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ubs to rs485
The RS485 converters have big advantages over traditional methods of accessing RS485 networks from PCs. The converters take their power from the USB port and therefore require no ... |
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Tone Generator and Probe
Working Voltage: 9VDC +/- 15%Working Current: 25mA (when "L") 80mA (when "SP" largest volume) 100mA (when "S&L" largest volume)Highest Receiving Sensitivity: greater than 30mvMaxi ... |
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Working Voltage: 9VDC +/- 15%
Supports Composite VIDEO, S-VIDEO, RGB.Power from PS/2 or USB port. On Screen Display (OSD) operation status, zoom, size. Independent horizontal size and vertical size adjustmentP ... |
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RJ45&USB Cable Tester
--The testing function of low voltage battery.--No delay testing function--Fast or slow test and the switch function--Short circuit test function--Open circuit test function--Wron ... |
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