Best Flow Meter – not full pipe and open channel 4-20mA ultrasonic flow meter – Lanry

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Best Flow Meter – not full pipe and open channel 4-20mA ultrasonic flow meter – Lanry Detail:

Description

Features

Specificaitons

Installation

Applications

Ultrasonic Doppler Principle in Quadrature Sampling Mode is utilised to measure water velocity. The 6537 Instrument transmits ultrasonic energy through its epoxy casing into the water. Suspended sediment particles, or small gas bubbles in the water reflect some of the transmitted ultrasonic energy back to the 6537 Instrument’s ultrasonic receiver instrument that processes this received signal and calculates the water velocity.

Water depth is measured with two methods. An ultrasonic depth sensor measures water depth using the ultrasonic principle from a top mounted sensor on the instrument. Depth is also measured using the pressure principle from a bottom mounted sensor in the instrument. These two sensors provide flexibility in depth measurement. Some applications, for example measuring from the side of a pipe, better suits a pressure principle, while other applications in clear open channels better suit an ultrasonic principle.

The QSD6537 Sensor has a 4 electrodes conductivity instrument (EC) included to measure the quality of the water, with four electrodes exposed to the water at the top of the instrument. Water quality is measured on an ongoing basis and this parameter can be recorded along with velocity and depth to better analyse the nature of the water in open channels and pipes.

Features

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Velocity Range: 0.02mm/s to 12m/s bi-directional, accuracy is 1%.

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Depth Range: 0 to 10m.

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Measure velocity in both forward flow and back flow.

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Depth is measured by both the pressure sensor and ultrasonic level sensor principles.

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With borometric and pressure compensation function.

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IP68 Epoxy-sealed body design, designed under water installation.

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RS485/MODBUS output, connect to computer directly.

Specificaitons

Sensor:

Velocity	Velocity range:	20mm/sec to 12 m/sec Bidirectional velocity capability, set using configuration tools
	Velocity accuracy:	±1 % measured velocity
	Velocity resolution:	1 mm/s
Depth (Ultrasonic)	Range:	20mm to 5000mm (5m)
	Accuracy:	± 1 % measured
	Resolution:	1 mm
Depth (Pressure)	Range:	0mm to 10000mm (10m)
	Accuracy:	± 1 % measured
	Resolution:	1 mm
Temperature	Range:	0°C to 60°C
	Accuracy:	±0.5°C
	Resolution:	o.1°C
Electrical Conductivity (EC)	Range:	0 to 200,000 \|iS/cm, Typically ± 1 % of measurement
	Resolution	±1 µS/cm
	May be recorded as a 16-bit value (0 to 65,535 p.S/cm) or a 32-bit value (0 to 262,143 uS/cm)
Tilt (Accelerometer)	Range:	±70° in roll and pitch axes.
Tilt (Accelerometer)	Accuracy:	±1 ° for angles less than 45°
Output	SDI-12:	SDI-12 v1.3, Max. cable 50m
Output	RS485:	Modbus RTU, Max. cable 500m
Environmental	Operating temperature:	0°C 〜+60°C water temperature
	Storage temperature:	-20°C 〜+60°C
	IP class:	IP68
Others	Cable:	The standard cable is 15m, the maximum option is 500m.
	Sensor material:	Epoxy-sealed body, Marine Grade 316 Stainless Steel Mounting Bracket
	Sensor size:	135mm x 50mm x 20mm (L x W x H)
	Sensor weight:	1 kg with 15m of cable

Caculator:

Type:	Portable
Power supply:	Calculator: 85-265VAC(Charging battery)
IP class:	Calculator: IP66
Operating temperature:	0°C ~+60°C
Case material:	ABS
Display:	4.5″ color LCD
Output:	Pulse, 4-20mA (Flow & Depth), RS485/Modbus, Datalogger, GPRS
Size:	270Lx215Wx175H (mm)
Weight:	3 kg
Data storage:	16GB
Application:	Partially Filled Pipe: 150-6000mm; Channel: width >200mm