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Products Description
Nexisense YD-323 Explosion-proof Pressure Transmitter
The Nexisense YD-323 Explosion-proof Pressure Transmitter is a high-performance industrial pressure measurement device developed by Nexisense, specifically designed for hazardous environments. This device accurately measures the pressure of various gases and liquids, converting pressure changes into linear current or voltage signals for output. It is suitable for the following measurement types:
Gauge Pressure Measurement
Vacuum Pressure Measurement
Absolute Pressure Measurement
The transmitter is engineered for high precision, reliability, and a variety of interface options, making it ideal for real-time pressure data collection and monitoring in industrial control systems.
Working Principle
The core of the Nexisense YD-323 is a high-performance pressure sensing chip. The working principle is as follows:
External Pressure Application: Pressure acts on the pressure-sensitive component, causing slight deformation.
Signal Conversion: The deformation is converted into an electrical signal by the circuit.
Temperature Compensation: An internal high-precision temperature compensation circuit adjusts the signal to maintain measurement accuracy.
Signal Output: The signal is transmitted to the monitoring system via a standard interface (Hoseman connector, aviation plug, or direct wiring).
This principle ensures high precision, stability, and good adaptability to environmental temperature changes.
Structural Analysis
The Nexisense YD-323 features a compact stainless steel casing, offering resistance to corrosion, pressure, and explosion, making it suitable for various harsh environments. Key structural components include:
Pressure Sensing Chip: The core measurement element, with high precision and fast response.
Temperature Sensor: Provides real-time compensation for environmental temperature changes to ensure measurement stability.
Signal Processing Circuit Board: Amplifies, linearizes, and outputs the pressure signal.
Explosion-proof Enclosure: Made of stainless steel, with high-strength sealing to ensure safe operation in hazardous environments.
The casing design is compact, and the device offers multiple interfaces, which can be customized based on customer requirements.
Measurement Methods
The Nexisense YD-323 supports multiple measurement modes to meet various industrial site conditions:
Gauge Pressure Measurement: Measures pressure relative to atmospheric pressure.
Absolute Pressure Measurement: Measures pressure relative to a vacuum zero point.
Vacuum Pressure Measurement: Measures pressure below atmospheric pressure.
The transmitter provides output signals in current (4-20mA) and voltage (0-10V) formats, with compatibility for various industrial control systems, enabling remote monitoring and automation.
Technical Specifications
| Parameter Name | Value |
|---|---|
| Pressure Range | -0.1 to 250 MPa |
| Accuracy Class | 0.5%, 0.2%, 0.1%, 0.05% (RS485), 0.02% (RS485) |
| Power Supply | 12-36V DC (IoT version: 3.6-12V DC) |
| Operating Temperature | -10 to 50°C (Customizable to -40°C) |
| Relative Humidity | <95% |
| Atmospheric Pressure | 86-106 kPa |
| Storage Temperature | -20 to 70°C |
| Connection Thread | M20×1.5 / G1/2 / Customizable |
| Output Signals | 4-20mA current, 0-10V voltage, RS485 digital signals |
| Protection Rating | IP65/IP67 (Customizable) |
| Explosion Proof Standard | Exd IIC T6 |
Application Scenarios
The Nexisense YD-323 is widely used in various industrial fields, especially for pressure monitoring in hazardous environments:
Oil and Gas: Pipeline pressure monitoring, oil tank pressure control.
Chemical Industry: Chemical reactor pressure monitoring, liquid transport pressure measurement.
Power Industry: Steam boiler, hydraulic system pressure control.
Metallurgy and Mining: Pressure monitoring in high-temperature, high-pressure conditions.
Hazardous Environments: Suitable for pressure measurement in flammable or explosive gases and liquids, ensuring safe production.
Product Advantages
High-Precision Measurement: Accuracy up to 0.02%, meeting high-end industrial needs.
Wide Pressure Range: -0.1 to 250 MPa, suitable for diverse working conditions.
Corrosion-Resistant and Durable: Stainless steel housing designed for harsh, corrosive environments.
Multiple Interface Compatibility: Supports Hoseman connectors, aviation plugs, and direct wiring.
Smart Calibration: RS485 supports multi-point calibration, allowing for easy remote adjustment.
Flexible Power Supply: Standard version with 12-36V DC, IoT version available with 3.6-12V DC.
Explosion-Proof: Complies with industrial explosion-proof standards for safe use in hazardous environments.
FAQ
Q1: In which industrial scenarios can the Nexisense YD-323 be used?
A1: It is suitable for gas and liquid pressure measurement and monitoring in the oil, chemical, power, metallurgy, and hazardous flammable environments.
Q2: What pressure measurement methods are supported?
A2: The sensor supports gauge pressure, absolute pressure, and vacuum pressure measurements.
Q3: How is measurement accuracy ensured?
A3: The device includes a built-in temperature compensation circuit and supports RS485 multi-point calibration to ensure stable accuracy.
Q4: What types of output signals are available?
A4: The device supports 4-20mA current, 0-10V voltage, and RS485 digital signals.
Q5: How is the explosion-proof rating and safety?
A5: The transmitter features a stainless steel explosion-proof enclosure and complies with Exd IIC T6 standards, ensuring safe operation in hazardous environments.
Q6: What is the working temperature and environmental adaptability?
A6: The standard version operates at -10 to 50°C, with a low-temperature option available for as low as -40°C, and it is suitable for environments with less than 95% humidity.
Q7: How to maintain the device?
A7: Regularly clean the enclosure, check electrical connections, and calibrate periodically to maintain measurement accuracy.
Q8: Can it connect to PLC or SCADA systems?
A8: Yes, it is fully compatible with industrial control systems through standard current, voltage, or RS485 interfaces, enabling data collection and remote monitoring.
Summary
The Nexisense YD-323 Explosion-proof Pressure Transmitter combines high-precision measurement, a wide pressure range, corrosion resistance, explosion-proof safety, and industrial smart calibration, making it an ideal choice for industrial pressure measurement and control. It is suitable for various applications, such as oil pipelines, chemical tanks, power systems, high-pressure environments, and hazardous conditions, offering reliable, safe, and accurate pressure data for industrial automation, remote monitoring, and secure production.
