Modular type ultrasonic flow meter

Modular‑type transit‑time ultrasonic flow meter measures acoustically‑conductive liquids for bidirectional flow and heat calculation. Accuracy ±1% (>0.2 m/s), repeatability 0.20%, covers DN15‑DN6000 pipes, compatible with carbon‑steel, stainless‑steel, PVC, cement pipes etc. It is equipped with backlit LCD, supporting 4‑20 mA, OCT pulse, relay outputs and RS485 Modbus RTU communication; 3‑channel 4‑20 mA input connects PT100 for heat metering. It has large‑capacity historical‑data logging for up to 10‑year cumulative flow and power‑on‑off events, strong anti‑interference performance, low power consumption below 1.5 W. Suited for tap‑water, heating, water conservancy, chemical‑metallurgy energy‑saving monitoring, flow verification and spot‑check measurement. PDF datasheet available for download.

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Introduction Specification Feature Application Send Message Related Products

Introduction

Modular type ultrasonic flow meters are inferential meters that uses ultrasonic technology to measure the velocity of an acoustically conductive liquid moving through it. Transit-time measures the time differential between signals sent upstream and downstream. The differential is directly proportional to the velocity of the water. Transit-time meters are best used for measuring the flow of clean liquids and, as a result, are the most popular type of ultrasonic meter.

Specification

Accuracy	±1% of reading at rates >0.2 mps
Repeatability	0.20%
Principle	Transmit time
Velocity	±32m/s
Pipe Size	DN15mm-DN6000mm
Display	LCD with backlight, display accumulated flow/heat, instantaneous flow/heat, velocity, time etc.
Signal Output	1 way 4-20mA output
	1 way OCT pulse output
	1 way relay output
Signal Input	3 way 4-20mA input achieve to heat measurement by connecting PT100 platinum resistor
Other Functions	Automatically record the positive,negative,net totalizer flow rate and heat. Automatically record the time of power-on/off and flow rate of the last 30 times.Replenish by hand or read the datas through Modbus communication protocol.
Pipe Material	Carbon Steel, stainless steel, cast iron, cement pipe, copper, PVC, aluminum, FRP etc. Liner is allowed
Straight Pipe Section	Upstram: 10D; Downsteam:5D; From the pump:30D (D means outer diameter)
Liquid Types	Water, sea water, industrial sewage, acid & alkali liquid, alcohol, beer, all kinds of oils which can transmit ultrasonic single uniform liquid
Liquid Temperature	Standard: -30℃ ~ 90℃ ,High-temperature:-30℃ ~ 160℃
Liquid Turbidity	Less than 10000ppm, with a little bubble
Flow Direction	Bi-directional measuring, net flow/heat measuring
Environment Temperature	Main Unit: -30℃ ~ 80℃
Environment Temperature	Transducer: -40℃ ~ 110℃, Temperature transducer: select on enquiry
Environment Humidity	Main Unit: 85% RH
Environment Humidity	Transducer: standard is IP65, IP68(optional)
Cable	Twisted Pair Line, standard length of 5m, can be extended to 500m (not recommended); Contact the manufacturer for longer cable requirement. RS-485 interface, transmission distance up to 1000m
Power Supply	AC220V and DC24V
Power Consumption	Less than 1.5W
Communication	MODBUS RTU RS485

Feature

High Accuracy
Accuracy better than 1%
Measure Range
Select different model sensors,can achieve DN15-DN6000mm pipe flow measurement
High Reliability
Adopt low voltage, multi-pulse radiating circuit.Accuracy,Lifetime and Reliability are better.
High Anti-interference
Adopt double balanced signal differential transmission, receiving circuit,effective resist the drive,tower, Strong power lines and other source of interference.
Powerful Memory Function
Automatic memory the cumulative flow of 512 days before, 128 months before, 10 years before. Automatic memory the power-on and off of 64times before and the flow. Automatic memory the meter working condition of 32days before.

Application:

Modular type ultrasonic flow meter used in tap water, heating, water conservancy, metallurgy, chemical, machinery, energy and other industries. It can be used for production inspection, flow verification, temporary inspection, flow inspection, water meter horizontal debugging and energy saving monitoring. It is a tool and meter for timely detection of flow.

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