D620 Flow Tester

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D620 Flow Tester

The next generation of flow measurement.

After 40 years, and 135,000 testers installed in more than 5,000 customers worldwide, ATEQ presents its revolutionary leak tester: D620

The D620 has a new electronic module, new measurement module, new interface and new accessories to improve your quality control.

The D620 flow testing contains the latest leak testing technology that will guarantee you the fastest and most accurate leak/flow testing cycle on the market.

  • Large Color Display
  • Maximum Performance
  • Small & Compact
  • Gigantic memory to store all trial parameters & tests
  • Great for FLOW CONTROL (cookers, oven, valves, gas taps, burners, lighters)
    LEAK DETECTION (gear boxes, hydraulic components, motors)
    CONTROL (aerosols, injectors)


Main Features:

• Flow measurement in direct or indirect testing
• Continuous measuring mode
• Wide flow measurement range
• USA, S.I. and customer units
• Measurement in standard or customised conditions
• Recalculated flow at the nominal pressure
• Measurement element fully integrated into one module
• 128 programs
• Mechanical or electronic regulator from vacuum to 10 bar
• setting on line (via USB)
• 2 languages (English + other one)
• Manual calibration on front panel with calibrated leak
• Data storage on internal memory or USB key


• ROHS standard

Flexible communication format

• RS232: Printer, modbus RTU
• Slave USB: PC supervision (WinAteq 300, sesame)
• Master USB: USB key to transfert (parameters, results, …)
• Option Fieldbus: Profibus, devicenet, profinet, Ethernet/IP, Modbus RTU


Technical Specifications

PhysicalWeight: approximately 7 kg
InterfaceGraphic color screen with simple and intuitive
menu-driven operator controls
SMARTKEY: programmable key with user’s functions
External electrical supplyVoltage: 24 V DC / 1.6 A
Mains adapter included (110-230 V AC)
Air supplyClean and dry air required
Air quality standard to be applied (ISO 8573-1)
TemperatureOperating: 0°C à +45°C
Storage: 0°C à +60°C

Measurement ranges

RangeAccuracy  Max. resolution L/h
1 l/h+—(2.5%F + 0,001 l/h)0.001
5 l/h+—(2.5%F + 0,005 l/h)0.001
30 l/h+—(2.5%F + 0,03 l/h)0.01
80 l/h+—(2.5%F + 0,08 l/h)0.01
150 l/h+—(2.5%F + 0,15 l/h)0.1
500 l/h+—(2.5%F + 0,5 l/h)0.1
1,500 l/h+—(2.5%F + 1,5 l/h)1
4000 l/h+—(2.5%F + 4 l/h)1
10.000 l/h+—(2.5%F + 10 l/h)1

Product Parts, Options & Accessories

Standard features of our instruments can be completed with optional accessories that will enhance your test station and in most cases make you save time and money.


• 9 inputs / 5 local outputs compatible with 5 series instruments
• Electronic regulator
• 6 inputs/ 6 outputs 24 V programmable for external automation
• External capillary: closed to test port
• Double capillary
• Shut off / dumping / by-pass valve
• 2 pneumatic outputs for control of sealing connectors
• Memory card for archiving results (1 million)


• Simple remote control TLC 60 connexion I/O
• Advanced remote control TLC 600 connexion master USB
• USB key for parameters access
• Y valve
• WinAteq 300 software
• Leak calibrator
• Master jets
• Vacuum pump
• Sealing connectors

Please refer to ATEQ accessories list


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