Product overview: Fluke BTL20ANG Intelligent Test Probe SetAvailable with the BT520ANG and BT521ANG, or as a standalone accessory the BTL520ANG Intelligent Test Probe Set makes Fluke 500 Series Battery Analyzers the ideal test tools for maintaining, troubleshooting and performance testing individual storage batteries and battery banks used in critical battery back-up applications. With optimized tip angles and coil placement the BTL520ANG gives you the maneuverability you need to avoid obstacles and get into narrow cabinet spaces—all while offering the same CAT II 1000V and CAT III 600V you’ve come to expect from Fluke Battery Analyzers. Fluke BTL20ANG Intelligent Test Probe Set. Key featuresAccess to hard-to-reach battery terminals using long or short probe extensions with angled measurement tipsOptimized handle and cable design so measurement probes won’t get caught or tangled on battery terminalsCAT II 1000V and CAT III 600V rated