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Item Name: SF-103 Portable Frequency Counter 2MHz - 2.8GHz
USD 55.00
 
Item Code: SF-103
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SF-103 Portable Frequency Counter 2MHz - 2.8GHz

  Description
 

The SURECOM SF-103 hand-held frequency counter is a more practical counter, even advanced features such as field strength measurement are incorporated. It is compact, truly pocket sized, test instrument designed for ease of use and dependable performance. Supplied as a complete with internal Li-ion battery pack, AC wall charger and antenna.


Introduction: 

  • The frequency meter capable of measuring the parameters of the frequency of the continuous carrier signal walkie-talkies , with signal strength indicator.
    it is the tool of choice for maintenance personnel ,test frequency and signal strength for wireless enthusiasts.
  • This portable frequency counter is designed for counting continuous wave signal comes from Two-way Radio. 
  • There are easy ranges for you to choose. The ranges cover most of the frequency of the two way radios you want to measure. 
  • Its four-button control is easy to use and its small size allows you to carry it anywhere you like.
  •  Work by  TCXO(Temperature Compensate X'tal (crystal) Oscillator) ,In the range of -45 ℃ ~ 65 ℃ can reach ± 2 ~ ± 4ppm accuracy
  • This include very interesting frequency areas such as 2m HAM radio, all VHF and UHF
  • DMR Radio signal e frequency counter.
  • GUI Battery level

Feature & Specification:

  •    Frequency range two select : 2MHz-200MHz / 27MHz -2800MHz
  •   CTCSS/DCS Decoder 
  •    Frequency counter Digital mode for DMR radio
  •     Work by TCXO( Temperature Compensate X'tal (crystal) Oscillator) 2~2.5ppm
  •     Frequency Response time:  0.2-0.5sec.( CTCSS/CDCSS >0.5-1sec) 
  •     TFT Color Display 240 x 320 ,LCD Dim level setting
  •     Build-in  Li-ion battery
  •     Net Weight: 113g 
  •     4 buttons control
  •     Auto power off  1-9minutes   
  •     Charging battery LED indicator

Package include:
1 x SF-103 frequency counter
1 x DUAL BAND UHF / VHF antenna
1 x BELT CLIP 
1 x USB CHARGER with cable .
1 x ENGLISH MANUAL  


User manual:

1.1 Power On/Off:     
     Power on ,press and Hold down the [Red key] by 3 second
     Power off ,press and Hold down the [Red key] by 3 second of number count down to 0  

1.2 Charging the battery :
      Plug the power cord into adaptor , micro usb connect SF103
      The Led indicating:     *The RED light Charging           * The Green light is Full

1.3 Setup the frequency Range :
      Press[ F2.stop ] button ,[F3 -->] select function to "Rang"
      Press the [F4 Ent]  Select 27M-2.8G(27MHz-2800MHz) /<=200MHz (below 200MHz) ,
      and then press[F2] to Run

1.4 Setup the time Gate :
     Press[ F2.stop ] button ,[F3 ---> ] select Function to "Gate"
     Press the [F4 Ent]  select : 0.1s / 0.25s / 0.5s / 1.0s  ,and then press [F2] to Run

1.5 Setup the Frequency counter digi :
     Press[ F2 ] botton ,[F3--->] select Function to "Gate"
     Press[F4 Ent]  Select : 3 / 4 / 5 / 6 , and then press [F2] to Run
     !  27MHz-2.8GHz  for 3 / 4 only , 2-200MHz for 3 / 4 / 5 / 6 , Detail Please see Table 1:

1.6 How to check Frequency of Digital DMR Radio
      Press[ F2 ] botton ,[F3 --->] select Function to" type" :Press [F4] select Analog / Digital(DMR) ,
      and then Press [F2] to Run
      !Note. Digital mode have 3 Decimal only.

