About Huba Control Differential Pressure Transmitter Model 402.9400021

Huba Control Differential Pressure Transmitter Model 402.9400021
- 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:

Precision Monitoring for Multiple ApplicationsModel 402.9400021 is designed for accurate differential pressure measurement across VAB systems, ERV, mobile hydraulics, and industrial automation. Its broad compatibility makes it a reliable choice for operators seeking dependable data within a 0-30 mbar range.
Durable Materials and Lightweight DesignCrafted from high-grade polycarbonate (PC) and polyamide (PA), the transmitter offers resilience in demanding environments. Weighing just 250 grams, it can be installed easily in compact spaces without compromising on durability or accuracy.
Flexible Output and Easy IntegrationWith an output signal spanning 0.5 to 4.5 V, the transmitter seamlessly integrates with control systems. This flexibility ensures precise data transmission for efficient system monitoring and automation across various applications.
FAQ's of Huba Control Differential Pressure Transmitter Model 402.9400021:
Q: How does the Huba Control Model 402.9400021 benefit industrial automation systems?
A: This pressure transmitter continuously monitors low differential pressures (0-30 mbar), providing precise output ideal for process control and maintaining optimal performance in industrial automation.
Q: What process is involved in installing the transmitter?
A: Installation is straightforward due to its lightweight (250g) design and compact structure. Mount the unit in the required location, connect the 12 V (10.2 to 33 V) power supply, and integrate the output signal into your monitoring or control system.
Q: Where can this pressure transmitter be utilized effectively?
A: It is widely applicable in VAB systems, energy recovery ventilation (ERV), mobile hydraulic units, and industrial automation settings, delivering reliable pressure monitoring in each scenario.
Q: When should the transmitter be maintained or serviced?
A: Routine maintenance is advisable according to your operational environment. With its durable polycarbonate and polyamide construction, the device requires minimal maintenance but should be checked periodically for optimal performance.
Q: What are the advantages of the material used in this model?
A: The use of polycarbonate (PC) and polyamide (PA) ensures the transmitter is robust, resistant to daily wear, and able to withstand industrial conditions while keeping the weight low for easier installation.
Q: How do I benefit from purchasing through an Indian distributor or supplier?
A: Buying from local distributors, exporters, or wholesalers in India facilitates easy access to support, warranty services, and faster delivery, ensuring reliable and uninterrupted operation of your equipment.
Q: What warranty is offered for the Huba Control Differential Pressure Transmitter?
A: The device comes with a 1-year warranty, assuring users of quality and support in case of manufacturing defects or malfunctions during standard usage.