The LDG series intelligent electromagnetic flowmeter is a specialized measuring instrument used in the municipal water supply industry for measuring the source water and the output water of water plants. This product strictly follows the production standard JB/T 9248-2015 "Electromagnetic Flow Meter". It has the characteristics of high precision, flexible power supply mode, and can be installed in various harsh environments such as underground wells. As a professional meter for source water measurement, this product has no internal flow blocking components, which can effectively reduce the energy consumption of water plants. There are no movable components inside, and it is maintenance free. Solid impurities in water will not affect the measurement accuracy in any way, making it a high-performance water measurement product.
Product Overview:
LDG seriesIntelligent electromagnetic flowmeterIt is a specialized meter for measuring the source water and output water of municipal water supply industry water plants. This product strictly follows the production standard JB/T 9248-2015 "Electromagnetic Flow Meter". It has the characteristics of high precision, flexible power supply mode, and can be installed in various harsh environments such as underground wells. As a professional meter for source water measurement, this product has no internal flow blocking components, which can effectively reduce the energy consumption of water plants. There are no movable components inside, and it is maintenance free. Solid impurities in water will not affect the measurement accuracy in any way, making it a high-performance water measurement product.
Scope of application:
LDG seriesIntelligent electromagnetic flowmeterWidely used in industrial sectors such as petroleum, chemical, metallurgical, textile, papermaking, environmental protection, food, as well as municipal management, water conservancy construction, river dredging and other fields for flow measurement
Product advantages:
Good accuracy for small flow rates, with a lower limit of up to 0.1m/s
Nominal diameter: DN4-DN3000
Fast response time of 100ms
Protection level IP65, specially customized up to IP68
Product Features:
The measurement error is better than ± 0.5%, ensuring accurate data collection for water plant production.
The lower limit for accurately measuring flow velocity is less than 0.3m/s, ensuring accurate measurement during low water supply periods.
The power supply method is flexible and autonomous, and can be used in 220V or 24V according to on-site needs.
■ Optional submersible type, IP68 protection, can work for a long time in immersion environment.
Free installation of straight pipe sections can reduce underground space and lower costs for installation and construction.
Equipped with bidirectional metering function, it can accurately measure pipeline reflux.
After strict electromagnetic compatibility testing, it can be installed in various harsh industrial and commercial environments.
Ultra low network loss, saving energy and reducing consumption for water plants.
Provide multiple signal output methods for easy data integration with water plants.
Technical Specifications:
execution standard |
Electromagnetic flowmeter (JB/T 9248-2015) |
Nominal meridian (mm) (Special specifications can be customized) |
Pipeline type PTFE lining: DN15-DN2000 |
Pipeline rubber lining: DN65-DN2000 |
Pipeline F46 lining: DN4-DN600 |
flow measurement |
Forward traffic, reverse traffic |
repeatability error |
1/3 of the absolute value of the accuracy level |
