Intelligent electronic double color level meter

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Intelligent electronic double color liquid level gauge is made of high quality stainless steel and i…

Productoverview:

ZW-ZDS series Intelligent electronic double color level meter The liquid level display with high brightness LED double color luminous tube, composed of red and green display level, daytime observation distance of 60m, up to 200m at night. Alternative magnetic level gauge, direct reading type glass level gauge is used in the traditional glass level gauge of high temperature, high pressure, high viscosity can not be overcome, flammable, explosive and corrosive medium and so on. Matching the limit switch can achieve the level of upper and lower limit of alarm and control; selection of liquid level transmitter, the liquid level can be 4 ~ 20mADC analog signal into standard signal, realize remote detection, indication, record and control, and also the direct communication of computer system.

Two, work principle:

ZW-ZDS series <strong> intelligent electronic double color level meter</strong> according to the principle of buoyancy and magnetic coupling principle. When measured in the container level lift, liquid level gauge leading tube float will lift, float within the magnet with a transfer to the scene display * box of high precision electronic sensor through magnetic coupling, triggering the corresponding digital circuit, the LED double color LED color conversion, no red liquid, liquid filled all green, red and green at the junction of the actual level is within the container, so as to achieve the level of the scene at a glance; installation instructions, limit switch to achieve level alarm and control, with the transmitter digital signal output for display and control.

Three, application:

ZW-ZDS series <strong> intelligent electronic double color liquid level gauge</strong> is widely used in iron and steel, petroleum, chemical, oil, medicine, food, wine and other industries in the liquid storage tank, storage tank, liquid storage tank, reaction tank, fermentation tank, liquid oil, liquid ammonia, liquid alkali, strong acid, weak acid, boiler deaerator, dredging well, water tank, swirl shaft, hydraulic power, desulfurization tank, cooling tower, furnace, sterilization pot, cooked, add, or back to the water tank heater, condenser, evaporator and other pressure vessels with 304, 304, 316L, PVC, PTFE with PP compatible liquid medium level measurement and display. There are many forms of installation for your choice. In order to adapt to different situations and environmental requirements.

Four, main features:

1, the design is simple and compact; reliable; long service life; no workload; to long-term in the indoor installation;

2, the unique site; remote integrated structure, the industrial automation management becomes more easy and convenient;

3, the unique electronic luminous double color display, suitable for application in a dark place, night observation is more eye-catching;

4, the unique imported fog astigmatism LED LED display effect, strong penetrability, clear bright, clear industrial camera remote monitoring;

5, measurement display part, and the liquid level transmitter, the alarm switch in voltage, resistance completely isolated;

6, working pressure range, pressure from vacuum to 42MPa; corrosion resistance <2.5MPa;

7, wide working temperature range, suitable for -160~+530 from c;

8, widely used in strong corrosive, flammable, toxic, strong radiation, agitation, dirty liquid level measurement;

9, you can choose various types of magnetic limit switch, realize the liquid level automatic control or alarm;

10, you can choose various types of 4~20mADC liquid level transmitter, realize remote centralized measurement and control.

Five, technical parameters:

1, installation: vertical (Zui large deviation is less than 30);

2, measurement range: 0-150-6000mm (more than 6000mm orders can be negotiated);

3, medium density: 0.4-2.0g/cm<;

4, working temperature: -50--400 degrees;

5, follow the speed: less than 0.08m/s;

6, float material: 304, PTFE/304 village in PTFE, aluminum and titanium;

7, LED display: low light, bright, light fog types are optional;

8, the leading tube: 304; 1Cr18Ni9Ti; 316L; 304 liner PTFE; titanium; PP; PTFE (PTFE)

9, flange: DN15 ~ DN50 (HG20592-97 flange standard), high pressure type side mounted gauge connection flange standard by HG20595-97 hot welding;

10, flange material: carbon steel, 304, 316L

11, the power supply voltage: DC24V, AC36V, AC220V;

12, the accuracy is not less than 10mm;

13, working pressure: -0.1 ~ 10 MPa;

14, the environmental vibration frequency is less than or equal to 25Hz amplitude less than 0.5mm;

15, medium viscosity: less than 0.4Pa.S;

16, valve: stainless steel ball valve, needle valve

17, the leading tube diameter: 48, 57, "Phi Phi Phi 62mm.

Six, additional function selection:

Limit switch:

1, open type: higher than the alarm point closed;

2, higher than the normally closed type: alarm disconnect;

3, switch capacity: 250VAC1A (resistive) 250VAC 0.3A;

4, switch life: 1 * 105;

5, a liquid level transmitter: output current: 4 ~ 20Madc (wire);

6, resolution: 1cm;

7, load resistance: 500 ohm (24VDC power supply);

8, transmission distance: 3000m;

9, power supply: 12 ~ 36VDC;

Remote transmitter:

1, output type: 4 ~ 20mADC;

2, resolution: 0.1%F.S;

3, load resistance: 0 ~ 36VDC;

Seven, the installation position:

Display site installation position can be arbitrarily changed:

1, on the left side of the installation;

2, left 600 installation;

3, standard installation;

4, on the right side of the 600 installation;

5, installed on the right side.

Eighth, installation and use:

1, the hydraulic pressure gauge and container flange flange clip gasket connection, tighten the bolts.

2, sewage, into the open flange sensor float. Note: end to float magnet, can not be inverted.

In 3, the sensor discharge flanges under the installation of a DN15 valve, and the liquid level meter of sewage pipe.

4, communication power, input AC36V power (or diameter is inserted into the AC220V power supply), the liquid level meter to facilitate observation range.

5, first open the valve, and then slowly open the valve, especially in high pressure situations of the liquid level gauge, pressure slowly into the contest, to prevent damage to the medium pressure float suddenly, slowly into the sensor, liquid level observation shows that the conversion from red to green one by one.

6, sewage, water, observe the water level display, high and low water level alarm is normal, if there is no abnormal phenomenon, can be put into use.

Nine, system components and wiring:

1, limit switch output:

A self holding function and reed switch converter, reed switches and converters were installed in the field and control room, by the converter to provide three pairs of contact switch.

2, the electric remote:

A measuring unit and a transmission unit is composed of two parts.

3, explosion-proof:

A with explosion-proof, upper and lower limit switch output:

Safety explosion-proof switch gate switch and relay contacts of the reed which can be directly provided to users of a normally closed or open contact. If the user needs to contact more special design orders. (Figure three)

With the explosion of the remote type security b:

Suitable for use in class II (Electrical Equipment Factory), C gas, the surface temperature of group T4 (135 C).

Note the use of c:

The shell is provided with external transmitter, users must be reliable grounding.

The use of the safety gate shall comply with the instructions for use of content.

The connecting cable transmitter and safety gate end for intrinsically safe core shielded cable, wire cross-sectional area of more than 0.5m, cable capacitance of 0.8 F distribution.

10, encoding selection:

Eleven, design selection and ordering information:

1, specifications; ZW-ZDS series double color liquid level gauge;

2, the measured medium Name: medium density;

3, the instrument measuring range: also known as nominal length;

4, working pressure: pressure;

Working temperature: 5, the lowest and the highest temperature measurement of liquid;

6, material requirements: wetted materials;

7, supporting the supply of flanges, bolts and nuts, valve, sealing washers and other accessories;

8, standard: flange flange nominal diameter of the flange, using DN20 or DN25;

9, special requirements: please indicate in detail before ordering, such as whether or not to take remote etc..

Customer service service commitment:

1, our level meter series products 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.