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Jiangsu Huayun Instrument Co., Ltd

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1702662999@qq.com
Phone
18915186518
Address
No. 99 Tongtai Avenue, Industrial Concentration Zone, Jinhu County, Jiangsu Province

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Sewage level gauge

NegotiableUpdate on 03/21

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

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Overview

Overview of Sewage Tank Level Gauge Products

Product Details

Overview of Sewage Tank Level Gauge Products

The sewage tank level gauge is based on the traditional RF capacitor level and adds a more powerful circuit design. This design adds digital processing technology to the analog signal, which eliminates radio frequency interference.

The sewage tank level gauge overcomes the problems of leakage and disconnection that traditional mechanical level gauges are prone to, and also overcomes some non-contact clutter interference. Specially suitable for measurement in environments with high temperature, strong corrosion, strong adhesion, high pressure, and vacuum.
The UHZ series sewage level gauge is mainly used in various storage tanks, separation tanks, reaction tanks, fermentation tanks, oil products, liquefied gas, strong acid and alkali liquids, weak acid and alkali liquids, power plant boiler steam drums, deaerators, drainage tanks, return tanks, high and low pressure heaters, condensers, evaporators and other pressure vessels in the petroleum, chemical, refining, pharmaceutical, food, wine, beverage and other industries, as well as 1Cr18Ni9Ti, 316L. Liquid level measurement and display of 1Cr18Ni9Ti+PTFE (lined with polytetrafluoroethylene) and PVC plastic compatible media, multi-point liquid level switch output, and electric remote transmission (4-20mA, 0-10mA DC) output. The installation forms include standard type, top mounted type, float level gauge, insulation type, frost proof type, etc. for you to choose from. The working principle and basic structure of UHZ series sewage level gauge are based on buoyancy and magnetic principles. It uses the magnetic float inside the measuring cylinder to rise or fall with the measured liquid level, and through the attraction of the magnetic field, the dual color flip column on the external display of the measuring cylinder flips to achieve the purpose of displaying the position of the measured liquid level. The sewage level gauge uses red to indicate the liquid part, white to indicate the no liquid or vapor part, or white to indicate the liquid part and red to indicate the no liquid or vapor part.
污水液位计|磁翻板液污水液位计厂家|价格选型

Manufacturer's price:

price	¥ 400.00~49800.00 yuan
Starting from batch	≥1 tower

Specification parameters:

Customized processing	deny	brand	Vauen	model	LMK 458H
type	Input type liquid level transmitter	measuring range	0-200mH20	measurement accuracy	0.1%FSO
material	stainless steel	power supply	0-20mA	output signal	20（mA）
Measurement medium	Sewage sludge	Is it a cross-border source of goods	deny	resolution	0.001

Working principle of sewage tank level gauge:

An extension bypass pipe is installed on the outside of the bucket, and a liquid level indicator is installed outside the bypass pipe. A floating ball with a magnet is placed inside the bypass pipe. As the magnetic color plate contains a magnet with opposite magnetic properties to the floating ball, it will attract the magnetic color plate to flip when it rises. The color of the magnetic color plate will change from white to red (or silver to gold) to indicate the actual liquid level height.
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Structure and principle of sewage level gauge

1. Basic type:

According to the principle of buoyancy, the float moves up and down in the measuring tube with the rise and fall of the liquid level. The magnetic steel inside the float drives the red and white flip columns to flip 180 ° through coupling. When the liquid level rises, the flip column changes from white to red, and when it falls, it changes from red to white, thus achieving liquid level indication.

2. Electric remote transmission:

Install a transmitter on the float level gauge, move the float up and down, and use magnetic coupling to sequentially move the measuring elements inside the guide rod to obtain resistance signal changes, convert them into standard signal outputs of 0-10mA or 4-20mA, and connect them with display instruments or computers to achieve remote transmission.

3. Upper and lower limit switch output:

A controller is installed on the liquid level gauge riser at the upper and lower limit positions set by the user. The controller is equipped with a self holding reed switch, which uses a magnetic float to move with the liquid level to trigger an alarm or limit control when the reed switch is activated.

System composition and wiring

1. Upper and lower limit switch output:

Composed of a self retaining reed switch and converter, the reed switch and converter are installed on site and in the control room respectively, with three pairs of contact switches provided by the converter.

2. Electric remote transmission:

It consists of two parts: the measuring unit and the transmitting unit.

3. Intrinsic safety explosion-proof:

A with intrinsic safety explosion-proof, upper and lower limit switch output type

The explosion-proof switch consists of a reed switch and a safety barrier with relay contacts, which can directly provide users with a pair of normally open or normally closed contacts. If users require more touchpoints, they can place special design orders.

B-belt security explosive remote transmission type

Suitable for use in π - class electrical equipment (factory use), C-class gas, * * * high surface temperature group T4 (135 ℃).

C Precautions for use

① The transmitter housing is equipped with an external grounding, which must be reliably grounded when used by the user.

② The use of safety barriers should comply with the relevant instructions.

