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EM276 Injector Tester can diagnose injector problems, you can use it on each injector individually to test stuck, leaking or burnt-out,which used 12V vehicle battery as power supply,it has 4 pulse modes and in the continuous working mode (mode 4) and can help you identify the injector good or not when you switch off the engine.^#^^#^All-Sun EM276 Professional Injector Tester Fuel Injector 4 Pluse Modes Tester Powerful Fuel System Scan Tool^#^ ^#^All-Sun EM276 Injector Tester Operation Instructions:^#^^#^Turn off the vehicle's engine ^#^Connect Black / Red Clip to the Negative / Positive terminal of battery ^#^Connect pulse output terminal to the fuel injector^#^Press the &MODE SET& key to select the desired pulse mode^#^Press the &PULSE& key, EM276 tester will output pulse to the injector, and then the pulse signal indicator will light as indication ^#^ ^#^Explanation for 4 Modes:^#^^#^Mode 1: the tester outputs 1 pulse, whose pulse width is about 250ms^#^Mode 2: the tester outputs 50 pulse, every pulse's pulse width is about 7ms^#^Mode 3: the tester outputs 100 pulse, every pulse's pulse width is about 3.5ms^#^Mode 4: the tester outputs pulse continuously at the rate of 50 pulses per about 1450ms, every pulse's pulse width is about 7ms^#^^#^All-Sun EM276 Specification:^#^^#^Power Supply: 12V vehicle battery^#^Operation Environment: 0 - 40, relative humidity < 80%^#^Storage Environment: -10 - 50, relative humidity < 85%^#^Size: 147x82x29mm (for main body only)^#^Weight: about 170g^#^^#^All-Sun EM276^#^^#^Package Includes:^#^ ^#^1pc x Carriable Bag ^#^1pc x Instruction Manual ^#^1pc x Not Include Batteries

Product Description^#^CNBJ-707 is a fast test tool to test automotive relays, so that you know the status of automotive relays. Through the continuous automobile battery (11V-15V) to the relay coil, the detector can properly check the relay contact function. The tester observes contact data, closure time, relay inertia at each test stage, etc. If the test is qualified, the green light will be on, and if the test is not qualified, the red light will be on.^#^^#^Features:^#^This tester is designed to test the condition of your car relay.^#^Test to properly control the opening and closing of the relay.^#^If the relay is abnormal the red LED will light, it's normal the green LED will light.^#^Provides a convenient and intuitive diagnostic way, time-saving and economical.^#^Small size, compact structure, easy to carry, you can test anywhere as you want.^#^^#^Note: Car battery must be 12V battery, the voltage must be between 11-15V. The coil resistance is preferably at least 20 ohms^#^^#^Specification:^#^Voltage: 12V^#^Material: Plastic & Metal^#^Color: Black & Red^#^Item Size: 12 * 6 * 2.5cm / 4.72 * 2.36 * 0.98in^#^^#^Package List:1 * Relay Tester

Features ^#^100% Brand New.^#^Color: As picture^#^Size: The test pencil length 10.2cm and line length 72cm (including clip)^#^Material: copper^#^ ^#^Package Content:^#^1 PC ^#^ ^#^Kindly Tip: ^#^ 1. Conversion: 1 inch= 2.54cm ^#^Size Approximately: These size is about Asian Size,general get one size smaller than US/EU size,Please reference to the size chart in the picture. Item Measure by hand, it could be 1-3cm different. hope you can understanding, will be sincerely appreciated.^#^^#^2.Please be reminded that due lighting effects, monitor's brightness/ contrast settings etc, there could be some slight differences in the color tone of the website's photo and the actual item.