

2, connection, cable through the waterproof connector (attachment) or round tube and screw down the sealing nut, such as in case of rain through the cable leakage into the transmitter inside the shell.

3, when measuring the pressure of the gas, apply pressure to open at the top of the process piping, flange level transmitter and also will be installed in the upper part of the process pipe so that the deposition of liquid pipelines of rapid injection to the process.

4, single flange level transmitter measuring steam or other high temperature medium, the need to connect with the buffer tube (coil) such as condenser, should not make the transmitter operating temperature more than limit.

5, single flange level transmitter to pay attention to the guide of sensor pressure tube to install where small temperature fluctuations.

6, when measuring the liquid pressure, flange level transmitter installation location should avoid the impact of the fluid (water hammer), in order to avoid the sensor damage of overpressure.

7, single flange level transmitter in measuring the liquid pressure, the pressure mouth should be open in the process piping side, in order to avoid precipitation product residue.

8, to prevent fluid of flange transmitter and corrosive or overheating of media contact, prevent the dross in intraductal deposition.

Eleven, selection of coding:

Twelve, design selection and ordering information:

1, the model selection according to specification table according to the need to make sure.

2, selection of specifications in the table Numbers, symbols must be fill in clear, accurate.

3, if you have positive and negative migration, must indicate the migration amount value.

4, differential pressure transmitter to match three valve group, need to be indicated separately.

5, when far eastone transmitter of choose and buy, should also be based on different remote flange selection table according to the need to be sure.

6, if the remote transmitter should be used in vacuum and high temperature occasion, special label when you order.

7, contact medium type O sealing ring material is rubber, fluorine rubber, etc.

8, no special note, the factory when the liquid silicone oil.

Ten, after-sales service commitment:

1, our company sold by liquid level transmitter series 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.