Read More
Seen this product cheaper elsewhere?
Call 0345 2300 599The 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 |
|||
| 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 |
| Input sensitivity | -9dbm | -20dbm to-15dbm |
| 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) | |
OPTIONAL : Tailor made Multi-language
English, French, German, Russian, Japanese, Chinese Traditional......
| Model | Country (Market) | Language |
| SF-103 | USA,UK,CANADA.. | ENGLISH |
| Below Model for tailor made Multi-language | ||
| SF-103-C | CHINA | 简体 |
| SF-103-F | France | français |
| SF-103-H | HONGKONG, TAIWAN |
繁體 |
| SF-103-I | India | हिन्दी |
| SF-103-J | JAPAN | 日本語 |
| SF-103-K | Korea | 한국의 |
| SF-103-M | Malaysia | Malay |
| SF-103-R | RUSSIAN FEDERATION | русский |
| SF-103-S | Spain | |
| SF-103-T | Thailand | ไทย |
Shipping & Delivery
We offer UK and international delivery services, including next working day and selected weekend options for eligible orders. Available services, prices and estimated delivery times are displayed at checkout.
Delivery Information
Delivery options depend on the parcel's size, weight, contents and destination. Express and weekend services are subject to availability and cut-off times. Oversized or exceptionally heavy items may require a specialist delivery quotation.
Returns & Cancellations
To arrange a return, please contact ML&S or complete our returns form. You may also exercise your statutory right to cancel by email or another clear statement, without completing the form.
Changed Your Mind?
Under the Consumer Contracts Regulations 2013, most purchases made online or by telephone can be cancelled within 14 days of receipt.
You must notify us of your cancellation within this period and return the goods within a further 14 days.
Please handle all goods with care. Returned items must be in a resaleable condition, complete with their original packaging, and all supplied accessories.
You may inspect goods as you would in a shop. Handling beyond what is necessary to inspect them may result in a lawful deduction for diminished value.
Exceptions
Modified Equipment & Reversal Charges
Additional return conditions may apply to equipment modified at the customer's request, including wideband transmit or receive modifications.
ML&S may charge a reasonable fee to reverse physical modifications and restore the equipment to its original factory specification. Any such charge will be agreed in advance and deducted from your refund.
Custom-Made Cable Assemblies
Coaxial cable assemblies manufactured to a customer's specifications are excluded from the 14-day return policy and are non-refundable unless faulty.
Software & Labour Charges
Labour and modification charges requested by the customer are non-refundable once the work has been completed.
Computer software may only be returned under the 14-day return policy if it remains sealed and unopened.
Return Postage Charges
Customers are responsible for the direct cost of returning unwanted or incorrectly ordered goods, where permitted by law. You may arrange your own suitable return postage or use one of our optional prepaid services.
Standard Parcels
Royal Mail Return Label
£5.95
Per parcel
For eligible standard-sized parcels, subject to Royal Mail restrictions. Free collection included.
Larger Parcels
DPD Return Label
£7.95
Per parcel
For larger or heavier parcels and any shipments with batteries.
Collection Service
DPD Collection
£25.00
Per parcel
Available upon request for eligible addresses, subject to availability.
Prepaid return charges will be confirmed before booking and deducted from your refund.
These prices apply to eligible UK mainland returns. Oversized items, specialist products and returns from other destinations may require a separate quotation. Estimated return costs will be disclosed before purchase.
Faulty or Incorrectly Supplied Goods
Return postage charges do not apply to faulty, damaged or incorrectly supplied goods returned under statutory rights. ML&S will arrange a free return in these circumstances.
Refunds
Refunds are processed without undue delay following receipt and inspection of returned goods, and no later than 14 days after we receive goods returned under statutory cancellation rights.
Refunds will be issued to the original payment method. Any prepaid return postage charges or lawful deductions for diminished value will be itemised.
Warranty Terms & Conditions
New Equipment Warranty
Minimum 2-Year Warranty
All new products supplied by ML&S carry a minimum two-year warranty against manufacturing defects, excluding batteries, which are covered by separate warranty terms.
Some manufacturers provide extended warranties, such as the three-year warranty available on eligible Yaesu equipment. Any additional coverage is subject to the manufacturer's terms and conditions.
Our workshop may assess and repair faulty equipment on site or refer it to the manufacturer or an authorised service centre where necessary.
Warranty exclusions may include batteries, normal wear and tear, accidental damage, misuse and unauthorised modifications, as specified in the applicable warranty terms.
All warranties are provided in addition to your statutory consumer rights against ML&S, which are not limited by the warranty period.
International Returns & Warranty
Unless otherwise stated, ML&S warranty servicing is carried out in the UK. International customers must contact us before returning goods to confirm shipping and customs requirements.
International customers are responsible for return postage unless the goods are faulty and ML&S has been notified within a reasonable time.
ML&S accepts no responsibility for additional charges resulting from incorrectly completed customs documentation. Any additional duties charged to ML&S as a result will be billed to the customer before return of the goods.
Need Help With a Return?
Our team can assist with returns, postage arrangements, modifications and warranty claims.
Nothing in these terms excludes or limits your statutory consumer rights.