YJJ NPI-19A-CZ021GH Pressure Sensor Is Used In Biomedical Instruments With A Pressure Of 2.5 Psi

Product Description:

YJJ NPI-19A-CZ021GH Pressure Sensor Is Used In Biomedical Instruments With A Pressure Of 2.5 Psi

Features:

Main parameters and applications of the NPI-19A-CZ021GH pressure sensor are as follows:
Parameter Description
‌Working Pressure‌: 17.2 KPa
‌Output Voltage‌: The output voltage varies depending on the configuration. For example, the constant current excitation version can provide a current output of 1.5mA.
Power supply voltage: Some configurations support 10V power supply.
Working temperature: Up to 125℃
Packaging form: Utilizes an oil-filled core structure
Interface Type: Supports flexible wiring or N-type ports
Main application
‌Sedimentation monitoring‌: Suitable for displacement monitoring in scenarios such as railway tracks and building foundations.
Suitable for harsh environments: Equipped with medium isolation and oil-filled core design, it can withstand high humidity, vibration and other harsh working conditions.

NPI-19A-CZ021GH Pressure Sensor Detailed Specifications
The NPI-19A-CZ021GH is an industrial-grade pressure sensor from the NPI-19 series of NovaSensor, a brand under Amphenol. It is mainly designed for low-pressure measurement scenarios, adopting dielectric isolation technology and piezoresistive sensing process, which combines high precision and high reliability. The following are its detailed parameters and key information:
1. Core Technical Parameters
1.1 Pressure-related Parameters
Measurement Type: Gauge Pressure
Standard Measuring Range: 0~2.5 psi (equivalent to 0~17.2 kPa, 1 psi ≈ 7 kPa)
Maximum Overload Pressure: 3 times the rated pressure (for constant current power supply), 2 times the rated pressure (for constant voltage power supply)
Static Accuracy: ±0.1% FSO (typical value), ±0.5% FSO (maximum value), including linearity, repeatability and hysteresis errors
Temperature Compensation Range: 0~70℃ (32~158°F), the maximum temperature error after compensation is ≤0.75% FSO

Environmental and Physical Parameters
2.1 Environmental Adaptability
Operating Temperature: -40~125℃ (-40~257°F)
Storage Temperature: -40~125℃ (-40~257°F)
Humidity Adaptability: No clear indication, it is recommended to avoid condensing environment (compatible with conventional industrial humidity)
Vibration Resistance: Supports conventional industrial vibration environment at a frequency of 20~2000Hz (specific values not specified, refer to series characteristics)
Shock Resistance: Supports industrial-grade shock strength under 11ms pulse (refer to the 100g shock resistance characteristics of the series)
2.2 Physical and Structural Parameters
Main Material: 316 stainless steel isolation diaphragm, compatible with 316SS adaptive media (strong corrosion resistance)
Dimension Specifications: Cylindrical structure, diameter 18.8~19mm, length 7~7.1mm (standard NPI-19 series size)
Weight: Approximately 10 grams (lightweight design, easy for integration)
Pressure Port: No built-in port (needs to be matched with an adaptive port module), supports welded seal/side seal design, optional thread interfaces such as 1/2"-20 UNF, 1/4"-18 NPT
Sealing Specification: Type A configuration includes O-ring (size φ16.76×0.99mm) to ensure sealing performance
Packaging Form: Tube (tubular packaging), convenient for storage and transportation
3. Product Features and Application Scenarios
3.1 Core Advantages
Dielectric Isolation Design: The sensor chip is packaged in an oil-filled cavity, and the measuring medium is isolated by a stainless steel diaphragm to avoid chip damage caused by corrosion or pollution
Advanced Technology: Adopts Senstable® piezoresistive sensing technology, and the hybrid ceramic substrate integrates a temperature compensation resistor network, with excellent stability
Dual Power Supply Modes: Supports constant current (1.5mA) or constant voltage (10V DC) power supply, adapting to different system design requirements
Long Service Life: The pressure cycle life is about 10 million times, with small long-term drift and strong durability in industrial scenarios
3.2 Typical Applications
Liquid/gas pressure control systems, industrial process detection and automatic control
Energy management, environmental protection and water treatment systems (such as bridge water level detection)
Marine navigation systems, refrigeration and oxygen generation equipment, diesel engine systems, agricultural machinery equipment
HVAC (Heating, Ventilation and Air Conditioning) systems, biomedical instruments and other low-pressure and high-precision measurement scenarios
4. Supplementary Notes
This model belongs to the low-pressure model of the NPI-19 series. For higher measuring ranges (such as 0~300 psi), you can refer to the NPI-19 VC model of the same series. For detailed pin definitions, port adaptation schemes or complete temperature error curves, you can refer to the official NPI-19 series technical manual of Amphenol, or contact the brand's authorized agents for customized support.

Specifications: