Description
Product Overview
The SNAKOL SK-505A is a versatile 2‑in‑1 measurement instrument that merges a high‑precision insulation resistance tester with a full‑featured digital multimeter. Housed in a rugged blue and black ABS case measuring 7.5 x 3.5 x 2.2 inches, the device meets CAT III 600V safety standards, ensuring reliable performance in industrial environments. Powered by two 3.7V rechargeable lithium batteries (included) with a dedicated charger, it delivers up to 20 GΩ insulation resistance measurement, 1000 V rated voltage, resistance, capacitance, diode testing, and a backlit LCD for low‑light work. The unit weighs just 1.92 lb, making it portable for field technicians.
Usage
Designed for electricians, maintenance engineers, and HVAC technicians, the SK-505A excels in troubleshooting wiring faults, verifying motor insulation, and performing routine electrical inspections. Its auto‑range capability simplifies measurements on residential circuits, commercial panels, and industrial machinery. The backlit display and ergonomic layout allow accurate reading in dimly lit basements, conduit tunnels, or outdoor installations. 
Why Choose Us
SNAKOL combines decades of measurement expertise with modern battery technology, delivering a tool that reduces the need for multiple devices. The built‑in safety compliance (CAT III 600V) and robust construction meet demanding professional standards. Each unit ships with a comprehensive accessory kit—test leads, alligator clips, protective bag, and charger—so users can start working immediately. Backed by a one‑year warranty and responsive Amazon after‑sales support, the SK-505A provides confidence and value for every job.
Key Features
- Dual functionality: insulation resistance tester up to 20 GΩ and full‑range digital multimeter
- CAT III 600V safety rating for reliable use in industrial and commercial settings
- Rechargeable 3.7V lithium batteries with included charger for extended field operation
- Auto‑ranging measurement and backlit LCD for quick, accurate readings in any lighting
- Complete accessory set: test leads, alligator clips, protective bag, manual, and charger
FAQ
What types of measurements can the SK-505A perform?
The device measures insulation resistance (up to 20 GΩ), voltage (up to 1000 V), resistance, capacitance, diode voltage, and includes continuity testing with audible alerts.
How long does the battery last on a single charge?
With typical field use, the rechargeable lithium batteries provide up to 12 hours of continuous operation before needing a recharge.
Is the tool suitable for residential electricians?
Yes, the SK-505A meets CAT III 600V standards, making it safe for both residential and commercial electrical work, including troubleshooting wiring and verifying appliance insulation.
Can I use the device without the included batteries?
The SK-505A is designed to operate exclusively on its internal rechargeable batteries; no external power source is required.
What warranty and support are offered?
SNAKOL provides a one‑year limited warranty and Amazon after‑sales service, including refunds or replacements if the product does not meet expectations.








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