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We are leaders in the market for providing best range of pressure calibrators, Accessories, Pumps, converters and Level Transmitters

pressure calibrators

  • Pressure Ranges Low Pressure 0,85...10 bar
  • Pressure Ranges Medium Pressure -0,85...25 bar

KELLER pressure calibrators are highly accurate calibration instruments which are available for the following pressure ranges: -0.85...10 bar (LPX), -0.85...25 bar (MPX) or 0...700 bar (HPX) (special measurement ranges are available on request). The pressure generator is combined with the pressure display in a functional housing. The pressure on a test object that is fitted to the calibrator can be built up quickly, and tracking is made easy thanks to the integrated display. Measurement work is made easier by a wide range of functions, such as setting any desired pressure zero point, display of peak and trough pressure values, or leak measurements. Furthermore, the applied pressure can be displayed directly on a computer via the integrated interface (USB converter), after which it can be saved and processed or managed in any desired manner. The calibrator, including accessories, is supplied in a durable carrying case, making it ideal for assignments in the field.

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Accessories

  • Bellows Assembly: Alternative to the drying tube, this aneroid bellows attaches to cable vent tube and requires no periodic maintenance. Recommended where a slight sacrifice in accuracy can be tolerated.
  • Stabilizing Weight: Zinc prop shaft anode adapted to fit Ø21 mm O.D. of Levelgage, Acculevel, and LevelRat submersible level transmitters. Aids in corrosion resistance as well as helps ensure that the cable remains taut in turbulent conditions.

Keller America offers a variety of optional accessories designed to enhance versatility, simplify the installation, and increase the longevity of your Keller pressure or level transmitter. If you have any questions, or would like to discuss your particular application in more detail, contact Keller America today!

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Pumps

Among the many complementary accessories that enhance the usability of our pressure measurement products are our low, medium and high pressure pumps. These pumps can be used in conjunction with a secondary standard to provide accurate calibration pressures ranging from vacuum to 700 bar. Low and medium pressure pumps utilize air as the fluid and high pressure versions utilize inert calibration oil. All pumps include a fine adjust feature to enable precise pressure settings.

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converters

Many Keller pressure transmitters are now offered with modified RS485 digital communication capability. Keller provides several optional interface converters which facilitate the easy startup and use of these transmitters. Converters typically include cabling and in some cases, a transmitter power supply. Converters are available for connection to RS232 serial or USB ports. Versatile software is also included that enables setting the zero point, scaling, readout of temperature as well as pressure and even datalogging and display. Your Keller sales engineer will be pleased to discuss your specific needs regarding our interface converters.

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Level Transmitters

Keller submersible level transmitters are known for their superior reliability, reasonable cost, and ready availability. They feature small size and integral signal conditioning; simplifying installation anywhere quality liquid level sensors are needed. Best of all, Keller level transducers provide the user with an infinite combination of level ranges, several output options, and custom cable lengths, all with a standard delivery time of only 3 business days, ensuring the perfect fit for new or existing installations and monitoring equipment. They are frequently paired with a SCADA, PLC, or compatible displaycontrol system for use as a water level indicator or controller. For more information on Keller submersible level transmitters, or for assistance in choosing the best product for your project, please contact one of Keller's sales engineers.

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Water Level Loggers

A perfect marriage of proven pressure sensor technology and advanced microprocessor-based electronics, our DCX family of water level loggers is ideal for shallow or deep well water logging applications. Combining a water level logger with a temperature data logger, these instruments are designed and constructed to provide years of trouble-free service under the most demanding conditions. Keller's DCX family of submersible water level and temperature data loggers are up to the task.

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OEM Sensors Transmitters

Keller is the world's largest independent manufacturer of media-isolated, piezoresistive pressure sensors, producing in excess of 1 million units every year. Keller sensors are produced in three basic configurations: gauge pressure sensors, absolute pressure sensors and sealed gauge pressure sensors. Each of these types benefits from over 30 years of continuous development in our ISO9000:2001-accredited headquarters. Optimized mechanical packaging insures effective media isolation without degrading performance. A large percentage of OEM sensors produced by Keller are used in our own pressure transducers and pressure transmitters, so Keller understands the OEM viewpoint. Keller's designs cover a broad spectrum of applications, from medical vascular intervention systems to down hole oil tools. Whatever the requirement, Keller can provide the solution!

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indicators

A simple pressure measurement system can be configured from a Keller pressure transmitter and one of our digital pressure indicatorpower supplies. Our digital indicators are available for operation from DC or AC supply, provide a DC supply to the pressure transmitter and display the transmitter output. The display units can be chosen and scaled according to the specific transmitter in use. Certain models repeat the analog transmitter output and other models accept an RS485 digital output from transmitters so equipped. Also available are models with output relays and high-low alarm capability.

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Pressure Gauges

Keller digital pressure gauges (a.k.a. digital manometers) are a cost-effective solution in any pressure monitoring scenario where a local display is required. Features include minmax display, selectable units, 5 kHz scan rate for transient capture and data recording. These Swiss-built instruments are commonly used as fuel pressure gauges, water pressure gauges and oil pressure gauges. Almost any installation previously utilizing mechanical or hydraulic pressure gauges can benefit from an upgrade to Keller technology. Manufactured 100% in-house, Keller products incorporate advanced pressure sensor technology combined with the latest in microprocessor-based electronics, resulting in outstanding performance over a wide temperature range at reasonable cost. Whether troubleshooting hydraulics systems or setting up an air-suspension on a military vehicle, Keller digital pressure gauges make the job easier, and they last!

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Transmitters

Keller's extensive lineup of pressure transducers and pressure transmitters all utilize advanced piezoresistive pressure sensor technology. From general purpose industrial pressure sensors to automotive pressure sensors and transducers to high-flying precision pressure transducers for commercial and military aviation applications, Keller can provide an engineered solution for most pressure measurement problems. Econoline, Valueline and Preciseline transmitters are assembled to order in the US, enabling standard 3-day delivery from our Newport News, VA facility. Other models are produced at our headquarters in Northern Switzerland.

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OEM Sensors Transducers

Keller is the world's largest independent manufacturer of media-isolated, piezoresistive pressure sensors, producing in excess of 1 million units every year. Keller sensors are produced in three basic configurations: gauge pressure sensors, absolute pressure sensors and sealed gauge pressure sensors. Each of these types benefits from over 30 years of continuous development in our ISO9000:2001-accredited headquarters. Optimized mechanical packaging insures effective media isolation without degrading performance. A large percentage of OEM sensors produced by Keller are used in our own pressure transducers and pressure transmitters, so Keller understands the OEM viewpoint. Keller's designs cover a broad spectrum of applications, from medical vascular intervention systems to down hole oil tools. Whatever the requirement, Keller can provide the solution!

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