③ The connecting cable between the transmitter and the intrinsic safety end of the safety barrier is a two core shielded cable with a core wire cross-sectional area greater than 0.5m, and the cable allows a distributed capacitance of 0.8 μ F

Characteristics and applicable locations of sewage tank level gauge:

1. Suitable for high temperature, high pressure, strong acid, strong alkali and explosion-proof requirements, with a simple structure, reliable and durable, and can be equipped with various optional accessories to make control easier.

2. Install a liquid level transmitter and magnetic switch, which can be installed or adjusted at any time without stopping the machine.

3. If the power supply is interrupted, the on-site magnetic switch is not affected and has high accuracy.

4. Add a color swatch of a different color every 10 centimeters to make the liquid level easy to identify.

5. Used for dyeing and finishing equipment, wastewater treatment, power plants, chemical equipment, hot kerosene boilers, and petrochemical industry, etc

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Top Ten Technical Advantages of Sewage Tank Level Gauge

1) Strong adaptability: It can work reliably in environments with high temperature, strong corrosion, and heavy dust.

Medium temperature -200~+230 ℃ (customized beyond this range)

2) Unique header three button design, easy to operate.

By using CPU processing technology, the different principles of RF capacitance, RF admittance, and RF inductance can be applied to various complex media and harsh working conditions.

3) No maintenance required: The sensor is sturdy and durable, with no moving parts, so there is no need for maintenance once it is put into operation.

4) Widely used: high temperature, ultra-low temperature, high pressure, vacuum, liquid, solid, powder, particle

5) Complete open functionality: It can be seamlessly connected to various recorders, PLCs, DCS, and other control systems.

6) Any zero point: The zero point can be specified arbitrarily within the length range of the sensor, indicating where to point and where to mark.

7) Strong mode menu: Up to 20 calibration segments can be performed to achieve higher accuracy (intelligent accuracy up to 0.25%).

8) The structure can be customized and the installation is flexible: according to the on-site working conditions, users can customize various installation structures:

Single pole, parallel double pole, concentric shaft, light cable, heavy cable.

9) Output: 4-20mA RS485、 Dry contact point, pointer head, digital display head

10) Compared to traditional capacitive level meters, the VIVO2020 series RF level meter adds a more powerful circuit design to the traditional RF level meter, which can accurately measure small changes in level and fundamentally eliminate the RF interference components superimposed in the DC 4-20mA output of the traditional RF level meter, ensuring ultra stability of measurement and output signals. Due to the use of radio frequency technology and microcomputer technology, the problems of large temperature drift, difficult calibration, and fear of adhesion in traditional point type level gauges have been solved, overcoming the problems of leakage, disconnection, and other issues that traditional mechanical level gauges are prone to. It can be widely used for various liquid and solid level alarms (switch type does not require a secondary meter, the body can have two alarm points) and joint control. Especially in environments with high temperature, strong corrosion, strong viscosity, and heavy dust, it is incomparable to other types of level gauges.

Technical parameters of sewage tank level gauge


Supply Voltage	24VDC,100mA
Output	4-20mA (analog, intelligent)
communication interface	RS485
Accuracy	± 0.5% FS (analog) ± 0.25% FS (intelligent)
Sensitivity	≤ 0.1PF
Range	5～50000PF
response time	5ms (simulation) 1ms (intelligent)
***Large load	650 Ω (analog) 450 Ω (intelligent)
Overload pressure	65kg/ cm2@38 ℃，34.5kg/ cm2@232 ℃
medium temperature	-40 ℃ to 232 ℃ (declaration required for temperatures greater than 150 ℃) (analog, intelligent); -200~+232 ℃ (customized if exceeding this range) (switch)
ambient temperature	-20 ℃~75 ℃ (customized for temperatures above 75 ℃) (analog, intelligent);
protection grade	IP65
Explosion proof grade	D Ⅱ BT6 (supply by agreement)
sensor length	Pole type * * * length 3.66m, cable type * * * length 120m
Sensor material	316 stainless steel; Ceramics; Teflon
Display header	0-100% (analog) 4-digit LCD (intelligent)
Installation method	M33 X 2 thread or flange

Basic difference of sewage tank level gauge:

Measurement range LD: 200-15000mm

L1： It is related to the specific gravity of the medium and the material of the float, as shown in the table below

Medium specific gravity	L1（mm）
Medium specific gravity	Rust proof aluminum float (LF2) Float wrapped in LF2 fluoroplastic	Stainless steel float （1Cr18ni9Ti）
0.45	463
0.55	286
0.65	210
0.75	166
0.85	140	340
0.95	120	260
≤1.0	113	220

D：￠ 52~￠ 83: ￠ 115~￠ 200 (depending on pressure)

Measurement accuracy: ± 10mm Medium temperature: ≤ 80 ℃, can also be made to ≤ 480 ℃

Medium specific gravity: ≥ 0.4 Medium viscosity: ≤ 0.02Pa·S

Connecting flange:

DN20	PN（MPa）
DN20	0.6～2.5	4.0～16.0
Standard number	HG20593-97	HG20595-97

Dg15	Pg（Kgf/cm2）
Dg15	220	320
Standard number	H12-0-2	H12-0-3

Note: HG20595-97 Our factory's sewage tank level gauge uses FM surface. The installation of the level gauge is affected by the environment. If the spatial position L1 is less than 300, it should be clearly stated when placing an order.

