
( Brand: Pfeiffer ), ( Manufacturer Part Number: PTR26951A )
The Pfeiffer PTR26951A Vacuum TPR 280 Pirani Transmitter is a high-performance, compact vacuum measurement instrument designed for various industrial applications. This transmitter is engineered to provide precise and reliable vacuum readings in a user-friendly package.
Constructed with a robust, corrosion-resistant thermowell, the PTR26951A is built to withstand the rigors of high-vacuum environments. The thermowell is made of TPR 280 material, a high-temperature, abrasion-resistant material that ensures longevity and durability even under demanding conditions.
The heart of the PTR26951A is its Pirani sensor, which employs a heated filament to measure pressure by detecting the resulting ionization of gas molecules. This design provides a wide measurement range, from 10 -1 mbar up to atmospheric pressure, with an exceptional accuracy of 1%.
The PTR26951A is equipped with a 4-20 mA output signal, making it easy to integrate with a wide variety of control systems and data acquisition devices. Additionally, it comes with a digital display for local pressure readings, and it can be configured for various units of measurement (mbar, Torr, Pa, etc.) to suit your specific requirements.
With its advanced design, high precision, and user-friendly features, the Pfeiffer PTR26951A Vacuum TPR 280 Pirani Transmitter is an ideal choice for vacuum measurement applications in industries such as semiconductor manufacturing, vacuum coating, pharmaceuticals, and more. Whether you need to monitor pressure during pump-down processes, control vacuum processes, or ensure consistent product quality, the PTR26951A delivers the accuracy and reliability you require.
The Pfeiffer PTR26951A Vacuum TPR 280 Pirani Transmitter is a high-precision instrument used in vacuum technology for pressure measurement. Let's discuss its pros and cons to help you make an informed decision.
Pros:1. High Precision: The Pirani gauge offers high accuracy and precision for pressure measurements in the low-pressure range (10 -3 to 10 -1 mbar).
2. Wide Measuring Range: The PTR26951A covers a wide range of vacuum levels, from 10 -3 to 10 -1 mbar, making it suitable for various applications in vacuum technology.
3. Rugged Design: The device is built to withstand harsh conditions, ensuring durability and long-term performance.
4. Self-Calibration: The transmitter has an automatic self-calibration feature, which eliminates the need for manual calibration and reduces maintenance requirements.
5. Digital Output: The digital output makes it easy to integrate the transmitter into various control systems.
6. Reliable: Pfeiffer is a well-known and trusted brand in the field of vacuum technology, ensuring the reliability of the PTR26951A.
Cons:1. Cost: The PTR26951A is a high-end instrument and may be more expensive than lower-end vacuum pressure transmitters.
2. Complexity: The device may be more complex to set up and operate compared to simpler vacuum pressure gauges.
3. Requires Calibration: While it has an automatic self-calibration feature, regular calibration is still necessary to maintain its accuracy.
4. Specific Measuring Range: The device is designed for low-pressure measurements and may not be suitable for applications requiring high-pressure measurements.
In conclusion, the Pfeiffer PTR26951A Vacuum TPR 280 Pirani Transmitter is a high-quality and reliable instrument for vacuum pressure measurements. Its wide measuring range, high precision, and digital output make it a valuable tool for various applications in vacuum technology. However, its cost, complexity, and specific measuring range should be carefully considered before making a purchase decision.
Recommendation: If you require high-precision and wide-range vacuum pressure measurements in your application, and are willing to invest in a reliable and durable instrument, the Pfeiffer PTR26951A Vacuum TPR 280 Pirani Transmitter would be a suitable choice. If cost is a concern or if your application requires high-pressure measurements, you may want to consider other, less expensive vacuum pressure transmitters or gauges.
One has a cracked plastic see picture. Lot of 2 Pfeiffer vacuum TPR 280 Active Pirani Transmitters PTR26950A PTR26951A These are Untested sold as is for parts. Includes tool pictured.