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

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SF-103 Portable Frequency Counter 2MHz-2.8GHz

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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’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
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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