The remote type metal tube rotameter

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ZW-LZ series The remote type metal tube rotameter Can be used for complex flow measurement and proce…

Productoverview:

ZW-LZ series The remote type metal tube rotameter Can be used for complex flow measurement and process control environment and various medium conditions, suitable for the measurement of liquid and gas. According to the instructions, the applicable situation and the signal output form classification: pointer type, electric remote type, corrosion type, pressure type, jacket type, explosion-proof type. Support for liquid crystal display, the scene shows the cumulative, instantaneous flow, digital communication, site measurement parameters, the electric remote can output 0 ~ 10mA, 4 ~ 20mA standard analog signal, especially suitable for small diameter and low flow velocity medium measurement.

Two, work principle:

ZW-LZ series <strong> remote type metal tube rotameter</strong> is the medium to be measured through a conical measuring tube float from upper and lower ends of the differential pressure generated form the upward force, when the float was immersed in a fluid on the lift is greater than the weight of the float, the float will rise, annulus area increases, the annulus fluid velocity decreased immediately float the lower end of the differential pressure is reduced, to float upward force also decreases with, until the lift is equal to the weight of the float when immersed in a fluid, the float will stabilize at a certain height. The float position that corresponds to the size of the measured medium flow. A built-in magnet, the float with the medium moves up and down, with the movement of the float magnetic field changes.

A, for in situ, by rotary magnetic float and the local indicator in the inner magnetic coupling, rotate, and drives the pointer, through the dial indicates the size of the flow.

B, the intelligent, by a solid state magnetic sensor intelligent indicator in the magnetic field will change into electrical signal output by A/D transform, D/A microprocessor, LCD liquid crystal display to show the size and cumulative flow flow.

Three, application:

ZW-LZ series <strong> remote type metal tube rotameter</strong> is suitable for the measurement of liquid, gas.Widely used in petroleum, chemical, power, pharmaceutical, food, water treatment, etc.. The complex, harsh environmental conditions, the flow measurement process and various medium conditions in.

Four, main features:

All metal structure design, solid type float flowmeter 1;

2, the conceptual design of the measuring tube independent indicator;

3, stainless steel, Hastelloy, titanium, PTFE material measurement system;

4, low pressure loss;

5, short stroke, small structure design, the total height of 250 meters;

6, the magnetic coupling structure to ensure data transmission, more stable signal;

7, insulation or heating jacket;

8, the vertical and horizontal installation, more suitable for different occasions;

9, suitable for small diameter and low flow velocity medium measurement;

10, reliable operation, low maintenance, long service life;

11, for the straight pipe section is not high;

12, wide flow ratio 10:1;

13, two large LCD display, optional field instantaneous / total flow rate display, with backlight;

14, single axis sensitive indicator;

15, non contact magnetic coupling transmission;

16, all metal structure, suitable for high temperature, high pressure and strong corrosive medium;

17, can be used in flammable and explosive occasions;

18, AC power supply, battery, two-wire 19, multi parameter calibration function;

20, with data recovery, data backup and power-off protection function.

Fifth, technical parameters:

Measuring range: water (2.5 ~ 6000) L/h; air (0.07 ~ 2000) m3/h (0.101025 MPa, 20 C).

The accuracy level: 1.5, 2.5.

Range: 10:1.

Working pressure: DN15 ~ 50, 4 ~ 100 MPa; DN80, 1.6MPa.

Medium temperature: - 80 to 200 DEG C (lined with F46 flowmeter 0 to 85 DEG C).

Liquid medium viscosity: DN15 < 5mPa s; DN25 < 5mPa s ~ 100.

Connection: flange connection, threaded connection, flange with GB/T9119.8 - 10 standard.

Total length: DN15 ~ 100 250mm.

The measuring tube material: General 1Cr18Ni9Ti, corrosion type Cr18Ni12Mo2Ti, 316L, F46 and other 316 lining. If users have special requirements can be a special order.

Output signal: the two-wire (4~20) mA, three wire (0~10) mA.

Linearity: 1%;

Power supply: 24 DC (1 +) V.

Power consumption: 25 mW.

Ambient temperature: - 25 to 55 DEG C.

The influence of temperature: 0.5%/10 degrees.

Load resistance: DC (0 - 10) mA (0 ~ 1) K; (4 ~ 20) mA (0 ~ 600).

Cable wiring: RVVP 3 * 28/0.15.

Explosion proof grade: Exib II 2CT5 (No. GYB03582U).

With safety gate type: LB906.

The electric remote transmitter: K5WI-I or ESK-I (wire).

Sixth, conversion indicator:

The converter is actually the height conversion taper pipe float into the corresponding volume scale. From the output signal: local display and remote signal output type:

1, local display type: by in situ indicator in the follow-up magnetic float and the inner magnetic coupling, and rotate, and the electric pointer by dial indicating the flow

2, intelligent remote type, by the intelligent indicator in the follow-up magnetic float and the inner magnetic coupling, rotate, and drives the magnet and the sensing pointer through a magnetic sensor magnetic field change into electrical signals by A/D conversion, digital filter, D/ microprocessor, A output, LCD liquid crystal display, to show the instantaneous flow and cumulative flow rate.

Troubleshooting seven fault:

1, check the alarm set value size SU.

2, check the deviation set D value can not be too large.

3, FUN function, logic function is correct. HA-A said the upper limit is logical. LA-A said the lower limit is.

4, circuit board failure, replace the board.

5, if the lcd barcode indicates the correct output, no action, the cathode can check the external power and external power supply is connected with the anode of instrument power supply.

If the metal tube rotameter jitter in use, according to the jitter amplitude to determine what kind of amplitude jitter.Divided into mild and moderate jitter jitter jitter and jitter.

1, a slight jitter due to fluctuations caused by the media. Can be used to increase the damping of the way to overcome.

2, moderate jitter caused by medium flow state: general. For general gas as the medium pressure instability caused by.The regulator or stabilizer to overcome or increase the damping of gas meter.

3, severe jitter: mainly due to medium gas pulsation, operation pressure instability or give users pressure, temperature, flow meter and the actual state does not have large differences over range instrument.

Note eight, the installation of the:

In 1, before the first installation flowmeter in the pipeline, dirt, impurities such as welding blowing clean, if the liquid contained solid impurities, should the corresponding filter is installed between the valve and the straight pipe.

2, shielding and grounding system: in order to ensure ideal electromagnetic compatibility, shielding and grounding is very important, especially the bus cable, cable as far as possible to make continuous shielding.

3, the safety zone, according to the requirements of conventional cable grounding as much as possible.

4, in dangerous places, to ensure that the whole range of bus safe places and dangerous enough, all the potential, in this case, multiple ground is very superior.

Nine, the measuring range and the pressure loss:

10, encoding selection:

Eleven, design selection and ordering information:

1, please provide the pipe size, wall thickness, material requirements and accuracy requirements;

2, please provide a liquid or gas, such as the name, commonly used commonly used temperature, working pressure, common flow, density, viscosity etc.;

3, choose anti-corrosion type, should indicate the measured corrosion and concentration etc.;

4, if there are special to show, please contact our sales department.

Customer service service commitment:

1, our series of metal tube flowmeter series product quality problems within twelve months, responsible for free maintenance.

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

3, the warranty period if the user use undeserved, cause damage to the product, our company is responsible for the maintenance, collect the damaged parts cost.

4, after the warranty period of product quality problems, our company is responsible for the maintenance, collect the damaged parts cost.

5, if the user needs to our service, our company in the province of the user service personnel arrived at the scene within 12 hours, arrived at the scene 48 hours outside users.