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Tap water flowmeter _ Secondary water supply flowmeter
Product Overview: SP-LDE series tap water flowmeter. The measurement principle of the secondary water supply flowmeter is Faraday's law of electromagn
Product details
Product Overview：
SP-LDE series tap water flowmeterThe measurement principle is Faraday's law of electromagnetic induction, and the main components of the sensor are: measuring tube, electrode, excitation coil, iron core, and magnetic yoke housing. This product is widely used in industries such as petroleum, chemical, metallurgical, textile, food, pharmaceutical, papermaking, as well as in fields such as environmental protection, municipal management, and water conservancy construction.
Tap water flowmeter _ Secondary water supply flowmeterProduct Features：
1. Measurement is not affected by changes in fluid density, viscosity, temperature, pressure, and conductivity;
2. There are no obstructing flow components or pressure loss inside the measuring tube, and the requirements for straight pipe sections are relatively low;
3. Series nominal diameter DN15~DN3000. There are multiple options for sensor lining and electrode materials;
4. The converter adopts a novel excitation method, with low power consumption, stable zero point, and high accuracy. The flow range can reach 1500:1;
5The converter can be integrated or separated from the sensor；
6. The converter adopts a 16 bit high-performance microprocessor, 2x16 LCD display, convenient parameter setting, and reliable programming;
7. For a bidirectional measurement system, it is equipped with three integrators: forward total, reverse total, and difference total; Can display positive and negative flow rates, and has multiple outputs: electric
Flow, pulse, digital communication HART；
8. The converter adopts surface mount technology (SMT) and has self checking and self diagnostic functions;
How to choose the appropriate instrument classification on site
integrated(Suitable for situations where viewing recorded data is convenient or where remote data transmission to industrial computers does not require frequent viewing)
split-type(Suitable for situations where viewing recorded data is inconvenient and the environment has a significant impact on the converter)
corrosion-resistant type(Mainly used in chemical and highly corrosive environments. Can be formed by converting two types of product materials)
plug-in(Mainly suitable for large-diameter pipelines, which can facilitate transportation and save procurement costs)
battery-powered(Mainly suitable for situations where power connection is inconvenient or remote signal transmission is not required, the battery can be used continuously for more than 3 years)
Tap water flowmeter _ Secondary water supply flowmeterProduct selection:
| model | caliber | |||||
| SP-LDE | 15~2600 | |||||
| code name | electrode material | |||||
| K1 | 316L | |||||
| K2 | HB | |||||
| K3 | HC | |||||
| K4 | Titanium | |||||
| K5 | Tantalum | |||||
| K6 | platinum alloy | |||||
| K7 | Stainless steel coated with tungsten carbide | |||||
| code name | Lining material | |||||
| C1 | Polytetrafluoroethylene (F4) | |||||
| C2 | Perfluoroethylene propylene (F46) | |||||
| C3 | Polyfluoroethylene (FS) | |||||
| C4 | Polyvinyl rubber | |||||
| C5 | polyurethane rubber | |||||
| code name | function | |||||
| E1 | Level 0.3 | |||||
| E2 | Level 0.5 | |||||
| E3 | Level 1 | |||||
| F1 | 4－20Madc, Load ≤ 750 Ω | |||||
| F2 | 0-3kHz, 5V active, variable pulse width, output high-end effective frequency | |||||
| F3 | RS485 interface | |||||
| T1 | Normal temperature type | |||||
| T2 | high-temperature type | |||||
| T3 | Ultra high temperature type | |||||
| P1 | 1．0MPa | |||||
| P2 | 1．6MPa | |||||
| P3 | 4．0MPa | |||||
| P4 | 16MPa | |||||
| D1 | 220VAC±10％ | |||||
| D2 | 24VDC±10％ | |||||
| J1 | Integrated structure | |||||
| J2 | Split type structure | |||||
| J3 | Explosion proof integrated structure | |||||
Tap water flowmeter _ Secondary water supply flowmeterSelection of lining:
|
Lining material |
Main performance |
Scope of Application |
|
neoprene Neoprene |
Good wear resistance, excellent elasticity, high tensile strength, and resistance to corrosion from low concentration acid-base salt media, but not resistant to corrosion from oxidizing media. |
<80 ° C, general water, sewage, mud, slurry |
|
polyurethane Polyurethane |
Has excellent wear resistance, but slightly inferior acid and alkali resistance. |
<60 ° C, neutral and strongly worn mineral slurry, coal slurry, and mud. |
|
Polytetrafluoroethylene PTFE |
The most stable material in terms of chemical properties, capable of withstanding boiling hydrochloric acid, sulfuric acid, nitric acid, aqua regia, concentrated alkali, and various organic solvents. |
<180 ° C, strong corrosive media such as concentrated acid and alkali, sanitary media. |
|
F46 |
Chemical stability, electrical insulation, lubricity, non adhesiveness, and non flammability are similar to PTFE, but F46 material has better strength, aging resistance, temperature resistance, and low-temperature flexibility than PTFE. Good adhesion to metal, better wear resistance than PTFE, with good performance |
<180 ° C, hydrochloric acid, sulfuric acid, aqua regia, and strong oxidants, sanitary media |
Application field：
Suitable for precise and stable measurement of instantaneous flow rate, cumulative flow rate, and flow velocity of conductive liquids and slurries in closed pipelines, such as clean water, sewage, domestic water, and raw water. Solutions of various acids, bases, salts, etc., such as sulfuric acid, hydrochloric acid, nitric acid, etc. Mud, silt, slurry, pulp, lime slurry. Liquids related to food are widely used in industries such as metallurgy, papermaking, water treatment, chemical, light industry, textiles, food and beverage, catering, agricultural irrigation, hydropower stations, oil fields, electricity, and mining.
