Tenney SafeTest Battery Test Chamber by Blue M
| Brand | Blue M |
|---|---|
| Origin | USA |
| Model | SafeTest Battery Test |
| Temperature Range | -68°C to +180°C |
| Uniformity | ±1.0°C |
| Stability | ±1.0°C |
| Deviation | ±1.0°C |
| Max Operating Temperature | 200°C |
| Internal Dimensions (W×H×D) | 521 mm × 508 mm × 559 mm |
| Type | Forced-Air Thermal Aging Chamber for Battery Safety Testing |
| Compliance Support | EUCAR Hazard Level Assessment, ISO 12405, UL 1642, UN 38.3, IEC 62133, SAE J2464 |
Overview
The Tenney SafeTest Battery Test Chamber—engineered and manufactured by Blue M (a division of SPX Corporation) in the United States—is a purpose-built environmental test system designed exclusively for the safe, repeatable, and standards-compliant evaluation of electrochemical energy storage devices under extreme thermal stress. Unlike general-purpose environmental chambers, the SafeTest platform integrates dual-layer safety architecture grounded in EUCAR (European Council for Automotive R&D) hazard classification protocols, enabling controlled simulation of thermal runaway initiation, propagation, and mitigation scenarios. Its operational temperature range spans from -68°C to +180°C, with optional extension to 200°C for accelerated aging studies compliant with IEEE 1625 and IEEE 1679 guidelines. The chamber employs forced-air convection with precision-balanced airflow distribution to ensure ±1.0°C uniformity and stability across the entire 521 mm × 508 mm × 559 mm working volume—critical for achieving high reproducibility in comparative cell-level or module-level qualification testing.
Key Features
- Redundant overtemperature protection with independent thermal cutoffs at multiple critical zones
- Explosion-relief venting system with calibrated rupture disc and pressure-sensing alarm
- Integrated inert atmosphere capability: configurable N₂ or argon purge with O₂ monitoring (0–25% range) and automated shutoff on threshold breach
- Dual-mode rapid cooldown: CO₂ injection or liquid nitrogen (LN₂) manifold interface for sub-ambient recovery post-test
- Real-time gas analysis package: simultaneous detection of H₂, O₂, CO, CO₂, and hydrocarbon vapors via electrochemical and NDIR sensors
- Modular safety alert suite: audible siren, visual strobe, dry-contact relay outputs, and remote emergency stop interface
- Automated door interlock with fail-safe mechanical lock and thermal override release
- Fire suppression integration: CO₂ or LN₂ discharge nozzles pre-routed and pressure-rated per NFPA 12 and NFPA 750
Sample Compatibility & Compliance
The SafeTest chamber accommodates cylindrical (18650, 21700), prismatic, pouch, and prototype battery formats up to 300 mm in length. Its structural design conforms to ASTM E1527-22 (Standard Practice for Environmental Site Assessments) for containment integrity and supports full traceability requirements under GLP and GMP frameworks. All safety-critical subsystems—including pressure relief, gas monitoring, and fire suppression—are validated against UL 2595, IEC 62619, and UN Manual of Tests and Criteria Part III, subsection 38.3. Documentation packages include factory calibration certificates (NIST-traceable thermocouples), FAT/SAT reports, and EUCAR-aligned risk assessment templates for customer-specific hazard level mapping (Hazard Levels 1–7).
Software & Data Management
The chamber operates via Tenney’s proprietary SafeControl™ firmware, supporting audit-ready data logging at 1 Hz resolution with timestamped metadata for all thermal, pressure, gas, and safety-event parameters. Export formats include CSV and XML for direct ingestion into LIMS or MES platforms. Optional FDA 21 CFR Part 11 compliance is available with electronic signature, role-based access control, and immutable audit trail generation. Remote monitoring is enabled via secure HTTPS interface with TLS 1.2 encryption; all communications are logged and exportable for regulatory review.
Applications
- Thermal abuse testing per ISO 12405-4 (electric vehicle batteries)
- Storage life validation under elevated temperature per IEC 61960
- Safety certification prep for UL 1642, UL 2054, and GB/T 31485
- Cell-to-cell thermal runaway propagation studies
- Electrolyte volatility and off-gas composition profiling
- Pre-qualification screening for aerospace-grade Li-ion cells (MIL-PRF-32565)
- Accelerated aging correlation with calendar-life modeling
FAQ
Does the SafeTest chamber meet UN 38.3 testing requirements for transportation safety?
Yes—the chamber’s thermal ramp profiles, dwell durations, and safety containment systems are fully aligned with UN Manual of Tests and Criteria Section 38.3, including T1–T5 thermal tests and integrated venting for T6 pressure-rise scenarios.
Can the system be integrated into an existing facility exhaust and fire suppression infrastructure?
Absolutely—standardized 6-inch duct interfaces, 4–20 mA analog outputs for HVAC coordination, and dry-contact relays for third-party suppression activation are provided as base configuration.
Is remote operation supported during hazardous test phases?
Yes—fully isolated Ethernet and RS-485 interfaces allow unattended operation with real-time event notification via email/SMS and automatic test suspension on any safety threshold violation.
What documentation is delivered with the system for quality system audits?
Each unit ships with IQ/OQ documentation, calibration records (including sensor drift verification), material certifications for all wetted parts, and a completed EUCAR hazard matrix signed by Tenney’s certified functional safety engineer.
