{"product_id":"plj-8led-0-1-to-60mhz-20mhz-to-2400mhz-2-4ghz-rf-signal-frequency-counter-cymometer-meter-tester-1","title":"PLJ-8LED 0.1 to 60MHz 20MHz to 2400MHZ 2.4GHz RF Signal Frequency Counter Cymometer Meter Tester","description":"\u003cp\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003eWith Microchip's PIC16F648A, 2.4 GHz frequency meter.\u003cbr\u003e\n\u003cbr\u003e\nUsing temperature-compensated voltage controlled crystal oscillator (2.5 ppm VC-TCXO).\u003cbr\u003e\n\u003cbr\u003e\nUnique gate control and precise time algorithm (non-timed interrupt).\u003cbr\u003e\n\u003cbr\u003e\nGate (display refresh) time 0.01 seconds \/ 0.1 seconds \/ 1.0 seconds, real-time display frequency value.\u003cbr\u003e\n\u003cbr\u003e\nSingle-ended input design, three-channel frequency measurement (low channel \/ high channel \/ Auto Channel).\u003cbr\u003e\n\u003cbr\u003e\nDual frequency design, value and IF \/ down mode can be preset separately.\u003cbr\u003e\n\u003cbr\u003e\nUsing eight 0.56 inches high brightness digital display, eight adjustable brightness.\u003cbr\u003e\n\u003cbr\u003e\nCircuit is simple and reasonable structure, two-button control, simple operation.\u003cbr\u003e\n\u003cbr\u003e\nThe settings are automatically saved, boot directly call.\u003cbr\u003e\n\u003cbr\u003e\nDescriptions:\u003cbr\u003e\n\u003cbr\u003e\n1 Gate time\u003cbr\u003e\n\u003cbr\u003e\n0.01 seond\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:left;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e0.10 second\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:left;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e1.0 second\u003cbr\u003e\n2 Measurement channels (channels are low impedance)\u003cbr\u003e\n\u003cbr\u003e\nlow channel\u003cbr\u003e\n\u003cbr\u003e\nMeasuring range: 0.1 MHz ~ 60 MHz\u003cbr\u003e\n\u003cbr\u003e\nAccuracy:  100Hz (0.01 1s gate time)\u003cbr\u003e\n\u003cbr\u003e\n10Hz (0.1 seconds gate)\u003cbr\u003e\n\u003cbr\u003e\n1Hz (1.0 seconds when the gate)\u003cbr\u003e\n\u003cbr\u003e\nLow channel sensitivity:\u003cbr\u003e\n\u003cbr\u003e\n0.1 MHz ~ 10 MHz: better than 60mVPP\u003cbr\u003e\n\u003cbr\u003e\n10 MHz ~ 60 MHz: better than 60mVPP\u003cbr\u003e\n\u003cbr\u003e\n60 MHz ~ 75 MHz: Not tested\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nhigh channel (divided by 64)\u003cbr\u003e\n\u003cbr\u003e\nMeasuring range: 20 MHz ~ 2.4 GHz\u003cbr\u003e\n\u003cbr\u003e\nAccuracy:  6400Hz (0.01 seconds gate)\u003cbr\u003e\n\u003cbr\u003e\n640Hz (0.1 1s gate time)\u003cbr\u003e\n\u003cbr\u003e\n64Hz (1.0 1s gate time)\u003cbr\u003e\n\u003cbr\u003e\nHigh channel sensitivity:\u003cbr\u003e\n\u003cbr\u003e\n20 MHz ~ 30 MHz: better than 100mVPP\u003cbr\u003e\n\u003cbr\u003e\n30 MHz ~ 60 MHz: better than 50mVPP\u003cbr\u003e\n\u003cbr\u003e\n60 MHz ~ 2.4GHz: not tested\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAuto Channel\u003cbr\u003e\n\u003cbr\u003e\nAutomatically selected according to the input signal frequency high or low channel channel, identifying the frequency of 60 MHz. Such as when the input signal amplitude is greater than 60 MHz shortage can not automatically select high channel, the channel should manually select high frequency measurement.\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n3,IF settings\u003cbr\u003e\n\u003cbr\u003e\nIndependent double-IF design, adjust the minimum frequency step of 100 Hz, frequency range 0 ~ 99.9999 MHz, can be set to increase or decrease the IF frequency mode.\u003cbr\u003e\n\u003cbr\u003e\n4. Frequency reference\u003cbr\u003e\n\u003cbr\u003e\nUsing 5032 package 13.000MHz Warming voltage controlled crystal oscillator (VC-TCXO), frequency stability of  2.5 ppm.\u003cbr\u003e\n\u003cbr\u003e\n5. Operating voltage\u003cbr\u003e\n\u003cbr\u003e\nDC Input: DC 9V ~ 15V (with reverse polarity protection)\u003cbr\u003e\n\u003cbr\u003e\n6 Current\u003cbr\u003e\n\u003cbr\u003e\nMaximum 160 mA (test conditions:  DC12V power supply;  red LED; eight brightness)\u003cbr\u003e\n\u003cbr\u003e\n7 Eight LED display, the highest display eight digits.\u003cbr\u003e\n\u003cbr\u003e\n8 Eight LED brightness is adjustable, factory set to maximum brightness.\u003cbr\u003e\n\u003cbr\u003e\n9 Physical Dimensions,Length × width × height: 125.5 mm × 25.5 mm × 21.5 mm\u003cbr\u003e\n\u003cbr\u003e\n10. Component quality 46 g (NW)\u003cbr\u003e\n\u003cbr\u003e\n11. Onboard Interface\u003cbr\u003e\n\u003cbr\u003e\nDC IN (Power Interface): HX2.54-2P socket\u003cbr\u003e\n\u003cbr\u003e\nRF IN (signal input): HX2.54-2P socket\u003cbr\u003e\n\u003cbr\u003e\nICSP (programming interface): 2.54-6P Pin\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e \u003c\/p\u003e\n\n\u003cp align=\"left\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:left;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e\u003cstrong\u003ePackage included :\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"left\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:left;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cspan style=\"color:rgb(0, 0, 0);font-size:16px;font-family:arial, helvetica, sans-serif\"\u003e1 x  0.1-60MHz 20MHz ~ 2.4GHz RF Singal Frequency Counter Cymometer Tester Meter\u003c\/span\u003e\u003c\/p\u003e\n\n\u003cp align=\"start\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:start;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003cbr\u003e\n \u003c\/p\u003e\n\n\u003cp align=\"left\" style='font-family:\"Open Sans\", Roboto, Arial, Helvetica, sans-serif, SimSun;font-size:14px;font-weight:400;letter-spacing:normal;line-height:inherit;text-align:left;white-space:normal;color:rgb(34, 34, 34);margin:0px;margin-bottom:0px;margin-top:0px;margin-left:0px;margin-right:0px;padding:0px;padding-bottom:0px;padding-top:0px;padding-left:0px;padding-right:0px;box-sizing:border-box'\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cimg referrerpolicy=\"no-referrer\" 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