About Huba Control Differential Pressure Transmitter Model 402.9100021

Huba Control Differential Pressure Transmitter Model 402.9100021
- Differential Pressure Transmitter
- Type - 402
- Manufacturer - HUBA CONTROL
- Model - 402.9100021
- RANGE - 0-3 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:

Highly Sensitive Pressure MeasurementEngineered for accuracy, the Huba Control 402.9100021 provides differential pressure sensing in the ultra-low range of 0-3 mbar. Its sensitivity makes it a strong fit for critical installations, including VAB systems and ERV, helping monitor and regulate airflows or liquid movements with confidence.
Lightweight & Robust ConstructionBuilt from high-quality polycarbonate (PC) and polyamide (PA), the transmitter weighs only 250 grams. This light yet durable assembly ensures easy integration into mobile hydraulic or industrial automation setups, where reliable performance and compact design are essential.
Versatile Industrial ApplicationsWith compatibility for a wide input power range and an output signal tailored for modern controls, this device serves a diverse spectrum of sectors such as VAB systems, ERV, mobile hydraulics, and more. Widely distributed throughout India, it caters to the needs of many industries.
FAQ's of Huba Control Differential Pressure Transmitter Model 402.9100021:
Q: How does the Huba Control Differential Pressure Transmitter Model 402.9100021 function in VAB systems and ERV?
A: The Model 402.9100021 monitors minute differences in air or fluid pressure (0-3 mbar range) and outputs an analog voltage signal (0.5 to 4.5V), enabling precise control of ventilation and energy recovery systems by signaling exact pressure changes to the system controller.
Q: What are the installation requirements for this pressure transmitter in industrial automation?
A: Installation is straightforward due to its compact size and lightweight build. It operates efficiently with a supply voltage between 10.2 and 33V and can be integrated into standard industrial automation control panels. Ensure the environment is compatible with the device's polycarbonate and polyamide construction.
Q: When should I consider replacing or recalibrating the pressure transmitter?
A: Regular maintenance is recommended as per your application's protocols. If you notice inconsistent readings or system alarms, check for recalibration or replacement. The product comes with a 1-year warranty, covering manufacturing defects.
Q: Where can I purchase the Huba Control Model 402.9100021 in India?
A: It is available across India through various distributors, exporters, importers, manufacturers, suppliers, traders, and wholesalers. Contact your preferred industrial equipment supplier for availability and support.
Q: What is the benefit of the 0.5 to 4.5V output signal for users?
A: The 0.5 to 4.5V analog output ensures compatibility with a wide range of control systems, allowing for precise and responsive data transfer to controllers, which is crucial for effective automation and monitoring in sensitive environments.
Q: How does the product's material construction benefit its performance?
A: Manufactured from polycarbonate (PC) and polyamide (PA), the Model 402.9100021 offers strength, chemical resistance, and durability, making it suitable for challenging industrial and mobile environments.