1、Easy to carry and easy to install. Strong performance, very stable. 2、TES200 is a digital integration test, mainly used to test 74 series and 40 series integrated digital, can test more than 200 integration. 3、Simple to use, the test logic can also determine which integrated logic gates are bad. Test integration is selected through key operations. 4、Stable and powerful performance, durable for long term use. 5、Fine workmanship, built to strict quality standard. Features: 1. Easy to carry and easy to install. Strong performance, very stable. 2. TES200 is a digital integration test, mainly used to test 74 series and 40 series integrated digital, can test more than 200 integration. 3. Simple to use, the test logic can also determine which integrated logic gates are bad. Test integration is selected through key operations. 4. Stable and powerful performance, durable for long term use. 5. Fine workmanship, built to strict quality standard. Specifications: Working Voltage: 7~12 VDC Working Current: <30 mA Working Temperature: -40℃ ~ 65℃ Storage Temperature: -40℃ ~ 65℃ Interface Description and Related Operations JK1 Power Connector (DC head D13): Relatively Front. Supply Voltage (7~12V) DC Power Supply. SW1 Power Switch ON: Power on State. OFF: Turn Off the Power. Key Description MODE: Select the integration type. (74 series or 40 series) UP: Select the integration model. DOWN: Select the next integration model. Test: Test select the integration model. Note: Align down when installing the integration test. 74 series 7400,7401,7402,7403,7404,7405,7406,7407,7408,7409 7410,7411,7412,7413,7414,7415,7416,7417,7418,7419 7420,7421,7422,7424,7425,7426,7427,7428,7430,7432 7433,7434,7435,7436,7437,7438,7439,7440,7442,7443 7444,7445,7446,7447,7448,7454,7464,7470,7472,7473 7474,7475,7476,7477,7478,7480,7482,7483,7485,7486 7487,7489,7494,7495,7496,74101,74102,74103,74107,74108 74109,74112,74113,74125,74126,74128,74130,74132,74133,74134 74135,74136,74137,74138,74139,74140,74145,74147,74148,74151 74152,74153,74155,74156,74157,74158,74160,74161,74163,74164 74165,74166,74171,74173,74174,74175,74176,74177,74180,74182 74190,74191,74192,74193,74194,74195,74197,74242,74243,74247 74248,74249,74251,74253,74256,74257,74258,74259,74260,74266 74279,74280,74283,74290,74293,74295,74298,74350,74352,74353 74365,74366,74367,74368,74375,74378,74379,74390,74393,74395 74425,74426,74445,74447,74490,74595,74670 40,45 series CD4000, CD4001, CD4002, CD4006, CD4007, CD4008, CD4009, CD4010, CD4011, CD4012, CD4013, CD4014, CD4015, CD4016, CD4017, CD4018, CD4019, CD4020, CD4021, CD4022, CD4023, CD4024, CD4025, CD4026, CD4027, CD4028, CD4029, CD4030, CD4033, CD4035, CD4040, CD4042, CD4043, CD4044, CD4048, CD4049, CD4050, CD4051, CD4052, CD4053, CD4060, CD4066, CD4068, CD4069, CD4070, CD4071, CD4072, CD4073, CD4075, CD4076, CD4077, CD4078, CD4081, CD4082, CD4085, CD4093, CD4094, CD4099, CD4502, CD4503, CD4504, CD4510, CD4511, CD4512, CD4516, CD4518, CD4520, CD4522, CD4526, CD4529, CD4532, CD4539, CD4543, CD4555, CD4556, CD4584, CD40106, CD40110, CD40161, CD40162, CD40174, CD40175, CD40192, CD40193, Package List: 1 x Tester 1 x Display