LED Digital Blade Fuse Current Tester Automotive Inline Circuit Tester 12V/24V Real-Time Voltage Amp Monitor Car Truck SUV Diagnostic Scan Tool

LED digital chip fuse current tester-professional automotive circuit diagnostic toolRevolutionize your vehicle electrical diagnostics with this advanced LED digital fuse tester. Designed for professional mechanics and DIY enthusiasts, this in-circuit circuit tester provides real-time voltage and current monitoring without complicated multimeter setup or wiring. Why choose our fuse current tester? Traditional circuit testing requires disconnecting wires, piercing insulation, or using multimeter probes. Our Blade Fuse Tester eliminates all this hassle - simply replace your vehicle's fuse with this smart device and get an instant digital readout. This is the fastest and safest way to diagnose any 12V or 24V vehicle electrical problem. Main features:Dual digital display: High-precision LED screen simultaneously displays real-time voltage (±0.1V accuracy) and current consumption (±0.01A accuracy)Universal Compatibility: Works with standard, mini and low profile chip fuses - suitable for cars, trucks, SUVs, RVs, marine and heavy duty vehiclesDual Voltage Support: Automatically detects and operates on 12V automotive and 24V commercial vehicle electrical systemsPlug and Play Installation: Direct replacement fuse design - no wire cutting, splicing or special tools requiredSmart Security Alerts: Visual red/green LED indicators warn of overvoltage, overcurrent and reverse polarity connectionsData Hold Feature: Captures minimum and maximum readings to help identify intermittent electrical faultsDurable Construction:Industrial-grade ABS housing withstands temperatures from -20°C to 70°C and withstands automotive fluidsSuitable for:Professional uses: Auto repair shops, fleet maintenance facilities, marine technicians and RV service centers DIY enthusiasts: Home mechanics, car restoration projects, overland adventurers and emergency roadside troubleshooters Commercial applications: Truck fleets, construction equipment, agricultural machinery and emergency vehiclesCommon diagnostic applications:Detect parasitic battery drain causing morning startup issuesVerify alternator output and charging system performanceIdentify short and overloaded circuits before they cause a fireTest amplifier, winch and auxiliary light current consumptionMonitor fuel pump, cooling fan and HVAC system operationDiagnosing trailer and tractor electrical connectionsTechnical specifications: Voltage range:DC 3V - 48V (optimized for 12V/24V systems) Current range:0.01A - 20A continuous, 30A peak Display resolution:0.01V/0.01A Update rate:Real-time 500ms refresh Fuse Compatibility:Standard ATC/ATO, Mini ATM, Low Profile APS Operating temperature:-20°C to 70°C (-4°F to 158°F) Dimensions:45mm x 20mm x 15mm (1.77" x 0.79" x 0.59") Warranty:2-year limited warranty How to use:Step 1: Locate the fuse in the vehicle fuse box for the circuit you want to test Step 2:Remove the original fuse and insert the tester in place Step 3: Start vehicle or activate circuit Step 4:Read the real-time voltage and current on the LED display Step 5:Press the data hold button to capture max/min values for intermittent issuesPackage includes:1 x LED digital chip fuse current testerSecurity warning:⚠️ Always disconnect battery before working on high current circuits ⚠️Continuous rated current should not exceed 30A ⚠️Make sure to choose the correct fuse type to avoid circuit damage ⚠️Not suitable for mains voltage or hybrid vehicle high voltage systemsUpgrade your car diagnostic capabilities today! This professional-grade tool pays for itself with an accurate diagnosis the first time, saving you hours of troubleshooting time and preventing costly misdiagnoses. Professional installation is recommended for complex electrical systems. Be sure to check your vehicle's service manual for specific fuse locations and ratings.

• [Real-time dual display monitoring] 12V/24V dual voltage compatible, LED digital display simultaneously displays voltage and current values, with an accuracy of ±0.1V/±0.01A, real-time grasp of the circuit working status, bid farewell to the cumbersome operation of traditional multimeters
• [Direct Blade Fuse Test] No need to break or disassemble, directly replace the original car blade fuse position, plug and play design, complete installation in 3 seconds, quickly diagnose short circuit, leakage, overload and other circuit faults
• [Universal for all models] Suitable for all types of 12V/24V vehicles such as cars, trucks, SUVs, RVs, etc., compatible with standard/mini/low profile blade fuses, a must-have diagnostic tool for repair shops and car owners
• [Intelligent Early Warning Protection] Overvoltage/overcurrent/reverse connection automatic alarm, red and green LED status indication, prevent circuit damage and fire hazards, and ensure the safe operation of the vehicle electrical system
• [Professional-grade durability] Industrial-grade ABS shell, temperature resistant -20℃~70℃, anti-fall and shockproof design, comes with a portable storage box, 2-year warranty, the trusted choice of auto mechanics and DIY players