Automotive Circuit T-ester: 6–24V Voltage, LED Display and Buzzer Notification, Electrical Circuit T-ester

Product Features
Automotive Circuit Testing: Precisely diagnose 12V automotive electrical systems using this versatile probe kit, specifically engineered for accurate voltage detection and circuit continuity checks.
Durable Probe Construction: Features a hardened steel probe tip paired with an insulated handle, effectively resisting wear and electrical interference during repeated automotive d-iagnostic operations.
Compact & Portable Design: This lightweight, handheld t-ester fits easily into a toolbox or vehicle storage compartment, allowing you to quickly troubleshoot electrical issues anytime, anywhere.
Broad Application Range: Suitable for testing electrical circuits, fuses, switches, and wiring harnesses within standard 12V vehicle systems across a wide variety of automotive models.
Safe Operation Features: Thanks to its insulated handle and clear voltage rating markings, the device ensures a stable connection while effectively preventing the risk of electric shock when contacting live circuits.

We designed this versatile probe to address the common pain points users encounter when using standard automotive circuit t-esters. It delivers precise d-iagnostic results, eliminating issues—such as reading inaccuracies or fragile probes—that are frequently found in generic kits. We have reinforced the probe tip with a durable metal alloy, enabling it to effectively resist bending, deformation, and corrosion in environments where other products would typically fail. The ergonomic handle design offers a comfortable grip and ensures stable control during complex d-iagnostic tasks, allowing you to say goodbye to the stiff, slippery, and flimsy feel of inferior products. Furthermore, we have integrated a clear indicator light that remains easily visible even in dimly lit environments, ensuring you never have to resort to guesswork—as is often the case with cheap t-esters—to interpret your results.

Pro Tips: Maximizing Your Device's Potential
To get the most out of your new tool, please follow our professional maintenance recommendations:
[Device Setup] Before beginning any d-iagnostic procedure, ensure the t-ester is connected to a stable 12V power source. This not only guarantees the accuracy of voltage readings but also effectively protects the device against power surges.
[Routine Maintenance] After each use, gently wipe down the probe tip with a dry cloth. This practice helps prevent residue buildup, thereby avoiding signal detection inaccuracies that can arise over time due to accumulated grime.
[Usage Tip] It is recommended to test the circuit with the vehicle ignition in both the "ON" and "OFF" states to obtain more reliable results. This technique helps you identify intermittent faults that standard t-esters often fail to detect.
Automotive Circuit T-ester | Automotive Power Circuit Probe Kit | Electrical System D-iagnostic Tool

Product Features:
Multifunctional Integration: Highly flexible component testing | Voltage detection | Diode testing | Circuit continuity testing | Ground detection | Short circuit tracing | Polarity detection | Overload protection | Auxiliary lighting | Audible alerts. HD LCD Display: When the probe detects a positive terminal or performs a positive-side activation, the front-facing red LED indicator illuminates, and the blue LCD screen simultaneously displays the voltage reading. Conversely, when the probe detects a negative terminal or performs a negative-side activation, the front-facing green LED indicator lights up, and the blue LCD screen displays the voltage reading.
Integrated Lighting: Features an ingenious lighting design that facilitates vehicle maintenance and d-iagnostic work at night, ensuring ease and convenience during nighttime use.
Wide Compatibility: Supports the testing of all 3.5V to 36V electrical systems, covering a broad range of vehicles and equipment including passenger cars, pickup trucks, off-road vehicles, motorcycles, heavy machinery, boats, and more.

Product Specifications:
Product Name: Automotive Circuit T-ester
Model: CNBJ-823
Product Color: Red
DC Voltage Range: 3.5V - 36V
Overcurrent Protection: 8A
Rated Current: 1A - 8A
Accuracy: ±2%
Cable Length: 4.5 meters
Operating Temperature: -10℃ to 60℃ / -4℉ to 158℉
Relative Humidity: < 80%
Product Dimensions: Approx. 26 * 4 * 2.8 cm / 10.23 * 1.57 * 1.10 inches
Total Weight: 390g / 13.75 oz

Package List: 1 * Automotive Circuit T-ester, 1 * User Manual.

Note: Due to differences in lighting and display monitors, the actual color of the product may differ slightly from the images shown.