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ISTEC SF-500S Smart Ultrasonic Open Channel Flow Meter

This flowmeter measures accurate flow rate with a precise sensor and provides various weir and plume measurement formulas, making it easy to use according to the user’s environment.

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Made in South Korea. brand ISTEC, model SF-500S

Fast delivery to Latvia, Estonia and Lithuania. International delivery to Europe, Asia, Africa and other continents available on request
Our warehouse is located in Riga, Latvia.

price by request

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Available

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Official distributor in Latvia

Time-tested American, European and Asian brands of control and measurent instruments

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Special price list for organisations

We offer a significant discount for trade organisations and manufacturing companies

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Worldwide shipping on request

We take care of all logistics and customs clearance. Fast delivery to Baltic countries

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After-sales service and support

Warranty service and repair, expert assistance in the operation of the instruments

Description of ISTEC SF-500S

The SF-500S is an ultrasonic open-channel flow meter designed to measure flow rate in open channels. It calculates flow rate using water level data measured at specific weirs or flumes, converting level values through flow equations. Accurate level measurement is essential for precise flow readings.

The SF-500S not only measures water levels with high-precision sensors, but also supports multiple weir and flume calculation formulas to adapt to various field conditions. Measured flow data is stored in substantial internal memory and can be conveniently downloaded via USB for efficient flow trend analysis.

Features

  • Dedicated open-channel flow sensor
  • User-centric menu interface
  • 6-button keypad for intuitive operation
  • Self-diagnostic guidance via troubleshooting QR codes
  • RS232, RS485, and Modbus communication protocols
  • USB data download and firmware upgrade capability
  • Long-term data logging functionality
  • Multiple flume and weir calculation formulas

Technical specifications of ISTEC SF-500S

Controller SF-500S
Measuring Method Non-contact ultrasonic measurement
Measuring Range 0.00m³/h ~ 200,000.00m³/h
Accuracy 0.2% of F.S
Resolution 1mm
Response Speed 0.1m/min ~ 100m/min, adjustable
Data Logging 16,128 logs (max 672 days at 1hr interval)
Output Analog 2 channels, 4~20mA, max 750Ω isolated
Relay 3 or 6 relays
Digital Communication RS232, RS485, Modbus
Display: Illuminated Graphic LCD
Protection Rating IP65
Operating Temperature -20℃ to 60℃
Material Polycarbonate
Dimensions 166(W)×250(H)×95(D) mm
Weight Approx 2kg
Power Supply AC 100-230V AC±15%, 50/60Hz, 29VA(12W)
Fuse: 250V T1.0A
DC DC 9-30V, Max 8W
Sensor LXD-04
Measuring Distance 0.3-4m
Beam Angle
Mounting Specification 1″ PF
Weight Approx 1.0kg
Sensor Material PP, PVDF
Temperature Compensation Built-in temperature sensor (external temperature sensor optional)
Protection Rating IP68
Cable 2-core shielded cable (18AWG)
Certification CE, FCC
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How to buy ISTEC SF-500S

SF-500S Ordering Code
Sensor Channel
1 1xSENSOR, LXD-04
Power Supply
A AC 100 to 230V (Standard)
B DC 9 to 30V
Communication Type
N none
A RS232 (Standard)
B RS485
C RS232 on Modbus
D RS485 on Modbus
Relay
3 3xRelay
SF500S-
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User Guide and Instruction manual for ISTEC SF-500S

You can request the necessary certificates, documentation, instructions and user guide for ISTEC SF-500S using the special form.

You can buy ISTEC SF-500S in Latvia at a favourable price in «OLIL SIA» by leaving a request on the website, by phone +371 672 70580 or by email . ISTEC SF-500S price are subject to change depending on exchange rates. We deliver instruments by transport companies in Latvia, Estonia and Lithuania. Worldwide shipping to Europe, Asia, Africa, North and South America available on request.