accuracy class |
0.5,1.0 |
Temperature of the measured medium |
Conventional rubber lining: -20~+60 ℃ |
PTFE lining: -30 to+120 ℃ |
High temperature PTFE lining: -20 to+160 ℃ |
Rated working pressure (high pressure can be customized) |
DN15~DN25≤4.0MPa |
DN32~DN300≤1.6MPa |
DN350~DN800≤1.0MPa |
DN800~DN2000≤0.6MPa |
flow rate range |
0.1-10m/s |
Conductivity range |
The conductivity of the measured fluid is ≥ 20 μ s/cm |
signal output |
4-20mA、 Pulse; |
Communication output |
RS485、Hart、GPRS |
power supply |
220V AC、 24V DC、 battery |
Require the length of the straight pipe section |
Upstream ≥ 5DN, downstream ≥ 2DN |
connection method |
Flange connection, flange execution standard: GB/T 9119-2010 |
Protection level |
IP65, Specially customized up to IP68 |
ambient temperature |
-10~+60℃ |
relative humidity |
5%~95% |
Total power consumption |
Less than 20W |
flow range |
0.3 |
0.4 |
0.5 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
10 |
0.84 |
0.11 |
0.14 |
0.2 |
0.57 |
0.85 |
1.1 |
1.4 |
1.7 |
1.9 |
2.2 |
2.5 |
2.8 |
15 |
0.2 |
0.3 |
0.4 |
0.6 |
1.3 |
1.9 |
2.5 |
3.2 |
3.8 |
4.5 |
5.1 |
5.7 |
6 |
20 |
0.4 |
0.5 |
0.6 |
1.1 |
2.3 |
3.4 |
4.5 |
5.7 |
6.8 |
7.9 |
9 |
10 |
15 |
25 |
0.6 |
0.7 |
0.9 |
1.8 |
3.5 |
5.3 |
7.1 |
8.8 |
11 |
12 |
14 |
16 |
20 |
32 |
0.9 |
1.2 |
1.4 |
2.9 |
5.8 |
8.7 |
12 |
14 |
17 |
20 |
23 |
26 |
30 |
40 |
1.4 |
1.8 |
2.3 |
4.5 |
9 |
14 |
18 |
23 |
27 |
32 |
36 |
41 |
45 |
50 |
2.2 |
2.8 |
3.5 |
7.1 |
14 |
21 |
28 |
35 |
42 |
49 |
57 |
64 |
70 |
65 |
3.6 |
4.8 |
6 |
12 |
24 |
36 |
48 |
60 |
72 |
84 |
96 |
100 |
110 |
80 |
5.4 |
7.2 |
9 |
18 |
36 |
54 |
72 |
90 |
100 |
120 |
140 |
160 |
180 |
100 |
8.4 |
11 |
14 |
28 |
57 |
85 |
110 |
140 |
170 |
190 |
220 |
250 |
280 |
125 |
14 |
17 |
22 |
44 |
80 |
130 |
170 |
220 |
260 |
300 |
350 |
390 |
440 |
150 |
20 |
25 |
32 |
64 |
120 |
190 |
250 |
310 |
380 |
440 |
500 |
570 |
630 |
200 |
34 |
45 |
57 |
110 |
220 |
340 |
450 |
560 |
670 |
790 |
900 |
1000 |
1100 |
250 |
54 |
71 |
88 |
180 |
350 |
530 |
700 |
880 |
1000 |
1200 |
1400 |
1500 |
1700 |
300 |
77 |
100 |
130 |
250 |
500 |
760 |
1000 |
1200 |
1500 |
1700 |
2000 |
2200 |
2500 |
350 |
110 |
140 |
180 |
350 |
690 |
1000 |
1300 |
1700 |
2000 |
2400 |
2700 |
3100 |
3400 |
400 |
140 |
180 |
230 |
450 |
900 |
1300 |
1800 |
2200 |
2700 |
3100 |
3600 |
4000 |
4500 |
450 |
180 |
230 |
290 |
570 |
1100 |
1700 |
2300 |
2800 |
3400 |
4000 |
4500 |
5100 |
5700 |
500 |
220 |
280 |
360 |
710 |
1400 |
2100 |
2800 |
3500 |
4200 |
4900 |
5600 |
6300 |
7000 |
600 |
310 |
410 |
510 |
1000 |
2000 |
3000 |
4000 |
5100 |
6100 |
7100 |
8100 |
9100 |
10000 |
700 |
420 |
550 |
700 |
1400 |
2700 |
4100 |
5500 |
7000 |
8300 |
9600 |
11000 |
12000 |
13000 |
800 |
550 |
720 |
910 |
1800 |
3100 |
5400 |
7200 |
9000 |
10000 |
12000 |
14000 |
16000 |
18000 |
900 |
690 |
920 |
1200 |
2300 |
4500 |
6800 |
9100 |
11000 |
13000 |
16000 |
18000 |
20000 |
22000 |
1000 |
850 |
1100 |
1500 |
2800 |
5600 |
8500 |
11000 |
14000 |
16000 |
19000 |
22000 |
25000 |
28000 |
1200 |
1300 |
1600 |
2100 |
4100 |
8100 |
12000 |
16000 |
20000 |
24000 |
28000 |
32000 |
30000 |
40000 |
1400 |
1700 |
2200 |
2800 |
5500 |
11000 |
16000 |
22000 |
27000 |
33000 |
38000 |
44000 |
50000 |
55000 |
1600 |
2200 |
2900 |
3700 |
7200 |
14000 |
21000 |
29000 |
36000 |
43000 |
50000 |
57000 |
65000 |
72000 |
1800 |
2800 |
3700 |
4600 |
9200 |
18000 |
27000 |
36000 |
45000 |
54000 |
64000 |
73000 |
82000 |
91000 |
2000 |
3400 |
4500 |
5700 |
11000 |
22000 |
34000 |
45000 |
56000 |
67000 |
79000 |
90000 |
100000 |
110000 |