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AMETEK PKm-354WC-SS Pneumatic Deadweight Tester

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The AMETEK PKM-354WC-SS Pneumatic Deadweight Tester is a high-precision calibration instrument designed for accurate pressure measurement in both laboratory and field environments. This floating ball type tester combines exceptional accuracy with user-friendly operation, making it an indispensable tool for professionals requiring reliable pressure calibration.

Key Features

  • Impressive range of 4 to 654 inH₂O with 1 inH₂O increments
  • High accuracy of ±0.05% of reading
  • Stainless steel weight set for durability and precision
  • Self-regulating design for automatic weight stabilization
  • Compatible with nitrogen or instrument/shop air as pressure source
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Product Overview: AMETEK PKm-354WC-SS Pneumatic Deadweight Tester

The AMETEK PKM-354WC-SS Pneumatic Deadweight Tester represents the pinnacle of pressure calibration technology, offering unparalleled accuracy and ease of use in a robust, field-ready package. This floating ball type tester is engineered to meet the demanding needs of calibration professionals across various industries, from aerospace to petrochemical.

At the heart of this instrument is its exceptional accuracy of ±0.05% of reading, ensuring reliable and consistent results across its entire operating range of 4 to 654 inH₂O. This level of precision makes the PKM-354WC-SS an ideal choice for calibrating a wide array of pressure measurement devices, from sensitive laboratory equipment to rugged industrial sensors.

The tester’s stainless steel weight set is a testament to AMETEK’s commitment to quality and longevity. These weights are designed to maintain their accuracy over time, resisting wear and corrosion even in challenging environments. The 1 inH₂O increments provide fine-tuned control over calibration points, allowing users to match specific requirements with precision.

One of the standout features of the PKM-354WC-SS is its self-regulating design. This innovative approach automatically stabilizes the weights, eliminating the need for manual adjustment of input pressure. This not only streamlines the calibration process but also reduces the potential for human error, ensuring more consistent and reliable results.

Setting up the PKM-354WC-SS is remarkably straightforward, making it suitable for both experienced technicians and those new to pressure calibration. The process involves connecting just two tubes – one for the supply and one for the unit under test – leveling the instrument using the included bulls-eye level, and adding the appropriate weights. This simplicity of operation doesn’t compromise on functionality; instead, it enhances efficiency and reduces the likelihood of setup errors.

The tester’s floating ball design, supported by a thin film of air, creates a nearly frictionless environment. This feature, combined with the overhung weight carriers that minimize side thrust and friction, significantly extends the lifespan of critical components such as the ball/nozzle and carrier. The result is a tester that not only provides accurate readings but also offers long-term reliability and reduced maintenance needs.

Flexibility in pressure source options adds to the versatility of the PKM-354WC-SS. It can operate with either nitrogen or instrument/shop air, with a maximum supply pressure of 100 psi (689 kPa) and a minimum of 30 psi (206 kPa). This adaptability makes it suitable for use in various settings, from controlled laboratory environments to field locations where compressed air might be the only available source.

The ceramic ball material and 1/4″ Female NPT connection further underscore the tester’s durability and compatibility with industry-standard equipment. These features, combined with the instrument’s overall robust construction, ensure that the PKM-354WC-SS can withstand the rigors of frequent use in diverse environments.