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  Home >> Radio Accessory >> Frequency Counter >> SURECOM >> SF-103 Portable Frequency Counter 2MHz-2.8GHz

SF-103 Portable Frequency Counter 2MHz-2.8GHz [Comments(0)|Leave your Comment]
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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) 22.5ppm
  •     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’s 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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