About Huba Control Differential Pressure Transmitter Model 402.9200021

Huba Control Differential Pressure Transmitter Model 402.9200021
- Differential Pressure Transmitter
- Type - 402
- Manufacturer - HUBA CONTROL
- Model - 402.9200021
- RANGE - 0-5 MBAR
- OUT - 0.5....4.5 V
- IN - 12 ( 10.2.... 33 ) V
Product information
The Differential Pressure Transmitters of Type 402 Are Ideal For Detecting Small Air Flows in HVAC Systems And For Measuring Low Pressures In The Environmental And Medical Sectors. Sensors Specifically Developed For Each Pressure Range Enable Physically Accurate And Long-Term Stable Measurements. They Allow For Simple And Quick Installation, Either Directly Onto a Mounting Plate Or Onto a PCB
- Attractive Price-Performance Ratio
- Excellent Synergy Of Membrane Technology And Ceramic Elements
- Special Adapter For DIN Rail Mounting
- Direct PCB Mounting With Simple Snap System
Technical Data
Product Feature
- Pressure Measuring Range : 0 ... 50 mbar (Relative and Difference)
- Response Time : <10 ms
- Load Change : <10 Hz
- Sensor Weight : 28 g
Field Of Application
- Media: Air Neutral Gases
- Medium Temperature: 0 ...70 C Non-Freezing Media
- Permissible Overload On One Side: 100 Mbar
- Bursting Pressure At Room Temperature: 200 Mbar
- Bursting Pressure at 70C: 150 Mbar
Ambient Condition
- Ambient Temperature: 0 ...70 C
- Storage Temperature: -30 ...70 C
Material
- Housing With Media Contact: Polycarbonate PC; Polyamide PA
- Membrane With Media Contact: Silicone
- Measuring Element With Media Contact: Ceramic Al2O3 (96 %)
Electrical Data
- Output Pressure: 0,5 ...4,5 V
- Supply Voltage: 10,2 ...33 VDC
- Permissible Load: >15 kOhm (Against GND)
- Current Consumption: <8 mA
- Inverse-Polarity Protection: Mechanically Guaranteed
- IP Protection Class: IP 00
- Electrical Connection : Printed Circuit Board Assembly Solderable Pins On The Print Side Printed circuit board assembly Mounted And Soldered On Adapter RAST 2.5 Connector
Approval
- EMC Compatibility:The Product Is Intended Exclusively For Installation In Appliances That Fulfil The Requirements Of The EC Directives. CE Certification Is The Responsibility Of The Customer
Installation Guide
- Installation Orientation: Pressure Connections Downwards Pressure Connection P1 Top
- Assembly:Snap-On Mounting On Printed Circuit Board Max 1.6 MM Thickness Adapter Screw Mounting With Bracket
Applications
- VAB SYSTEMS
- ERV
- MOBILE HYDRAULIC
- INDUSTRIAL AUTOMATION
Accessories
- RAST 2.5 Connector:With Cable 110 CM 3-Pole
- Fastening Screw:For Wall Thickness 1-2 MM Screw Length 6 MM Min 2 Screws Required
- Calibration Certificate
- Mounting Bracket
- Mounting Plate Complete For Mounting Rail TS 35
- Fastening Screw : For Wall Thickness 4.1-6 MM; Screw Length 10 MM Min. 2 Screws Required
Additional Information:

Accurate Differential Pressure MeasurementModel 402.9200021 offers precision performance in low-pressure applications, with a measuring range from 0 to 5 mbar. Its high accuracy and stable output make it a trusted component in sensitive control and monitoring tasks across industrial and automotive sectors.
Robust Construction for Demanding EnvironmentsCrafted from quality polycarbonate (PC) and polyamide (PA), this transmitter withstands harsh operating conditions. Its compact, lightweight design at 250 grams facilitates easy installation while maintaining durability and reliable long-term function.
Versatile Applications Across IndustriesThis Huba Control transmitter suits various sectors, including VAB systems, energy recovery ventilation (ERV), mobile hydraulics, and advanced industrial automation. Its adaptable electrical output and broad voltage compatibility enable seamless system integration.
FAQ's of Huba Control Differential Pressure Transmitter Model 402.9200021:
Q: How is the Huba Control Differential Pressure Transmitter Model 402.9200021 installed in industrial automation systems?
A: The Model 402.9200021 is designed for straightforward installation with its compact form factor. It can be mounted directly onto process lines or panels where differential pressure needs monitoring, using standard fittings compatible with industrial systems.
Q: What are the main benefits of using this pressure transmitter in ERV or VAB systems?
A: Using this model enhances energy efficiency and process control in ERV and VAB systems by providing precise differential pressure data. This ensures optimal system performance, safety, and compliance with modern automation standards.
Q: When should you consider replacing or recalibrating the transmitter?
A: It is recommended to recalibrate the transmitter periodically as specified by your system maintenance schedule or if you observe irregular readings. Replacement is advised after the warranty period or if the device experiences physical or electrical damage.
Q: Where can I purchase or source the Model 402.9200021 in India?
A: You can acquire this transmitter through authorized distributors, exporters, importers, manufacturers, suppliers, traders, and wholesalers throughout India. Contacting Huba Control's official partners ensures genuine products and support services.
Q: What is the output signal format and how is it integrated into control systems?
A: The transmitter provides a linear analog output of 0.5 to 4.5 V, which can be directly interfaced with most PLCs, controllers, or data logging devices in industrial environments, facilitating real-time monitoring and control.
Q: How does the material composition benefit the transmitter's performance?
A: The use of polycarbonate and polyamide enhances the device's resistance to mechanical stress and chemical exposure, ensuring reliable operation even in challenging conditions.