Greenlee 5882A 1kV Megohmmeter/Insulation Tester

The Greenlee 5882A 1kV Megohmmeter/Insulation Tester is a professional handheld instrument built for electricians, contractors, and linemen who need accurate insulation resistance testing on cables and rotary equipment. With 5 selectable test voltages (50V, 100V, 250V, 500V, 1kV), a wide measurement range up to 200 GΩ, and a rugged CAT IV 600V safety rating, the 5882A delivers reliable readings in demanding job site conditions.

Key Features & Benefits

• 5 Test Voltages (50V – 1kV): Versatile insulation testing for low- and medium-voltage cables, motors, and transformers.
• Magnetic Mount Built-In: Hands-free measurements — mount the unit on metal panels and free up both hands for safer testing.
• Hazardous Voltage Alert: Visual icon warns when live voltage above 70V is detected, protecting you on the job.
• Automatic Calculations: Built-in Polarization Index (PI) and Dielectric Absorption Ratio (DAR) calculations — no manual math required.
• 300-Entry Data Memory: Store readings for documentation and compliance reporting.
• Multi-Function Tester: Measures continuity, resistance, and frequency in one tool — fewer instruments to carry.
• Automatic Discharge: Safely discharges capacitive loads after each insulation test.
• On-Board Timer & Programmable Alarms: Run timed tests and set threshold alerts for go/no-go decisions.
• Compact, Lightweight Handheld Design: Intuitive rotary selector and large test button — easy to operate with gloves.
• Limited Lifetime Warranty backed by Greenlee.

Specifications

• Model / SKU: Greenlee 5882A
• Measurement Category: 1 kV
• Test Voltages: 50V, 100V, 250V, 500V, 1kV
• Insulation Resistance Range: 10 kΩ to 200 GΩ
• Continuity Range: <100 Ω
• Resistance Range: 0 Ω to 1000 kΩ
• Voltage Rating: CAT IV, 600V
• Display: Large LCD with analog bar graph and digital readout
• Automatic Discharge: Yes (after insulation test)
• Type: Hand Held
• Application: Insulation testing for cable and rotary equipment
• Replacement Parts: 5882A Test Lead Kit, 5882A Carrying Case
• What's Included: Test lead kit (alligator clips & test probes), carrying case with shoulder strap, manual, batteries

Buy the Greenlee 5882A in Houston & San Antonio, TX

Tool Mart is your trusted local source for professional-grade Greenlee insulation testers in Texas. Order the Greenlee 5882A online for same-day pickup at our Houston or San Antonio retail locations, or request fast local delivery to your job site. Our team supports contractors, electricians, and industrial maintenance crews across the Greater Houston area with stocked inventory, authorized Greenlee warranty support, and expert product advice.

Need help choosing the right megohmmeter for your job? Call our Houston store or visit us in person — our team is happy to help.