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Pressure Comparator (AH Series) High Stability | Precision Calibration | Maintenance-Free Operation

The AH Series Pressure Comparator is a precision instrument designed for accurate calibration and comparison of pressure gauges, transmitters, and sensors. Built for stability and ease of operation, it provides a reliable pressure source for testing and calibration without the need for complex setups.

Engineered with robust construction and smooth pressure generation, the AH Series ensures consistent and repeatable performance in both laboratory and field environments.

Calibration of pressure gauges and transmitters
Testing and verification of pressure instruments
Laboratory and quality control departments
Maintenance and service workshops
Hydraulic and pneumatic system testing
On-site calibration and field service applications

High stability pressure generation for accurate comparison
Fine adjustment control for precise pressure setting
Rugged and durable construction for long service life
Smooth operation with minimal maintenance
Compact and portable design for field use
Suitable for both pneumatic and hydraulic applications
Leak-proof design ensuring reliable performance
Easy connection for multiple gauges

Type: Pressure Comparator / Comparison Tester
Media: Air / water / Hydraulic Oil (depending on model)
Pressure Generation: Hand-operated screw pump / fine adjust mechanism
Body Construction: Robust metal construction
Connections: Multiple test ports for gauge mounting
Sealing: Leak-proof design for stable pressure holding
Operation: Manual pressure generation with fine control
Mounting: Bench / portable type
Compatibility: Suitable for analog and digital pressure gauges

Model	Type	Pressure Range	Media	Design Type	Application
AH1-150-SS	Hydraulic Comparator	Up to 150 bar	Water / Oil	Bench	Lab Calibration
AH1-400-SS	Hydraulic Comparator	Up to 400 bar	Water / Oil	Bench	Lab Calibration
AH1-700-SS	Hydraulic Comparator	Up to 700 bar	Water / Oil	Bench	Lab Calibration
AH1-1000-SS	Hydraulic Comparator	Up to 1000 bar	Water / Oil	Bench	Lab Calibration
AH1-1400-SS	Hydraulic Comparator	Up to 1400 bar	Oil	Bench	Lab Calibration
AH1-2000-SS	Hydraulic Comparator	Up to 2000 bar	Oil	Bench	Lab Calibration
AH1-400P-SS	Hydraulic Comparator	Up to 400 bar	Water / Oil	Portable (4.5 kg)	Field & Site Calibration
AH1-700P-SS	Hydraulic Comparator	Up to 700 bar	Water / Oil	Portable (7.5 kg)	Field & Site Calibration
AH2-9000M-SS	Pneumatic Comparator	-6000 to +9000 mmWC	Air	Bench	Low Pressure Calibration
AH2-107-SS	Pneumatic Vacuum Comparator	-0.9 to 7 kg/cm²	Air	Bench	Vacuum/Compound Testing
AH2-760-SS	Vacuum Comparator	-1 to 0 bar	Air	Bench	Vacuum Calibration
AH2-LP	Very Low Pressure Pump	-2500 to +4000mmwc	Air	Portable	Magnehellic Differential Gauge