Pressure leak tester K7090

absolute pressure decaydifferential pressure decayvacuum

Overview
The K7090 Dual Absolute® air leak tester integrates ForTest's patented Dual Absolute® technology to address limitations of traditional differential systems. The unit consolidates four measurement modes (Absolute Decay, Classic Differential, Dual Absolute, Zero Central) and extensive configurability for production and laboratory environments.

Key features

• Patented Dual Absolute® measurement principle
• Four integrated measurement modes for versatile leak testing
• 5.7" color capacitive touchscreen in tempered glass panel
• Dynamic LED cycle bar and backlit keypad for production use
• High-precision manual pressure regulator included (electronic regulator optional)
• Stäubli® quick fitting for verification with calibrated leaks
• Storage for up to 300 test programs
• Standard Bluetooth Low Energy and USB; optional Wi‑Fi and industrial protocol modules

Application sectors

• Refrigeration
• Medical devices
• Mechanical components
• Hydraulic / oleodynamic systems
• Packaging
• Pneumatics

Pneumatic and measurement capabilities

• Pressure ranges handled: -1 to 15 bar
• Supports pressure and volumetric leak measurement methods
• Measurement scales and resolutions from 0.001 mbar up to 0.1 mbar depending on range
• Leak measurement range: 0–10 cc/min, resolution 0.01 cc/min
• Volume measurement: 0–500 cc, resolution 0.1 cc

Connectivity and integration

• Standard interfaces: RS232, RS485, USB (master/slave), Bluetooth Low Energy
• Ethernet and Wi‑Fi optional; industrial protocol modules available (Profinet, EtherNet/IP, EtherCAT)
• SB Uporta for data logging and firmware updates; options for I/O expansion and SCADA/MES integration

Accessories & options (selection)

• External discharge solenoid valve with filter
• Various pneumatic valve configurations (3-way, 5-way, pilot, fast filling)
• External start/abort panels, foot pedal, barcode reader, label printer
• Stäubli® male/female connectors, precision micrometric valves
• Leak Test Manager and Data Manager T-Series software
• Communication protocol and I/O expansion modules

Technical specifications (excerpt)

• Measurement modes: Absolute Decay, Classic Differential, Dual Absolute, Zero Central
• Accuracy (Dp): 0.5% RDG + 3 DGT
• Differential ranges: typical lower ranges 0–65 mbar; higher ranges up to 0–650 mbar depending on scale
• Dp resolution: 0.001–0.1 mbar depending on range
• Direct pressure accuracy: 0.5% FS; direct pressure resolution typically 0.1 mbar
• Leak accuracy (cc/min): 1% RDG + 0.03 cc/min; leak range 0–10 cc/min
• Volume accuracy: 1% RDG + 2 cc/min; volume range 0–500 cc
• Dimensions: L 220 mm × H 140 mm × D 250 mm; weight: 4 kg
• Display: 5.7" color capacitive touchscreen, 800×480 px
• Operating temperature: 5–40 °C
• Ports: RS232 x2, RS485 x1, USB master/slave, optional Ethernet
• Number of programs: 300; password protection supported
• Standards referenced: EN 61010-1, EN 61326 series, EN 1779 (among others)