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Full channel wide electromagnetic open channel flowmeter

L D M-5 1 intelligent open channel flow measuring system (full channel wide box type electromagnetic open channel flow meter) is the only intelligent measuring device that can directly measure the average flow speed of the overflow section. The whole channel wide box electromagnetic open channel flow meter adopts the flow speed-area method, consisting of the whole channel wide electromagnetic flow speed sensor, liquid level sensor and intelligent converter. The working principle is to calculate the section area measured by the area of the channel. The water level of the level meter with different principles, the liquid level meter is generally measured by ultrasonic level meter, pressure level meter, etc. The measurement system can realize precise flow control function by combining gate, solar control system and wireless communication remote control, which is the basis of gate linkage control and information solution in irrigation area.

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Full channel wide electromagnetic open channel flowmeter

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Description

Parameters

　　Functional features

　　The measurement system can measure the real-time water level, the average flow rate, and the cumulative flow rate;

　　Reasonable mathematical model and advanced technology technology multi-electrode automatic tracking measurement can accurately measure the average section flow velocity of different forms; the measurement range is wide (0.01-10m/s);

　　Two-way flow measurement;

　　Measurement is not affected by floating objects, sediment content, water level changes, sedimentation and temperature;

　　The flow speed sensor is convenient to install and has no resistance to the water flow. Standard section does not need to be directly installed, installation construction difficulty is small, low cost;

　　Instrument display function: can simultaneously display water level, section average flow speed, section instantaneous flow, accumulated flow, etc.

　　Supporting gate can achieve accurate measurement and control integration, measure before and rear gate water level and gate opening, etc.; with permanent data storage function, and set parameters and flow value can be saved in the case of long-term power outage;

　　The instrument has standard 485 interface with ModBus (RTU) output and dual analog input interface. Technical parameters

Converter	Accuracy	Flow rate ± 1.0%; water level ± 2mm; system ≤ ± 2.0%
	Measurement range	Flow speed of 0.01-10m/s
	Power supply supply	3.6 / 12V/24V/220V/ Solar Power Supply (optional)
	Communication mode	RS485. The MODBUS (RTU) protocol
	Protection level	RS485. The MODBUS (RTU) protocol
	The cumulative flow displays the maximum value	9999999999
	The instantaneous flow displays a maximum value	10000
	Flow speed shows the maximum value	19.999
	The liquid level shows the maximum value	19.999
	Power consumption	<2W.
Sensor	Flow speed sensor	Faraday law of electromagnetic induction (size size for size)
	Level sensor	Pressure, ultrasound, radar, magnetostriction (other optional)
	Signal cable	Standard with 10 m (customizable)
	Protection level	IP68.
Optional accessories	Options	Solar power supply system, bracket, bracket embedded parts, stainless steel instrument box, battery buried box, communication module

　　Model and specification

Full-channel-wide electromagnetic flowmeter	Water level range mm	Free Flow Range (m³/h)	Free Flow Range (m³/h)
	Water level range mm	Free Flow Range (m³/h)	Length of L (mm)	Height of H (mm)	Width of B (mm)	Specification
	1000	0.050	400	200	200	201
		0.100	600	400	400	401
		0.150	600	600	600	601
		0.200	700	700	700	701
		0.300	800	800	800	801
		0.400	900	900	900	901
		0.500	1000	1000	1000	1001
		0.600	1200	1200	1200	1201
	Other specifications are customizable