1.7 How to ADJ. the Frequency mode of 27MHz -2.8GHz: ( See PIC.2)
       Press, [F3 MENU ] , [F3 Down] / [ F4 Up] to select the Gate to (0.1s/0.25s/0.5s/1.0s)
       Press, [F2 Edit] / [F3 - ] and [ F4 +] to select the +/- 99
       Press, [F1. Main] exit , and then press [F4 save] for save the setting .([F1] not save for exit)

1.8 How to fine tune the Frequency mode of 2-200MHz: (See PIC.1 )
      Tune the PCB VR1 (Variable resistance)
      (The factory has been set accurate, such as non-technical staff do not tune)

1.9 How to use  [F3 menu ] mode: (see PIC2)
      Press, [F3 - ] / [ F4 +] select the function ,and then press [F2 edit] for edit mode  , 
      Press, [F3 - ] / [ F4 +] selecy for change the data .
      Press, [F1. Main] exit , and then press [F4 save] for save the setting .([F1] not save for exit)

Caution:
      1)Max. direct input signal 5Vp-p
      2)Prohibit direct access to the radio antenna output, resulting in damage to the frequency meter

 

 

Frequency Display Resolution / CTCSS ,DCS Decode frequency range 

SELECT

A

27MHz-2.8GHz Gate Time select 
(seconds)
Sample Display (100MHz) CTCSS/DCS 
Digi    select  A
3 4 5 6

Decode Range
132-173MHz
200-260MHz
400-519MHz 

0.10 s 100.000 100.0000    
 0.25 s 100.000 100.0000    
0.50 s 100.000 100.0000    
1.00 s 100.000 100.0000    
 

SELECT

B

2MHz-200MHz Gate Time select 
 (seconds)
Sample Display (100MHz) CTCSS/DCS 
Digi   select  B
3 4 5 6 Disable
0.10 s  100.000 100.0000    
0.25 s 100.000 100.0000    
0.5 s 100.000 100.0000 100.00000 100.000000
1.00 s 100.000 100.0000 100.00000 100.000000

How to check CTCSS/DCS code 
1.Radio must be 132-173 / 200-260MHz / 400-519MHz
2.Radio must be ANALOG                                        

 CTCSS/DCS Decoder for ANALOG mode

CTCSS (Hz)
50.0 97.4 151.4 192.8
55.0 100.0 156.7 196.6
67.0 103.5 159.8 199.5
69.3 107.2 162.2 203.5
71.9 110.9 165.5 206.5
74.4 114.8 167.9 210.7
77.0 118.8 171.3 218.1
79.7 123.0 173.8 225.7
82.5 127.3 177.3 229.1
85.4 131.8 179.9 233.6
88.5 136.5 183.5 241.8
91.5 141.3 186.2 250.3
94.8 146.2 189.9 254.1

 CDCSS  for ANALOG mode (N code only)

Standard(N) sf103
check
  Standard(N) sf103
check
  Standard(N) sf103
check
  Standard(N) sf103
check
23 23 143 143   266 465 465
25 25   145 271 271 466 466
26 26 152 152   274 503 503
31 31 155 155 306 306 506 506
32 32 156 156 311 311 516 516
  36 162 162 315 315 532 532
43 43 165 165   325 546 546
47 47 172 172 331 331 565 565
51 51 174 174   332 606 606
  53 205 205 343 343 612 612
54 54   212 346 346 624 624
65 65 223 223 351 351 627 627
71 71   225   356 631 631
72 72 226 226 364 364 632 632
73 73 243 243 365 365 654 654
74 74 244 244 371 371 662 662
114 114 245 245 411 411 664 664
115 115   246 412 412 703 703
116 116 251 251 413 413 712 712
  122   252 423 423 723 723
125 125   255 431 431 731 731
131 131 261 261 432 432 732 732
132 132 263 263 445 445 734 734
134 134 265 265 464 464 743 743
  754 754

Specifications for FREQUENCY SF401/SF103

FUNCTION 

     SF-401-PLUS          

SF-103
Frequency Range: 27MHz-3000MHz 2MHz-2800MHz
Gate Speeds select: N/A 0.1  / 0.25 / 0.5 / 1.0  Second
DIGITAL: 3-4 3-6
 DIGITAL mode : DMR system 
Distant : 0.3-1M 0.3-9M 
Walkie talkie code of CTCSS/DCS:   must be  132-173 / 200-260MHz / 400-519MHz
 Signal attenuation s.w.
-10db by switch  AUTO GAIN
Li-ion Battery Built-in: 600mAH 1500mAH
TFT LCD:  320 x 240 pixels
Current consumption: 10MA 30-50MA
TCXO crystal Oscillator +- 2.5ppm +- 2.5ppm
Charger input: Micro USB +5V in
Impedance input: 50 Ohm (BNC)
Weight: 100g 113g
Dimensions size : 70 x 25 x 90mm ( not include antenna & BNC socket)
 
 

 
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