About Huba Control Differential Pressure Transmitter Model : 402.9400021
Huba Control Differential Pressure Transmitter Model : 402.9400021 - Differential Pressure Transmitter
- Type a 402
- Manufacturer a HUBA CONTROL
- Model a 402.9400021
- RANGE a 0-30 MBAR
- OUT a 0.5a.4.5 V
- IN a 12 ( 10.2a. 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 DataProduct 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 AC Non-Freezing Media
- Permissible Overload On One Side : 100 Mbar
- Bursting Pressure At Room Temperature : 200 Mbar
- Bursting pressure at 70AC : 150 Mbar
Ambient Condition
- Ambient Temperature : 0... 70 AC
- Storage Temperature : -30 ...70 AC
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)

Precision and Versatility in Pressure MeasurementHuba Control's Model 402.9400021 brings reliability to environments where accurate monitoring of differential pressure is essential. Designed for use in VAB systems, energy recovery ventilators (ERV), and mobile hydraulics, this transmitter's wide pressure range and lightweight form make it adaptable for industrial automation and other critical processes.
Superior Build and Ease of InstallationFeaturing an antique or polished matte finish and weighing only 28 grams, the transmitter offers both aesthetic flexibility and durable functionality. The back mount installation simplifies integration into various control systems, supporting consistent measurements without adding significant bulk.
FAQ's of Huba Control Differential Pressure Transmitter Model : 402.9400021:
Q: How is the Huba Control Model 402.9400021 differential pressure transmitter installed?
A: This pressure transmitter utilizes a back mount design, making it easy to install on panels or within system enclosures. Its lightweight build ensures minimal load on mounting surfaces.
Q: What types of pressure can this transmitter measure?
A: The transmitter is suitable for measuring the differential pressure of media such as steam, oil, and gas within the range of 0 ... 3 - 50 mbar, covering a wide spectrum of industrial applications.
Q: When should I use this transmitter in my system?
A: This model is ideal for scenarios requiring precise pressure monitoring in VAB systems, ERVs, mobile hydraulic setups, and automated industrial controls, especially when space and weight are considerations.
Q: Where is the Huba Control 402.9400021 commonly used?
A: It's widely installed in building automation, mobile machinery, HVAC systems, and industrial automation across settings where differential pressure monitoring is critical.
Q: What are the finishing options and their benefits?
A: Available finishes include antique, polished, and matte. These aid in both system aesthetics and surface durability, letting you match the device to existing equipment or environmental conditions.
Q: What benefits does this transmitter offer to exporters and manufacturers in India?
A: Indian exporters, manufacturers, suppliers, and traders benefit from this transmitter's standard-compliant processing, reliable performance, and suitability for a wide range of applications, supporting both domestic and international markets.