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HPT703 Micro Differential Pressure Transmitter

The HPT703 micro differential pressure transmitter delivers precise low-pressure measurement for airflow control, HVAC systems, and cleanroom monitoring. Built for stability and fast response, it ensures accurate data in demanding industrial environments. Its compact design, multiple output options, and long-term reliability make it ideal for automation, ventilation systems, and gas pressure monitoring where consistent performance and efficiency are critical.

Category Pressure Sensors
Brand Holykell
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Technical details and application highlights

Review the complete description, feature set, and specification details before sending your inquiry.

The HPT703 micro differential pressure transmitter is engineered for accurate low-pressure measurement in industrial and commercial environments. Designed for airflow monitoring, cleanroom applications, and HVAC systems, this compact device delivers reliable and stable performance across a wide pressure range. Its high sensitivity and rapid response make it an ideal solution for industries requiring precise pressure control and monitoring.

Key Features

  • High accuracy with multiple precision options for flexible use
  • Wide pressure range suitable for micro-pressure applications
  • Fast response time for real-time monitoring
  • Excellent long-term stability with minimal drift
  • Multiple output signal options for system integration
  • Durable construction for industrial environments

Design & Functionality

The transmitter features a compact and robust structure, making it suitable for space-constrained installations. It supports multiple electrical outputs including analog and digital signals, ensuring seamless integration into automation systems. The device is optimized for air and non-corrosive gases, delivering consistent measurement performance even in dynamic environments.

Total Crossed Beams

The internal sensing mechanism is optimized to maintain structural balance and enhance measurement accuracy. This ensures stable readings even under fluctuating pressure conditions, making it suitable for precision-driven applications.

Beam Pitch Options

Flexible sensing configurations allow the transmitter to adapt to different pressure ranges and operational needs. This versatility ensures compatibility across a wide variety of industrial and commercial applications.

Intrinsic Synchronism

The device maintains synchronized performance between sensing and signal output, ensuring minimal delay and accurate data transmission. This enhances system efficiency and reliability in automated processes.

Operational Advantages

With its fast response time and low temperature drift, the HPT703 ensures dependable operation in changing environmental conditions. Its easy calibration support and durable design reduce maintenance requirements while improving system uptime. Ideal for HVAC systems, environmental monitoring, and industrial airflow control, this transmitter provides consistent and accurate pressure measurement for critical applications.

Parameter

HPT703

Pressure Range0-100Pa, 0-250Pa, 0-1250Pa, 0-7500Pa
Safe Overload200% F.S.
Burst Pressure400% F.S.
Accuracy1.0%F.S; 0.5%F.S; 0.25%F.S optional
Long Time Stability≤0.2%F.S/Year
Working Temp18℃ ~ +65℃
Storage Temp-54℃ ~ +82℃
Temperature Compensation5℃ ~ 65℃
Zero Point Temp Drift<0.06%F.S/℃
Full Scale Temp Drift<0.06%F.S/℃
Zero Error≤±0.5%F.S
Total Error≤±0.75%F.S
Medium CompatibleAir or non-corrosive gas
Output4-20mA, RS485, 0-5V, 0-10V, 0.5-4.5V
Power Supply10-30Vdc
Electronic ConnectionPG-9 / PG-13.5 / 1/2" wire opening
Pressure Port3/16" gas mouth with 1/4" hose
Response Time<1ms
AdjustmentLocal zero and span calibration
Pressure TypeDifferential pressure
Weight347.5g
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