The Sierra Instruments Model 822-13-0V1-PVI-VI-RD is a high-quality flow meter designed specifically for measuring gas nitrogen flow rates. Features: Model: 822-13-0V1-PVI-VI-RD Voltage Output: 0-1V Pressure and Temperature Compensation (PVI) for enhanced accuracy Vortex Shedding Sensor Technology (VI) for precise flow measurement Built-in display (RD) for convenient readouts This flow meter is ideal for accurately measuring gas nitrogen flow in various applications, including industrial processes, laboratory setups, or nitrogen gas distribution systems. It offers reliable performance and can provide valuable data for optimizing nitrogen usage. Please be aware that this unit powers on, but it has not undergone professional testing. Therefore, it is being sold as is, without any guarantees or warranties. Please note that calibration or recalibration may be required to ensure optimal accuracy based on your specific application and requirements. It may show signs of normal wear and tear, such as minor scratches or scuffs, but it does not affect its performance. Please refer to the provided photos to get a better idea of the condition of the flow meter. The listing includes the following items: Sierra Instruments Model 822-13-0V1-PVI-VI-RD Flow Meter for Gas Nitrogen User Manual Take advantage of this opportunity to acquire a reliable flow meter specifically designed for gas nitrogen at a fraction of the cost of a new one. The Sierra Instruments Model 822-13-0V1-PVI-VI-RD offers excellent performance and can be a valuable asset for your nitrogen gas measurement requirements. Feel free to contact me if you have any questions or require further information about the flow meter.