P50 Circuit Tester 12V 24V LED Voltage Display Polarity Frequency Test Pen Probe

Product Description

3 Working Modes LED Digital Display + Bulb, LED Only, Bulb Only The P50 Circuit Tester features 3 selectable working modes: LED digital display + Bulb mode for combined readout and visual confirmation, LED display only mode for accurate digital voltage reading, and Bulb only mode for traditional test light operation. Simple mode switch button for easy toggling between modes.

Real-time Voltage Display & Polarity Identification Accurate LCD real-time voltage display for instant diagnostic data. Dual LED polarity indicators instantly identify positive (Red LED) and negative (Green LED) circuits. Supports both 12V and 24V vehicle electrical systems for cars, trucks, motorcycles, and more.

Frequency Prediction for Injectors, Spark Plugs & Sensors Built-in frequency prediction function measures AC signals (5-30V) for fuel injector testing, spark plug diagnostics, crankshaft sensor testing, and idle motor detection. Essential for advanced electrical system troubleshooting.

Wide Application Fuse, Battery, ABS & Ignition Circuit Testing Tests fuses, battery performance, LAN circuits, Hall sensors, ABS circuits, and ignition circuits. Also supports fault code reading and circuit inspection. Metal probe tip with spring cable and alligator clip for secure connections.

Compact Design & Complete Package Ergonomic pen-style design with metal probe, LED bulb, LED digital display, mode switch button, and spring cable with alligator clip. Package includes: P50 Circuit Tester Host, Extension Cable with Alligator Clip, User Manual, and Packaging Box.

Full Product Description:

Item No: P50

P50 Vehicle Electrical System Circuit Tester

Automotive Circuit Test Pen with 3 Working Modes, Real-time Voltage Display, Polarity Identification, and Frequency Prediction. Supports 12V and 24V electrical systems.

3 Working Modes

Mode 1: LED Digital Display + Bulb Combined readout and visual confirmation

Mode 2: LED Display Only Accurate digital voltage reading

Mode 3: Bulb Only Traditional test light operation

Core Functions

Real-time Voltage Display Accurate LCD readout for instant diagnostics

Polarity Identification Red LED (Positive), Green LED (Negative)

Frequency Prediction Measures AC signals (5-30V) for injectors, spark plugs, crankshaft sensors

Fuse Detection Quick identification of blown fuses

Circuit Inspection Comprehensive circuit testing

Idle Motor Detection Tests idle motor operation

Fault Code Reading Basic fault code diagnostics

ABS Circuit Detection Tests ABS system circuits

Battery Performance Testing Check battery condition

Component Diagram

Metal Probe Precision probe tip

LED Bulb Visual test indicator

LED Digital Display Real-time voltage readout

Mode Switch Button Toggle between 3 modes

Spring Cable with Alligator Clip Secure ground connection

Package Contents

1 x P50 Circuit Tester Host

1 x Extension Cable with Alligator Clip

1 x User Manual

1 x Packaging Box