Overview The EL-53200 Battery Enclosure Seal Pressure Tester (BESPT) is used for low pressure leak testing on battery electric vehicle (BEV) battery packs for leaks as small as 10 SCCM. It is designed to perform leak tests at low pressure (-0.5 psi) to prevent damage to the battery compartment and the associated seams/seals.
Kit Components and Descriptions Battery Enclosure Seal Pressure Tester (BESPT) (EL-53200-TESTER) The main test unit contains all pressure/vacuum control hardware and firmware for testing. The tester has interfaces for connecting the Hoses, Power Supply, and USB cable to vehicle components and computer (not provided).
To perform a firmware update the tester must be connected to the host PC using the 10ft. USB cable (EL-53200-USB). (Note: The 12V power supply is not required to perform firmware updates.) After the unit is connected, click the Begin Update button to proceed. After the firmware update has been installed the window will close automatically and setup will finish.
Make sure the surfaces around and under the vent mounting location are clean of debris (see Fig. 3). Push down the Vent Cover Hookup Adapter (EL-53200-HOOKUP), with the rubber gasket down, over the studs and continue pushing down evenly until it fully seats (see Fig. 2).
Connect the Power Supply (EL-53200-POWER) to the BESPT. Connect the USB (EL-53200-USB) cable to the BESPT USB port and then to an open USB port on the host PC. Verify that the green PWR LED on the BESPT is on.
Connecting BESPT for Testing Application should be blank when opened. Com8 will be "RED" until connected. Press the connect button to connect to BESPT to USB port. COM8 is now connected as referenced in "Current Port" field (green). Enter VIN, Repair Order, Pack Serial Number and Pack Part Number.
Test Results (Leak Rate Display) After Leak Test is completed. See Test Result: (Leak Rate). BESPT PC Application V1.36, Tester Firmware V1.03, 10/21/2021...
Smoke Diagnostics (For Failed leak test) Smoke Diagnostic Procedure: Start the BESPT Smoke Diagnostics by clicking on the "Smoke Diagnostics" button on the PC application. Enable the smoke generator flow. Temporarily disconnect the Smoke Hose Adapter from the Vent CoverAdapter. Wait until thick smoke is coming out of the hose then re-connect the Smoke Hose Adapter to the Vent Cover Hookup Adapter.
Adapter Smoke Hose Adapter installed on the battery pack. Connect the Smoke Hose Adapter (EL-53200-SMOKE HOSE) to the end of the smoke generator hose using the rubber cone adapter (See Fig. 5). Smoke Machine Output Hose Plug the quick connect side of the Smoke Hose Adapter to the Hookup Vent Cover Adapter.