JUMO flowTRANS US W01 Ultrasonic flowmeter DN 20 (3/4 in.)
€520.80*
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Product information "JUMO flowTRANS US W01 Ultrasonic flowmeter DN 20 (3/4 in.)"
Ultrasonic flow meter for DN 20 for stable and low-maintenance measurement of liquid flows in pipelines
JUMO flowTRANS US W01 Ultrasonic Flow Meter DN 20 (3/4")
In pipelines with medium nominal diameters, this flow meter enables reliable measurement of liquid flows under changing operating conditions. The ultrasonic technology operates without contact and delivers stable measurement values without being influenced by parameters such as pressure, temperature, or conductivity.
The volumetric flow rate is determined by evaluating signal transit times measured along and against the direction of flow. The difference between these transit times is used to calculate the flow velocity and convert it into a flow value. This makes the system suitable for both steady and dynamic flow conditions.
By eliminating mechanical components, the measuring point remains wear-free and requires minimal maintenance. For optimal results, the medium should have a homogeneous composition with only minimal gas or solid content.
Advantages
- Reliable measurement under changing flow conditions
- Independent of conductivity and other media properties
- Suitable for continuous monitoring in piping systems
- Low maintenance requirements during operation
Technical Data
- Measuring principle: Ultrasonic transit-time difference method
- Nominal diameter: DN 20 (3/4")
- Measurement setup: Ultrasonic sensors with external evaluation unit
- Measured variable: Volumetric flow rate
- Installation condition: Homogeneous liquids with low gas and solid content
Typical Applications
- Water distribution and supply systems
- Technical systems in industrial environments
- Process pipelines with varying flow rates
- Building services and utility installations
Frequently Asked Questions
Yes, it detects even very low flow rates and provides stable readings.
Usually just a few minutes — no lengthy preparations are required.
No, the ultrasonic measurement takes place without any obstruction in the pipe.
In many cases, no readjustment is necessary — it works straight away.
Yes, whether hard or soft water — the measurement remains stable.
Yes, JUMO offers suitable mounting kits separately to make installation even easier and safer.
Dimensions
| Height | 11 cm |
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| Length | 18 cm |
| Width | 11 cm |
Weight
| Weight | 250 g |
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Other attributes
| Country of origin | DE |
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| Customs tariff number | 90261021 |
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JUMO |
Part no.: 744932 Type:406050/000-0020-121-32-58-01-12/000 |
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Installation type |
Inline |
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Nominal diameter |
DN 20 |
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Nominal pressure |
PN 16 |
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Measuring accuracy |
2 % of the measured value |
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Measuring range |
0.6 to 210 l/min |
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Process connection |
Male G-thread with integrated seal |
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Materials in contact with media |
PPSU, PEEK, EPDM (FKM) |
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Maximum medium temperature |
Up to 80 °C (up to 95 °C with lower accuracy) |
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Maximum ambient temperature |
Up to 70 °C |
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Display |
Status LED |
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Input and output |
Digital output (up to 10 kHz); analogue output (4 to 20 mA, optionally 0 to 10 V) |
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Communication |
– |
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Protection class |
IP65/IP67 |
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Power supply |
DC 18 to 30 V, SELV/PELV |
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Additional measured variables |
– |
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Special features |
Metal-free plastic housing |
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We recommend the following
Frequently Asked Questions What is this mounting set typically used for? This mounting set is designed for JUMO flowTRANS ultrasonic flowmeters and facilitates installation in piping systems. Does this mounting set fit my DN 20 pipe? Yes, it is specifically designed for DN 20 size pipes. Does it include everything I need for installation? Yes, the set contains the essential components for easy mounting. Can I install the set myself, or do I need help? With a little skill, you can easily install it yourself. Does the connection remain leak-proof in the long term? Yes, when installed correctly, the connection remains reliably leak-proof. Is the material suitable for use with water? Yes, the set is ideally suited for water applications. Can I disassemble the set if necessary? Yes, it can be easily detached and reused. What is this mounting set typically used for? This mounting set is designed for JUMO flowTRANS ultrasonic flowmeters and facilitates installation in piping systems.
Frequently Asked Questions Will this installation kit fit my DN 20 pipe? It is specifically designed for DN 20 pipes. Is the material heat- and pressure-resistant? PP is robust and can withstand typical stresses. What does the installation kit contain? The installation kit consists of insert fittings and union nuts. What do I need the installation kit for? The mounting kit allows a JUMO flowTRANS ultrasonic flowmeter to be easily connected to a DN 20 pipe. Can the connection be undone? The union nut can be easily undone.
Frequently Asked Questions Will the installation kit fit my DN 20 pipe? Yes, it is specifically designed for DN 20 pipes. What is the butt-welding kit used for? The mounting kit allows a JUMO flowTRANS ultrasonic flowmeter to be easily connected to a DN 20 pipe. Is everything needed for installation included? Yes, the mounting kit consists of insert fittings and union nuts. Will the connection remain stable in the long term? Yes, when installed correctly, the connection is permanently leak-proof and stable. Is the material robust enough for this application? PP is resistant to heat, pressure and everyday stresses. Can I come apart the connection again? Yes, the union nuts can be loosened without any problems. Is the kit suitable for water pipes? Yes, it can be used for drinking water and service water pipes.
Frequently Asked Questions Will the mounting kit fit my DN 20 pipe? This kit is suitable for DN 20 pipes and can be fitted without any problems. What is the stainless steel mounting kit with PP nut used for? It securely fastens JUMO flowTRANS ultrasonic flowmeters to the pipe and ensures a tight, stable connection. Is everything needed for installation included? Yes, the kit includes the PP nut and all the necessary installation components. Can I install the kit myself? With basic DIY skills, installation is straightforward. Does the connection remain reliably leak-proof? When installed correctly, the connection remains leak-proof and stable over the long term. Is the material robust enough for everyday use? Stainless steel is particularly resistant to corrosion and everyday wear and tear. Can the connection be loosened again? The PP nut allows the connection to be loosened if adjustments are necessary. Is the kit suitable for water pipes? Yes, it can be used without any problems in drinking water and service water installations.