⚡ Power Up Your Precision — Test Smarter, Work Safer!
The Klein Tools RT390 Circuit Analyzer is a professional-grade tester designed for North American 120V AC outlets. Featuring a large color LCD, it detects wiring faults including dual faults like open neutral and ground, inspects AFCI and GFCI devices with trip time and current measurements, and performs load testing at 12A, 15A, and 20A to identify voltage drops. Compact and battery-powered with a detachable cord and auto power-off, it’s engineered for durability and accuracy trusted by pros since 1857.
| Brand | KLEIN TOOLS |
| Power Source | Battery Powered |
| Style | Receptacle Tester w/Voltage Drop |
| Color | Orange |
| Item Weight | 7.84 ounces |
| Item dimensions L x W x H | 7.07 x 2.72 x 1.51 inches |
| Min. Operating Voltage | 135 Volts (AC) |
| Specification Met | Cat Iii 135v, Afci, Gfci, Ul, Fcc |
| Upper Temperature Rating | 55 Degrees Celsius |
| Measurement Type | Voltmeter, Ammeter, Ohmmeter, Time-based |
| UPC | 092644693632 |
| Manufacturer | Klein Tools |
| Global Trade Identification Number | 00092644693632 |
| Part Number | RT390 |
| Item Weight | 7.8 ounces |
| Product Dimensions | 7.07 x 2.72 x 1.51 inches |
| Item model number | RT390 |
| Size | One Size |
| Finish | Brushed |
| Material | Blend |
| Pattern | Circuit Analyzer |
| Shape | Rectangular |
| Item Package Quantity | 1 |
| Included Components | 3 x AAA Batteries, Instructions, and Pouch |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
