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Hydrogen Leak Detectors

Electrolyte Sniffer Leak Detector – BES4000

INFICON

  • Precise leak detection for battery modules and packs
  • Detects smallest traces of electrolyte vapors
  • Identifies defects leading to battery degradation
  • Pinpoints leaking cells for efficient rework
  • Localizes microscopic leaks for manufacturing feedback

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Description Vendor

The BES4000 Electrolyte Sniffer Leak Detector is a precise and advanced leak detection system designed for battery modules and packs. It utilizes electrolyte sniffing technology to detect even the smallest traces of electrolyte vapors escaping from defective cells, ensuring high battery safety in electric vehicles. This system enhances the longevity of battery packs by identifying defects that could lead to rapid degradation, ultimately reducing warranty costs. The BES4000 supports various testing methods, including accumulation testing within closed battery packs, and is compatible with large-format packs and cell-to-pack architectures. It features a color touchscreen display for intuitive navigation, a calibration port for easy operation, and a sniffer probe with a dual-inlet design to minimize false alarms and enable precise leak pinpointing. The BES4000 is ideal for end-of-line leak testing and complements the ELT Vmax for a complete quality control solution, ensuring reliable and efficient battery production.

Use Cases

  • Leak testing of assembled battery packs
  • Final Assembly Rework
  • Cell Manufacturing Feedback
  • Future-Ready (supports large-format packs and cell-to-pack architectures)
  • Not relevant to hydrogen

Capabilities

  • Pinpoints electrolyte leaks
  • Supports accumulation testing within closed battery packs
  • Ensures high reliability in detecting smallest gas leaks
  • Reduces costly waste
  • Detects even the smallest defects before they become critical
  • Can be flexibly integrated into various production environments
  • Supports both integral inline testing and targeted localization for rework
  • Creates a closed feedback loop with ELT Vmax for reliable quality control
  • Provides intuitive HMI with easy menu navigation
  • Offers flexible configuration options for various applications
  • Includes leakage rate trend indicator for clear visualization
  • Enables efficient detection process with optimized usability
  • Calibration starts automatically
  • Fast function testing with just one step
  • Maximum reliability through simple sniffer tip insertion
  • Offers USB interface for easy data transfer and storage
  • Simple software updates performed by trained staff
  • Provides variety of analog and digital interfaces via I/O module
  • Bus modules for integration into local networks
  • Dual-inlet design minimizes false alarms and enables precise pinpointing
  • LED lights in the sniffer probe notify the user when the allowable leakage rate is exceeded
  • Finding smallest leaks thanks to high sensitivity
  • Sensor only reacts to electrolyte vapors
  • Preventing false alarms due to background with dual inlet
  • High durability with long-life infrared sensor
  • Quick response time for accurate pinpointing of leaks
  • Fast recovery from gross leak for high uptime
  • Calibrated leak rate traceable to national standards
INFICON INFICON, a global supplier of leak detection and gas analysis solutions with decades of expertise identifying hydrogen gas at the lowest concentrations, provides advanced leak detection technology enabling both quality assurance of hydrogen production systems and components as well as real-time hydrogen detection of even the smallest leaks, minimizing accident risk and ensuring production system integrity. The company's Sensistor Sentrac Hydrogen Leak Detector locates and quantifies a wide range of leaks faster and more accurately than soap spray or helium leak detection methods, serving critical applications across hydrogen electrolyzer stacks (where numerous cells with membranes, electrodes, and seals must be monitored to prevent dangerous leaks), compressed hydrogen storage (regularly inspecting compressor housings, seals, and pistons), and piping/gas manifolds where hydrogen's tiny molecular size can escape through the smallest holes in fittings, joints, and valves. INFICON's Strix hand probe, introduced for automotive applications including engine assemblies, air-conditioning systems, battery cases, brake lines, and fuel systems, is 30% lighter and 12.5% smaller-tipped than previous handheld probes, using complex algorithms to shorten measurement times, improve accuracy, and speed recovery times when connected to the Sentrac Hydrogen Leak Detector with a non-flammable hydrogen-nitrogen tracer gas mixture. As hydrogen production and applications continue expanding globally, INFICON's comprehensive leak detection portfolio -- spanning production, transportation, and storage pathways -- supports the safe deployment of hydrogen infrastructure by identifying potential leak points before they develop into major hazards or resource losses.
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