Micro differential pressure sensor NT51C series
- Brand:NOIKE-AH
- Model:NT51C
Specification
Measurement
Product Overview
The NOIKE-AH NT51C Differential Pressure Transmitter adopts a diffused silicon differential pressure sensor combined with an integrated amplifier circuit to provide stable and accurate differential pressure measurement for industrial applications.
The transmitter is equipped with a high-performance microprocessor that automatically corrects sensor nonlinearity and compensates for temperature drift, ensuring reliable measurement accuracy and stable signal output. It supports accurate digital data transmission, on-site device diagnostics, and remote bidirectional communication, making it suitable for modern industrial automation and process control systems.
With high stability, excellent dynamic measurement performance, and multiple measurement range options, the NT51C is suitable for the measurement and control of both liquids and gases in a wide variety of industrial applications.
Product Features
- Diffused silicon differential pressure sensor
- Integrated amplifier circuit
- High-performance microprocessor
- Automatic correction of sensor nonlinearity
- Temperature drift compensation
- Accurate digital data transmission
- On-site device diagnostics
- Remote bidirectional communication
- High stability and reliable performance
- Excellent dynamic measurement capability
- Multiple pressure range options
- Suitable for liquid and gas measurement and control
Product Working Principle
The NT51C Differential Pressure Transmitter operates by applying process pressure to the diffused silicon differential pressure sensor. The sensor generates a voltage signal proportional to the applied pressure.
This voltage signal is amplified and converted into a standard 4–20 mA output signal, allowing easy integration with industrial control systems.
The transmitter incorporates a power protection circuit to provide stable sensor excitation and uses a precision temperature compensation circuit to improve measurement accuracy under varying environmental conditions.
Product Applications
The NT51C Differential Pressure Transmitter is widely used in various industrial sectors, including:
- Metallurgy
- Machinery Manufacturing
- Petroleum Industry
- Chemical Industry
- Power Plants
- Light Industry
- Food Processing
- Environmental Protection
- National Defense
- Scientific Research
Why Choose the NT51C Differential Pressure Transmitter?
The NT51C combines a diffused silicon sensing element with intelligent signal processing technology to provide reliable differential pressure measurement for industrial process control.
Its temperature compensation, digital signal processing, and communication capabilities help improve measurement stability while supporting efficient system monitoring and maintenance.
With multiple measurement ranges available, the transmitter can meet the requirements of different industrial applications.
Technical Specifications
| Item | Specification |
|---|---|
| Pressure Range | 0…0.2 bar to 0…35 bar |
| Accuracy | ±0.5% FS |
| Power Supply | 24 VDC (10–30 VDC) |
| Output Signal | 4–20 mA DC |
| Long-term Stability | ≤±0.2% FS/year |
| Overload Pressure | ≤3 × Rated Pressure |
| Operating Temperature | -20 to 80 °C |
| Process Connection | Customizable |
Dimensions
Dimension Drawing (mm)

Frequently Asked Questions (FAQ)
What type of sensor does the NT51C use?
The NT51C uses a diffused silicon differential pressure sensor combined with an integrated amplifier circuit for stable and accurate differential pressure measurement.
What output signal does the NT51C provide?
The transmitter converts the sensor signal into a standard 4–20 mA output signal, making it compatible with most industrial control systems.
What media is the NT51C suitable for?
The NT51C is suitable for the measurement and control of liquids and gases.
How does the NT51C improve measurement accuracy?
The built-in microprocessor automatically performs sensor nonlinearity correction and temperature drift compensation, improving long-term measurement stability.
What industries commonly use the NT51C?
The transmitter is widely used in metallurgy, petroleum, chemical processing, power generation, machinery manufacturing, food processing, environmental protection, and scientific research.
Why Choose NOIKE-AH?
NOIKE-AH specializes in industrial pressure and flow measurement solutions, providing reliable products for industrial automation and process control.
Our product portfolio includes:
- Differential Pressure Transmitters
- Pressure Transmitters
- Pressure Sensors
- Pressure Switches
- Digital Pressure Gauges
- Flow Switches
- Flow Meters
- Temperature Sensors
We are committed to delivering accurate measurement, stable performance, and reliable industrial solutions for customers worldwide.
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Talk With Us
- [email protected]
- +86 180 5512 0225
- +86(0551)-65501008
- Address: 206, Block B, No. 2 Tianda Road, High-tech Zone, Hefei City, Anhui Province, China
- We will respond to you within five minutes.




