SONIC LF-2000 超音波液体流量计

Fluid condition / Applicable liquid: water, seawater

Turbidity: 10000ppm or less

Liquid temperature: -10 ∼ 60 ºC (must be not frozen)

No air bubbles and dust

No drift and swirl flow

Pipe condition / Nominal Diameter : 50∼6000mm

Pipe material: Steel, SUS, cast iron, PVC, FRP

Installation requirement : Upper stream side: 10D

Lower stream side: 5D or more

Upper steam pump or valve: more than 30D∼50D


Measurement method: Ultrasonic transit time method

Display : LCD (240x 128 dots, backlight)

Display content: instantaneous flow, instaneous flow velocity, integrated flow (normal / reverse)

Self-diagnosis: Upper and lower limit alarms, Detection for received wave abnormality and range over.

Chordal path: 1path or 2path, 4path (option)

Accuracy: ±1%RD (velocity 0.8〜30m/s), ±0.8cm/s (velocity 0〜0.8m/s)

Dumping: 0∼120 sec (1-second steps)<

Flow rate range : Measurement range : 0∼±30m/s

Flow /Time unit: m³, L, ton, kg / h, m, sec

Range number: Maximum 4 ranges (normal/reverse flow every 2 ranges)

Range switch: Automatic or Manual

Current output: Output number : Contact x2

Signal : DC4-20mA

Load resistance 1kΩ or less

Contact output: Output number : Contact x6

Output Signal : Open  collector standard 30V, 0.25A

Output mode: normal for an integrated pulse, reverse integrated pulse, self-diagnosis

Integrated output : pulse width : 1∼200msec

Integrated unit: m³, L, ton, kg

Integrated rate: 0.01∼1000

Digital output: RS-232C, RS-422

Content: Instantaneous flow rate, integrated flow rate

Baud rate: 19200bps

Ambient temperature: -10∼ +60ºC

Humidity: less than 90%RH

Surge protection: Built-in surge absorber (VDD line, signal line)

Power consumption: less than 20VA

Structure: Waterproof type (IP67 equivalent)

Material: Aluminium alloy casting (AC4C)

Weight: Approximately 8.5 kg

Installation condition: The product must not be installed in places where it will be exposed to direct sunlight.

Sensor probe

Model: LFT-10: more than 300mm

LFT-20: less than 300mm

Installation method: V or Z

Cables length: Standard 5m (5C-2T cable equivalent)

Material: SCS13, Acryl

Ambient temperature: -20∼+60ºC

Structure: Waterproof type (IP67 equivalent)

*Consult sales representative about underwater type (IP68 equivalent)

Weight: LFT-10: Approx. 3.5kg

LFT-20: Approx. 1.5kg

Connection cable

Model type: JCL

Cable: Max.300m (5C - 2T cable equivalent)

External diameter: approximately 9mm

Weight: approximately0.1 kg/m

Juction box

Model: LFB - 50

Material: FRP, SUS304

Ambient temperature: -20 ℃ ~ +80 ℃

structure / Waterproof type (IP68 equivalent)

Weight: approximately 1.3 kg

*Connection cable and Juction Box required if distance is more than 5m




● Equipped with wide screen LCD

● Flexible parameter configuration

● Various output port (analog x2, digital x1, contact x4)

● Wider measurement range

● No pressure loss

● Simple flow trend graph

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