





electromagnetic flowmeter
Specialist for demanding water and wastewater applications with a compact, easily accessible transmitter
Specs at a glance
Max. measurement error
Volume flow (standard): ±0.5 % o.r. ± 1 mm/s (0.04 in/s)
Volume flow (option): ±0.2 % o.r. ± 2 mm/s (0.08 in/s), Flat Spec
Measuring range
0.5 m3/h to 263000 m3/h (2.5gal/min to 1665 Mgal/d)
Medium temperature range
Liner material hard rubber: 0 to +80 °C (+32 to +176 °F)
Liner material polyurethane: -20 to +50 °C (-4 to +122 °F)
Liner material PTFE: -20 to +90 °C (-4 to +194 °F)
Max. process pressure
PN 40, Class 300, 20K
Wetted materials
Liner: Polyurethane; Hard rubber, PTFE
Electrodes: 1.4435 (316L); Alloy C22, 2.4602 (UNS N06022); Tantalum
Field of application
The premium device for water and wastewater measurement Promag W 300 was designed for reliable use in hazardous areas and under harsh conditions. Its compact transmitter offers high flexibility in terms of operation and system integration: access from one side, remote display and improved connectivity options. Heartbeat Technology enables measurement reliability and compliant verification.

Reliable measurement at constant accuracy with 0 x DN inlet run and no pressure loss
Flexible engineering - sensor with fixed or lap-joint process connections
Application fitness - EN ISO 12944 corrosion protection for underground or underwater installation
Improved plant availability - sensor compliant with industry-specific requirements
Full access to process and diagnostic information - numerous, freely combinable I/Os and Ethernet
Reduced complexity and variety - freely configurable I/O functionality
Integrated verification - Heartbeat Technology
The bidirectional measuring principle is virtually independent of pressure, density, temperature and viscosity
Dedicated to the measurement of industrial or municipal water and wastewater
Device properties
International drinking water approvals
Degree of protection IP68 (Type 6P enclosure)
Approved for custody transfer to MI-001/OIML R49
Compact dual-compartment housing with up to 3 I/Os
Backlit display with touch control and WLAN access
Remote display available
Product Selection |
Promag W 300, 5W3B1F, DN150 6" |
Promag W 300, 5W3B1H, DN100 4" |
Promag W 300, 5W3B1Z, DN125 |
Promag W 300, 5W3B25, DN25 1" |
Promag W 300, 5W3B2F, DN250 10" |
Promag W 300, 5W3B2H, DN200 8" |
Promag W 300, 5W3B32, DN32 |
Promag W 300, 5W3B3F, DN350 14" |
Promag W 300, 5W3B3H, DN300 12" |
Promag W 300, 5W3B3S, DN375 15" |
Promag W 300, 5W3B40, DN40 1 1/2" |
Promag W 300, 5W3B4F, DN450 18" |
Promag W 300, 5W3B4H, DN400 16" |
Promag W 300, 5W3B50, DN50 2" |
Promag W 300, 5W3B5H, DN500 20" |
Promag W 300, 5W3B65, DN65 |
Promag W 300, 5W3B6H, DN600 24" |
Promag W 300, 5W3B7F, DN750 30" |
Promag W 300, 5W3B7H, DN700 28" |
Promag W 300, 5W3B80, DN80 3" |
Promag W 300, 5W3B8H, DN800 32" |
Promag W 300, 5W3B9H, DN900 36" |
Promag W 300, 5W3BE0, DN2000 |
Promag W 300, 5W3BE1, AWWA 84" |
Promag W 300, 5W3BE2, DN2200 |
Promag W 300, 5W3BE3, AWWA 90" |
Promag W 300, 5W3BE4, DN2400 |
Promag W 300, 5W3BE6, DN2600 |
Promag W 300, 5W3BE8, DN2800 |
Promag W 300, 5W3BF0, DN3000 |
Promag W 300, 5W3BT0, DN1000 40" |
Promag W 300, 5W3BT2, DN1200 48" |
Promag W 300, 5W3BT4, DN1400 |
Promag W 300, 5W3BT6, DN1600 |
Promag W 300, 5W3BT8, DN1800 72" |
Promag W 300, 5W3BV0, AWWA 42" |
Promag W 300, 5W3BV3, AWWA 54" |
Promag W 300, 5W3BV5, AWWA 60" |
Promag W 300, 5W3BV6, AWWA 66" |
Promag W 300, 5W3BV9, AWWA 78" |
Promag W 300, 5W3BW4, AWWA 96" |
Promag W 300, 5W3BW7, AWWA 108" |
Promag W 300, 5W3BW9, AWWA 120" |

Durable materials: We use high-quality materials that are sturdy and durable, and will not be damaged during transportation. This ensures that our products reach our customers in good condition.
Safe packaging: Our packaging design focuses on a safe outer shell. We use protective layers and liners to prevent any damage to the product caused by external impact or rough handling.
Clear labels: Our packaging includes clear and detailed labels. They provide necessary detailed information, such as product name, quantity, instructions for use, and any necessary warning labels. This helps customers easily identify and understand the product.
Our Vision: Based in China, serving the world.
Our Mission: Let China's supply chain and made-in-China products serve the whole world.
Our Concept: Professionalism, integrity, innovation, and win-win.


China has a huge supply chain system, and we have 20 years of work experience in the industrial automation industry.
We focus on customer needs, communicate and cooperate with integrity, and wholeheartedly find the products or alternative solutions that customers need.
A:All goods have 1 year warranty.
2.Q:What about the delivery time?
A:Normally in 1-3 Workdays.
3.Q:Other suppliers have a better price than yours?
A:"In order to maximize your interests, other suppliers have lower prices. You can tell us and we will try our best to offer you the maximum discount, just to make friends with you
4.Q:What about the shipment?
A:We can arrange shipment by DHL, FedEx, UPS,TNT, EMS with competitive price, of course, customers can also use their own freight forwarders.
5.Q:How about the terms of payment?
A:Generally through T/T, Paypal and Western Union also accept.

