MBS1900 / 064G6521 Compact Pressure Transmitter – 0–6 bar, 4–20 mA, G 1/4A, Pg 9, IP65, for Air & Water OEM Applications

MBS1900 / 064G6521 – Compact OEM Pressure Transmitter for Air and Water Systems

The MBS1900 pressure transmitter (model 064G6521, also available as 064G6542 and 064G6571) is a compact, cost-effective instrumentation solution engineered specifically for OEM integration into air and water pressure monitoring applications. Its small form factor and robust construction make it an excellent choice for HVAC equipment, pneumatic controls, water treatment systems, and general industrial machinery where space is limited but reliability is essential.

Measurement Performance
The transmitter covers a pressure range of 0 to 6 bar and provides a standard 4–20 mA analog output, ensuring seamless integration with PLCs, controllers, and building management systems. It offers a typical accuracy of ±1% FS, delivering dependable readings for monitoring and control tasks. The unit withstands an overpressure of up to 75 bar without damage, providing a substantial safety margin for occasional pressure surges.

Durable Construction for Air and Water Applications
All wetted parts are manufactured from AISI 316L stainless steel, providing excellent corrosion resistance against water, air, and mildly aggressive media. The unit operates across a media temperature range of 0°C to 80°C, making it well-suited for typical HVAC, water supply, and pneumatic applications.

Reliable Connectivity and Environmental Protection
The pressure connection features a G 1/4A external thread, a standard interface for hydraulic, pneumatic, and HVAC systems. The Pg 9 electrical connector (compliant with EN 175301-803-A) ensures secure, standardized wiring compatible with a wide range of industrial cables and connectors. With an IP65 protection rating, the housing is fully dust-tight and protected against low-pressure water jets, suitable for most indoor and sheltered outdoor installations.

Compact Design for OEM Integration
Designed as a compact OEM product, the MBS1900 offers a space-saving footprint without compromising measurement reliability. Its straightforward installation and standardized interfaces make it an ideal choice for volume manufacturing, equipment assembly, and retrofit projects.

Typical Applications

• HVAC and air handling systems

• Pneumatic controls and compressed air lines

• Water treatment and supply systems

• Industrial automation and OEM equipment

• General air/water pressure monitoring

Choose the MBS1900 / 064G6521 for dependable, compact pressure monitoring in your air and water systems — where OEM efficiency, durability, and cost-effectiveness are essential.