The RZ-UDZ-3 remote transmission magnetic float level gauge/B explosion-proof type is composed of five parts: main body, magnetic float, sensor, transmitter, and flap indicator. Its working principle is that the magnetic float inside the main body simultaneously attracts the reed switch at the corresponding position inside the sensor with the rise and fall of the liquid level. Thus, the total resistance (or voltage) inside the sensor changes accordingly, and then the change in resistance (or voltage) is converted into a standard current output of 4-20mA · DC through a transmitter. The XMT series digital liquid level controller specially produced by our factory displays the liquid level and sets upper and lower limit alarms, achieving positional control or adjustment of the liquid level. In addition, it is matched with the XMGA light column digital display regulator produced by our factory, which provides a more intuitive display. Or it can be matched with any other display instrument or regulator that can accept 4-20mA · DC signal input to achieve remote display of liquid level, positional control, intermittent or continuous PID regulation.

Selection Table for Sewage Tank Level Gauge:

model	code	describe
XT-UHZ		Sewage tank level gauge
Type of liquid level gauge	1	Flip board indicator (local display type)
Type of liquid level gauge	3	Remote transmission with flip board
Level gauge model	0	Basic type
	W	Thermal insulation type
	D	plug-in type
	J	anti-corrosive
	S	Frost proof type
	Z	Insulated and corrosion-resistant type
	Y	Insert corrosion-resistant type
alarm control	0	No alarm
	1	With upper limit
	2	With lower limit
	3	Bring upper and lower limits
Float material	P	stainless steel
	L	Rust proof aluminum
	T	titanium
	S	pvc plastic
	F	Fluoroplastic wrapping
Material	P	stainless steel
	L	Rust proof aluminum
	T	titanium
	S	pvc plastic
	F	Fluoroplastic pipe
	PF	PTFE lining
	PP	Lined with propylene
	PE	Lined with ethylene
Connecting flange		See Table 1
medium temperature		See Table 2
Actual usage pressure		See Table 3
Medium specific gravity		Please indicate
Order length		Please indicate
	/B	Explosion proof type

Table 1:

nominal pressure		Mpa								Kgf/ cm2
nominal pressure		0.6	1.0	1.6	2.5	4.0	6.3	10	16	220	320
code	stainless steel	A	B	C	D	E	F	G	H	I	J
code	carbon steel	a	b	C	d	e	f	g	h	i	j
Flange standard		HG20593-97 DN20（RF）				HG20595-97（RF）DN20				H12-0-2	H12-0-3

Table 2

medium temperature	-40～0℃	≤80℃	≤100℃	≤150℃	≤300℃	≤350℃	≤480℃
code	A	B	C	D	E	F	G

Table 3:

Use pressure

(Actual)

Mpa

Kgf/ cm2

0.6

1.0

1.6

2.5

4.0

6.3

220

320

code

Installation and maintenance of sewage tank level gauge

1. The installation of the liquid level gauge must be vertical to ensure that the float component can move freely up and down inside the main pipe.

2. Magnetic conductors are not allowed to approach the main body of the liquid level gauge, otherwise it will directly affect the correct operation of the liquid level gauge.

3. After the installation of the liquid level gauge is completed, it needs to be calibrated with magnetic steel to guide the flip column once, so that the display below the zero position is red and the display above the zero position is white.

4. When the liquid level gauge is put into operation, the valve of the lower drainage pipe should be opened first to allow the liquid medium to enter the main pipe smoothly, avoiding the liquid medium from rushing with the floating ball component

Rapid ascent leads to malfunction and disorderly flipping of the flipping column. If this phenomenon occurs, it can be recalibrated with magnetic steel after the liquid level stabilizes.

Application instructions for sewage level gauge

l、 Install a shut-off valve between the side mounted level gauge and the upper and lower distribution pipes of the tested container to open or close the level gauge; On the other hand, it brings convenience to the maintenance of liquid level gauges. When the upper and lower shut-off valves are closed, the bottom drain flange of the level gauge can be opened or the drain screw can be removed, and the main body of the level gauge can be cleaned by injecting clean water.

2. When installing a level gauge, the perpendicularity of the flange centerline should be ≤ 4 ‰. When the measurement range of the level gauge is greater than 3 meters, it is necessary to consider adding a reinforced flange (or spider) in the middle as a fixed support to increase strength.

3. The isolation line between the remote liquid level transmitter and the secondary instrument should have a core wire cross-sectional area greater than 0.8mm When laying parallel to the AC power supply, a distance of at least 20 centimeters should be maintained. It is recommended to lay it separately through iron pipes or with shielded two core cables. The shielding layer can only be grounded at one end.

4. The liquid level controller is selected, and its contact capacity is designed for resistive loads. If non resistive or high-power loads are used, intermediate relays should be used for conversion.

5. It is not advisable to use this level gauge for situations where there are suspended impurities in the liquid medium and magnetic substances, as these impurities can cause blockage in the float component.

6. The blind spot (L1) in the external structure is related to the density of the medium. Therefore, different media have different blind spots.