Best Offline Tester

...5V Power Supply, Fuel Injector Test, Positive/Negative Test, Setting, Online Update.【Test Applications】Continuity Test, Signal Circuit Test, Activate Components in You Hand/Vehicle/W/Ground, Check for Bad Ground Contacts, Follow&Locate Short Circuits, Trailer Lights and Connection Test..
2.【Power Circuit Probe Tester with Fast Intelligent Test】Automotive circuit tester can automatically identify the voltage value, resistance value, and positive and negative polarity of the detected circuit (red light is positive, green light is negative)..
3.【Automotive Circuit Tester with Digital Multimeter Mode】Automotive circuit tester contains the common parameters of multimeters, and can quickly test the DC voltage, resistance, and diode in the circuit system, current, and frequency, bringing a lot of convenience to users..
4.【Electrical Tester with Oscilloscope Function】Circuit probe tester with 6M extension test lead, can display the parameter curve diagram of the tested component, such as voltage, frequency, time, etc. Users also can observe the test results more directly by adjusting the displayed interval..
5.【Power Circuit Tester Kit with Component Activation Function】There is 4 activation modes for the component activation function of the ....

OTDR Tester SM 1310/1550nm 32/30dB with SC FC ST LC Adapters, Multi-function Fiber Optic Tools OTDR +OPM+VFL+OLS+Event Map, 7-inch Touch Screen One Key Operation (Blue)

OTDR, Optical Power Meter, Visual Fault Locator, Optical Light Source, Event Map (IOLM), All in one Multi-functional OTDR Fiber Tester with 7-inch capacitive touching screen, able to meet FTTX testing needs.
Integrated design, smart and rugged – This OTDR supports both Multi-measuring mode and Realtime measuring function, finish measurement by just one button. You can choose measuring unit from Meter, Feet and Mile in Setting.
Data simulation analysis software is included to process, generate and print report. It’s convenient to preview the curve from computer, offline curve analysis and preview and print curve.
Integrated with 2 main USB and one sub USB port, for controlling by PC or connect external instrument.
8G internal memory can store more than 80000 groups curve.
Small and light (230×185×70mm /1.5kg), easy to carry and use in outdoor field work.
large battery capacity (7.4V/6.6Ah lithium battery) ensures longer continuous working hours (8-10 hours).

✔ 【Wide Range of Application】The inline spark plug tester is a must have diagnostic tool for any engine with a spark plug, it fit for all internal and external combustion engines, cars, trucks, motorcycles, lawnmowers, chainsaws, trimmers, snow-blowers, generators engines etc. Spark plug tester apply to any household, business, mechanic, industrial and commercial spark plug use in engine..
✔ 【Quick Diagnostic】This spark plug ignition tester can help you quickly and easily to diagnose ignition and engine issues and defects. Pass diagnose ignition/ engine outboard motor issues or a fault in the fuel delivery system, to troubleshoot problem exists in spark plug connections, contact points, bad cables problem..
✔ 【Light Indication】Spark plug engine ignition tester tool connect the spark plug and the plug wire and start the engine. Easily test ignition circuit continuity at each cylinder. By light indicator shows of spark plug engine ignition tester to determine which cylinder is causing the issue and track down the exact cause..
✔ 【Premium Materials】The spark tester probe is made of quality plated shaft,....