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Summary of Contents for SCI TVB-1
- Page 1 Instruction Sheet TVB-1 Test Verification Box Item 99-10721-01 Printed February 9, 2016 Version 1.01...
- Page 2 TVB-1 Technical Specifications Model TVB-1 Components Resistor Specification 120kΩ 2.5 KVAC / 50W / 1% +/- 50ppm 2MΩ 3K VDC / 3W / 1% +/- 50ppm GENERAL Test Points Test Condition Specification PASS 1. ACW: 1240V, 10mA or DCW: 2121V, 5000uA 2% of resistor value ACW / DCW 2MΩ...
- Page 3 The TVB-1 load box consists of resistors of varying types that induce a PASS or FAIL condition depending on the test parameters that are set in your electrical safety tester. The two Red and one Black banana jacks located at the top of the TVB-1 box can be used to apply the corresponding load to the output of your tester.
- Page 4 Ensure that the settings on your electrical safety tester are less than or equal to the maximum recommended voltage, current and duty cycle settings of the TVB-1. When all connections have been made, press the TEST button to begin the test. With the correct settings entered into the electrical safety tester, connecting the output leads to a FAIL terminal should result in a FAIL.
- Page 5 Recommended Test Parameter Conditions The following table illustrates the resistor values and recommended test parameter settings for each type of test. Pay close attention to the duty cycle limitations in the specifications in order to avoid damaging the TVB-1 load box. PASS 2MΩ...
- Page 6 Maintenance To prevent electric shock do not remove the instrument cover. There are no user serviceable parts inside. Routine maintenance or cleaning of internal parts is not necessary. Any external cleaning should be done with a clean dry or slightly damp cloth. Avoid the use of cleaning agents or chemicals to prevent damage plastic parts or lettering.
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