1. An overview

 

 Electromagnetic flow meter is designed specifically for the water industry to meet the city's water supply to ensure the accurate calculation, the scene is widely used in places without power supply, such as urban water supply, sewage treatment, water conservancy and other industries.

 Electromagnetic flow meter specially designed sensor excitation system, and high-performance lithium battery-powered systems, and uses 16-bit AMD embedded processor power, with all-digital signal processing, measurement stability, high measurement accuracy, anti - Interference ability, and other features, automatic bi-directional flow measurement, on-site instantaneous flow of positive and negative cumulative total to show that self-diagnosis alarm FAULT Far GSM wireless data functions, the user through the powerful GSM / GPRS remote management software system can flow Far total wireless data storage functions.

 

2. The main technical parameters

 

■ Diameter: DN10-DN1200 DN150- DN3000(Also optional plug-in battery-powered electromagnetic flow meter)

■ Pressure: 0.6~4.0Mpa(Special pressure customizable)

■Precision: ±0.5%,±1.0%

■ measuring range: 0 ~ 12m / s
■ Media Measurement (conductivity):> 20μs/cm
■ medium temperature: -10 ℃ ~ 100 ℃
■ ambient temperature: -10 ℃ ~ 60 ℃
■ humidity environment: ≤ 95% (relative humidity)
■ power supply: 3.6V/DC built-in lithium battery-powered, continuous working hours, more than 5 years

■ electrode materials: 316L stainless steel, HC, HB, titanium, tantalum, platinum / iridium alloy
■ lining materials: poly chloroprene rubber, polyurethane rubber, PTFE, F46, PFA
■ connections: flange type, plug-in, clip -
■ structure in the form of: a body divided body
■ level of protection: IP68
■ display: LCD large-screen liquid crystal display instantaneous flow of positive / reverse the cumulative total and prompt warning
■ output: the output pulse 0.0001-10m / p pulse width can be set to 20ms (passive output optocoupler)
■ means of communication: GSM wireless data transmission (packet in the form of text messages)

 

3. Appearance and size of the installation

 

Appearance and size of the installation (type flange connection) Figure 1, Table 1

 

Figure 1

 

 

 

Table 1

Diameter (mm)	size of the installation(Pressure 1.6Mpa)
	H	L	n	Φd	ΦD	D2
10	290	140	4	14	90	60
15	293	200	4	14	95	65
20	301	200	4	14	105	75
25	306	200	4	14	115	85
32	325	200	4	18	140	100
40	335	200	4	18	150	110
50	350	200	4	18	165	125
65	375	250	4	18	185	145
80	385	250	8	18	200	160
100	405	250	8	18	220	180
125	435	300	8	18	250	210
150	470	300	8	22	285	240
200	525	350	12	22	340	295
250	590	450	12	26	405	355
300	645	500	12	26	460	410
350	705	550	16	26	520	470
400	765	600	16	30	580	525
450	825	600	20	30	640	585
500	900	600	20	33	715	650
600	1025	600	20	36	840	770
700	1080	700	24	30	895	840
800	1200	800	24	33	1015	950
900	1300	900	28	33	1115	1050
1000	1415	1000	28	36	1230	1160
1200	1590	1200	32	36	1405	1340

 

4. Display

 

The instrument for large LCD screen LCD, two-line display, scheduled for the last 10 cumulative flow shows that the greatest value 9,999,999,999 display can be displayed alternate is, the reverse flow of the cumulative value of the schedule for the next five instantaneous flow shows that the largest display 99999 value can be displayed alternate is, the reverse flow of transient value and prompt report to the police.

Alarm Information	Corrective measures.
Air Traffic Alarm	Check whether the pipeline is full of fluid under test, to adjust air traffic control warning
	Threshold adjustment factor and the air traffic control
Magnetically-shielded alarm system circuit	Check excitation output signal cable wiring and sensors
Alarm signal output short-circuit	Check signal cable wiring and sensor input Check whether the appropriate scope of the range set to re-set range.
Limit traffic police	Check the output pulse frequency settings are appropriate, pulse frequency output
Pulse output limit alarm	Shall not exceed the maximum 1000HZ, re-set the maximum frequency
	Check signal cable wiring and sensor input Check whether the appropriate scope of the range set to re-set range.
Low-voltage battery alarm	Battery replacement
GSM forced to send police	GSM mandatory testing the use