Model E2

Our popular efficiency instrument (second generation), 25-40% faster compared to pressure decay. It is offered for industrial, rugged applications as well as aseptic and cleanroom applications (stainless steel). Its graphical display, real time signature graph, and touch screen make it very user friendly without risking the integrity of test set up. It comes with the option to dynamically or statically assign an IP address, enabling remote interface through your LAN.

Product Usage

  • Leak testing under pressure (max. 160 psig)
  • Leak rates of 0.1 cc/min and higher
  • Medium sized parts, higher throughput
  • Cleanroom or industrial applications
  • User friendly operator interface – stand alone applications
  • UL and CE approved


  • Micro-Flow Sensor – The Intelligent Gas Leak Sensor (IGLS)
  • Automated pressure test circuit with Balance and Quick-Fill features
  • Front TFT graphical color display with touch screen
  • Built in verification orifice (equivalent channel or diameter) and valve
  • Digital and analog I/O Interface
  • Ethernet or serial interface
  • Stainless steel enclosure for cleanroom
  • Multiple test profiles
All products ship fully calibrated. No daily calibration required.

Product Specifications

Dimensions & Access:

  • 12”W, 12”H, 12”D (Does not include connectors & fittings)
  • Expansion tank and pressure regulators are externally mounted


  • Dry, clean gases: air, nitrogen
  • For other gases, contact ATC

Applicable Micro-Flow Sensors:

Connections, I/O, & Power

  1. Power Supply:
    220VAC-50Hz (optional)
  2. Pneumatic connections:
    Test port on side of instrument
    Air supply: ¼” Swagelok
  3. Digital Inputs: 5 VDC, Opto-Isolated for start, stop, type, pressure switch, verify
    Digital Outputs: 30 VDC-20 mA,
    Opto-isolated for pass, fail, clamp, test type, exhaust and custom
    Analog outputs: single channel, 0-5 VDC pressure control
  4. RJ45 Ethernet or RS232 Serial Interface

Connection Layout:

ATC Model E2 ConnectionsClick image to enlarge.