Tap water flowmeter _ Secondary water supply flowmeterSelection of electrode materials:
|
material |
corrosion resistance |
|
316L |
For nitric acid, sulfuric acid at room temperature<5%, boiling phosphoric acid, alkaline solution; Under certain pressure, media such as sulfurous acid, seawater, and acetic acid have strong corrosion resistance. |
|
Hastelloy HB |
Resistant to all concentrations of non oxidizing acids, bases, and non chlorinated hydrochloric acids such as hydrochloric acid, sulfuric acid, hydrofluoric acid, and organic acids at boiling point. |
|
Hastelloy HC |
Resistant to oxidizing acids such as nitric acid, mixed acids, or mixtures of chromic acid and sulfuric acid, as well as oxidizing salts and seawater |
|
Titanium |
It can withstand corrosion from organic acids, alkalis, etc., but is not resistant to corrosion from relatively pure reducing acids (sulfuric acid, hydrochloric acid). However, if the acid contains oxidants (such as nitric acid and media containing Fe and Cu ions), corrosion is greatly reduced. |
|
Tantalum |
It has excellent corrosion resistance similar to glass, except for hydrofluoric acid and concentrated sulfuric acid, and can withstand corrosion from almost all chemical media (including boiling point hydrochloric acid, nitric acid, and sulfuric acid below 175 ° C). It is not resistant to corrosion in alkali. |
Selection of caliber and flow rate:
|
Nominal diameter (mm) |
Measurable flow range (m3/h) |
Effective measurement flow range (m3/h) |
Nominal diameter (mm) |
Measurable flow range (m3/h) |
Effective measurement flow range (m3/h) |
|
10 |
0.0142～3.3912 |
0.0848～2.826 |
300 |
12.717～3052 |
76.302～2543 |
|
15 |
0.0318～7.6302 |
0.1908～6.3585 |
350 |
17.31～4154 |
103.86～3461 |
|
20 |
0.0566～13.5648 |
0.3392～11.304 |
400 |
22.61～5425 |
135.65～4521 |
|
25 |
0.0883～21.195 |
0.5298～17.6625 |
450 |
28.62～6867 |
171.68～5722 |
|
32 |
0.1447～34.7258 |
0.8682～29.9382 |
500 |
35.33～8478 |
211.95～7065 |
|
40 |
0.2261～54.2592 |
1.3565～45.216 |
600 |
50.87～12208 |
305.2～10173 |
|
50 |
0.3533～84.78 |
2.1195～70.65 |
700 |
69.24～16616 |
415.4～13847 |
|
65 |
0.5970～143.28 |
3.5819～119.39 |
800 |
90.44～21703 |
542.6～18086 |
|
80 |
0.9044～217.03 |
5.4259～180.86 |
900 |
114.46～27468 |
686.7～22890 |
|
100 |
1.413 ～339.12 |
8.478～282.6 |
1000 |
141.3～33912 |
847.8～28260 |
|
125 |
2.2079～529.87 |
13.2468～441.56 |
1200 |
203.5～48833 |
1221~40694 |
|
150 |
3.1793～763 |
19.0755～635.85 |
1400 |
277~66467 |
1662~55389 |
|
200 |
5.652～1356 |
33.912～1130.4 |
1600 |
361.8～86814 |
2171~72345 |
|
250 |
8.8313～2119 |
52.9875～1766 |
1800 |
457.9～109874 |
2747~91562 |
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