About Huba Control 402.9400021 Differential Pressure Transmitter

- Huba Control 402.9400021 Differential Pressure Transmitter
- Differential Pressure Transmitter
- Type 402
- Manufacturer HUBA CONTROL
- Model 402.9400021
- RANGE 0-30 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:

Key Features and Versatile ApplicationsThe Huba Control 402.9400021 Differential Pressure Transmitter delivers precise measurement across a 0-30 mbar range and is ideal for critical environments like VAB systems, ERVs, and industrial automation. Its polycarbonate and polyamide construction ensures durability, while multiple output signal options increase adaptability across different set-ups, making it favoured by industrial professionals.
Reliable Performance and Easy IntegrationDesigned for straightforward installation, this transmitter operates on 11-33 VDC and outputs standard analog signals compatible with most control systems. Lighter at just 250 grams, it fits tightly into various applications without adding unnecessary bulk. Its robust construction assures long-term reliability under demanding industrial conditions.
FAQ's of Huba Control 402.9400021 Differential Pressure Transmitter:
Q: How is the Huba Control 402.9400021 Differential Pressure Transmitter installed?
A: The transmitter is designed for easy installation and can be integrated into existing systems by following the manufacturer's wiring instructions for the 11-33 VDC rated voltage and your chosen output signal (0 ... 5 V, 0 ... 10 V, or 4 ... 20 mA). Precise mounting ensures optimal accuracy and performance.
Q: What applications can use the Huba Control 402.9400021 transmitter?
A: This differential pressure transmitter is suitable for VAB systems, energy recovery ventilators (ERV), mobile hydraulic systems, and a variety of industrial automation processes. Its versatility makes it popular among manufacturers, suppliers, and traders in the industrial sector.
Q: When should I use this transmitter instead of other models?
A: You should consider the Huba Control 402.9400021 when your application requires highly accurate differential pressure measurements in the 0-30 mbar range, standard analog output signals, and a robust build to withstand industrial environments.
Q: Where can I purchase the Huba Control 402.9400021 in India?
A: This model is available through distributors, exporters, importers, manufacturers, suppliers, traders, and wholesalers across India. It can typically be sourced from industrial automation equipment providers.
Q: What is the warranty period for this differential pressure transmitter?
A: The Huba Control 402.9400021 Differential Pressure Transmitter comes with a 1-year warranty covering manufacturing defects and ensuring reliable performance.
Q: How does the signal output selection benefit my application?
A: Offering 0 ... 5 V, 0 ... 10 V, and 4 ... 20 mA output signals, this transmitter adapts easily to a range of control systems, enhancing flexibility and compatibility with different industrial automation protocols.