KELLER HPX High-Pressure Calibrator 700 Bar

Introduction – KELLER HPX High-Pressure Calibrator 700 Bar

The KELLER HPX High-Pressure Calibrator 700 Bar is a compact, highly accurate hydraulic pressure generator designed for precise calibration of mechanical and electronic pressure measurement devices. With its integrated screw compressor and digital display, the calibrator enables fast, stable, and finely adjustable pressure generation up to 700 bar using hydraulic oil. Its robust construction and field-ready design make it suitable for demanding industrial environments where accuracy and reliability are essential.

This instrument is engineered for professionals who require dependable calibration performance, offering features such as zero-point adjustment, peak-and-trough pressure display, and leak measurement functionality. The built-in USB interface allows seamless connection to a computer for real-time pressure display, data storage, and processing.

The durable housing, protected to IP65 and made from Polyamide 12, ensures long-term operation even in harsh conditions. Supplied with a full set of adapters, accessories, and a protective carrying case, the HPX calibrator is ideal for on-site service work, laboratory use, and industrial calibration tasks.

Dubai Sensor supports engineers and technical teams across the UAE and MENA region by providing reliable access to advanced calibration equipment such as the KELLER HPX series, ensuring precise measurement workflows and professional calibration standards.

Key Features & Benefits

• Hydraulic pressure generation up to 700 bar
  
• High accuracy: <0.05% FS (10–40 °C)
  
• Fast pressure build-up with integrated screw compressor
  
• Peak and trough pressure value display
  
• Zero-point adjustment function
  
• Leak measurement capability
  
• Real-time PC connection via USB interface (K-114A)
  
• Robust IP65 housing for harsh environments
  
• Long battery life: >2000 hours continuous
  
• Supplied with adapters (G 1/4" → G 3/8" & G 1/4" → G 1/2")
  
• Portable design with durable carrying case
  

Technical Specifications – KELLER HPX High-Pressure Calibrator 700 Bar

Standards & Certifications

• CE compliant
  
• RoHS compliant
  

Applications & Industries

• Calibration of mechanical pressure gauges
  
• Calibration of electronic pressure sensors
  
• Maintenance and verification of process instrumentation
  
• Field calibration for industrial service teams
  
• Laboratory pressure calibration tasks
  
• Oil & gas, process automation, hydraulics, and industrial maintenance sectors
  

Professionals in the UAE and MENA region benefit from the HPX calibrator’s reliability, especially in high-pressure industrial systems requiring precise verification.

Installation, Commissioning & Maintenance

• Connect the test object directly via the G 1/4" port or supplied adapters.
  
• Use the integrated screw compressor to build pressure gradually and precisely.
  
• Monitor pressure directly on the digital display or through the USB connection to a PC.
  
• Utilize zero-point adjustment before measurements if needed.
  
• Apply peak/trough and leak-test functions as required during calibration tasks.
  
• Replace the CR2430 battery when indicated; expected lifetime exceeds 2000 hours.
  
• Keep the device clean, protected in its carrying case, and operate only within the specified temperature and humidity ranges.
  

Why Choose KELLER HPX High-Pressure Calibrator 700 Bar

The HPX series is developed by KELLER, a recognized specialist in precision pressure measurement. The integrated pressure generator and display system streamline calibration workflows, reducing setup time and improving measurement consistency. The high accuracy (<0.05% FS) ensures confidence in every calibration task.

Its rugged design, long battery life, and comprehensive accessory set make it a dependable tool for both field engineers and laboratory personnel. With support from Dubai Sensor, sourcing and maintaining high-performance calibration equipment becomes straightforward and reliable.

Ordering Guide

To order the KELLER HPX High-Pressure Calibrator 700 Bar:

1. Confirm the required pressure range (0…700 bar model).
   
2. Verify compatibility with your test devices using the included adapters:
   
• G 1/4" → G 3/8"
  
• G 1/4" → G 1/2"
  
3. Ensure you require USB data communication (K-114A interface included).
   
4. Review environmental limits for your application (0–50 °C, IP65).
   
5. Check that hydraulic oil HLP 22 BP is compatible with your testing environment.
   
6. The calibrator is supplied with all accessories, test record, and instructions — no extra items are needed for standard operation.
   
7. Dubai Sensor serves as an official distributor for advanced industrial measurement solutions, including the KELLER HPX series.

FAQ

Q1: What is the pressure range of the HPX calibrator?

The HPX model provides a pressure range of 0…700 bar using hydraulic oil.

Q2: What is the accuracy of the HPX calibrator?

Accuracy is <0.05% FS within 10–40 °C, and <0.1% FS across 0–50 °C.

Q3: What medium is used for pressure generation?

The calibrator uses hydraulic oil (HLP 22 BP) for generating high pressure.

Q4: Can the HPX display be connected to a computer?

Yes. It includes a USB Interface Converter K-114A for direct PC display and data processing.

Q5: What types of threads can be connected to the pressure port?

The device has a G 1/4" pressure port, and it includes adapters for G 3/8" and G 1/2".

Q6: What is the overpressure limit of the HPX?

The calibrator has an overpressure rating of 840 bar.

Q7: How long does the battery last?

The CR2430 battery provides >2000 hours of continuous operation.

Q8: Is the HPX suitable for field use?

Yes. It has an IP65 housing, weighs around 4 kg, and comes with a durable carrying case, making it portable and field-friendly.

Q9: What additional functions does the HPX offer?

Verified functions include:

• Zero-point setting
  
• Peak and trough pressure display
  
• Leak measurement
  

Q10: What is included in the scope of delivery?

The HPX is supplied with:

• Calibrator (oil-filled)
  
• Carrying case
  
• Spare CR2430 battery
  
• G 1/4" → G 3/8" adapter
  
• G 1/4" → G 1/2" adapter
  
• Allen keys
  
• USB interface converter K-114A
  
• 5-point test record
  
• Operating instructions