ขาย 2iI7 Surecom SF-401 Plus Hand-Held Frequency Counter ราคาที่ดีที่สุด

1.Introduction: 1.1 The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies , with signal strength indicator. 1.2 This portable frequency counter is designed for counting continuous wave signal comes from Two-way Radio. 1.3 There are easy ranges for you to choose. The ranges cover most of the frequency of the two way radios you want to measure. 1.4 Its four-button control is easy to use and its small size allows you to carry it anywhere you like. 1.5 Work by TCXO(Temperature Compensate X'tal (crystal) Oscillator) ,In the range of -45 C ~ 65 C can reach ± 2 ~ ± 4ppm accuracy 2.Feature & Specification: Frequency range: 27Mhz-3000Mhz CTCSS/DCS Decoder LCD Dim level setting Frequency digital 0.000 or 0.0000 Work by TCXO(Temperature Compensate X'tal (crystal) Oscillator) 2~2.5ppm Frequency Rresponse time: 0.2-0.5sec.( CTCSS/CDCSS 0.5-1sec) Color Display 240x320 Build-in Li-ion battery Net Weight: 113g 4 buttons control Auto power off 1-9minutes Charging battery LED indicator Note: (27MHz to 100MHz It can not be guaranteed and the corresponding normal emission appliance) 3.To measure: 1) Switch the ATT button to left hand side; 2) Change the antenna into VHF or Dual Band accordingly 4.Package Contents 1x SF401 Plus Frequency Counter 1 x UHF Antenna 1x User Manual 1x USB charger cable 1x USB AC adapter 100-240V" #Surecom#SF-401Plus#SF-401