YOUR CART 0 items 
    
2021-03-02
   
Hot Search:  48 50-Q1  UV-3R Plus Red 41-27K  yanton t-328  th-f8 vhf  2x 2-130  iegu g90  uv82 baeofeng  41-103-9R  DCS auto scanning  case surecom  F90  bateria baofehg  p318  wacomm mini-8900  antenne aneleizer  
Code/Search:    Home  |   All Products  |   How to Buy  |   Payment Method  |   Post Tracking  |   My Address   |   Contact Us
  ITEM DETAILS
 
Item Name: SURECOM SW-33PLUS VHF/UHF 100W POWER & S.W.R. METER
USD 38.00
 
Item Code: SW-33PLUS
 Ask a question about this
 
 Add my watch 0
 

SURECOM SW-33PLUS VHF/UHF 100W POWER & S.W.R. METER

  Description
 

SW-33PLUS

SURECOM SW-33PLUS VHF/UHF 100W POWER & S.W.R. METER

 

Features
1 V.S.W.R. Forward  power direct digital readout, without any calibration. 
2 V.S.W.R. REW  power direct digital readout, without any calibration. 
3. Maximum measurable power range up to 100W. 
4. 3 seconds check your antenna SWR , also check your radio RF power watt.
5.Easy to install handheld Radio 

Specifications: 
Measurable power range: 0.1-100W 
Maximum power: 100W 

Accuracy: mean + / - 5% 

Not for the DMR digital radio.

 

 

Enquiries Please call the Customer Service Hotline / Whatsapp: 54457217 / Email: cs@409shop.net

       

 

 

Specifications:
MAX. Power in 100 WATT
V.S.W.R 1.00:1~19.99:1
Frequency Range 125MHz~525MHz
Insertion Loss < 0.15dB(VHF) , < 0.25dB(UHF)
Temperature 0℃~70℃
Battery Build -in  3.7V Li-ion Battery  
Size(WHIT OUT SMA 25*25*60 (mm)
Power  in  5V (micro usb)
Interface (in and out ) SMA female
Impedance:  50Ω    
Weight 160g 

Features function 
Push red button and hold 2 sec. to" Power on " and "ALL "mode " LCD display show sw33_swrmode
Push red button -" 90
° "mode , LCD display show   sw33_swrmode

Push red button -" 180° "mode, LCD display show sw33_swrmode 
Push red button -" V.S.W.R. "mode ,LCD display show 
sw33_swrmode

Push red button -" FW POWER "mode ,LCD display show sw33_swrmode

Push red button and HOLD  -" POWER OFF


1.1How to use Power meter (forward)
Push red button -switch on
Push red button  at four times to mode "POWER meter "  ,LCD display show  
sw33_swrmode
Connect the SMA (mark TX)  to Radio output .
Connect the SMA to DUMMUY Load 

Caution : Please use correct dummy load , High power will damage the dummy load.

1.2 How to measure SWR?

All forms of SWR meters measure SWR, standing wave ratio on a transmitter feeder. Using SWR meter is relatively easy, but one should be able to interpret the results when using it. In general, VSWR and SWR are the same.
When using VSWR meters to measure the the performance of a new antenna, always one should prefer to use  up to 3W  power and a clear channel. The following procedure can be used to use the meter.

Push red button  at two times to mode "V.S.W.R. meter "  ,LCD display show sw33_swrmode
Connect the SMA (mark TX) to Radio output .
Connect the SMA
(mark Ant) to ANTENNA 

When the the LCD  show 1.00 to 1.50   , 1.0~ 1.5:1 mean the antenna is suit the frequency. 
When the the 
LCD  show 1.50 to 3.00 ​ , 1.5~ 3.0:1 mean the antenna is not good  suit the frequency.
When the 
the
LCD  show 5.00 to 19.99​  ,5.0~19.99:1 mean the antenna is not  suit the frequency.

 

The VSWR meter is connected in the feeder from the transmitter to antenna. For the feeder convenience, SWR meter is located at the transmitter end of the feeder. This helps to monitor the actual VSWR values.

One should know, where exactly SWR can be measured. There is always some degree of feeder loss, which has a major effect on the VSWR readings.

Feeder loss absorbs power in both directions. When the reflected signal is reduced, there is a high level of feeder loss. The reflected signal gets reduced as a forward signal to the antenna, later it’s reflected back to the transmitter.

Since the signal is reduced on its way to the transmitter, an antenna with poor match and high VSWR will be fine at the transmitter. Hence, when a feeder that induces a high loss is used, VSWR is good at the transmitter, but at the antenna, it may be poor.

SWR Formulas and Calculations

VSWR can be calculated from various parameters. By definition, VSWR is given as ratio of maximum voltage on the line to the minimum voltage.

  

sw33_swrmode
 

 

 

The same can be expressed in terms of forward and reflected wave voltages.

 

  sw33_swrmode





Package Contents 

1x SW-33 PLUS  SWR/POWER METER

1x English User Manual
1x USB charger cable 
1x USB AC adapter 100-240V 
1x SMA male to SMA male Adaptor
​1x SMA male to SMA female Adaptor
1x SMA female to BNC female Adaptor
1x SMA male to BNC male Adaptor
1x 5-20W DUMMY LOAD for testing / other type of 5W dummy load for testing (random)

 

 

 
 
 

Search keyword does not accept symbols . , " ; .../ !   

HOME
  Walkie-Talkie  
foot-type-walkietalkie
  Antenna Parts
foot-type-walkietalkie

 

Accessory for Walkie-talkie
foot-type-walkietalkie
  SURECOM Product Line
foot-type-surecom
  foot-earpiece foot-speaker-mMic foot-adaptor foot-power-supply
R
E
P
E
A
T
E
R
foot-repeater repeater cable foot-power-supply foot-dummy-load
SURECOM new Product line how-to-choose-earpiece   how-to-order-from-409shop
lexuma Shipping post  

  

Why Choose 409shop.com?

    -Over 10,000 Radio products
    -Extremely low prices
    -Timely refunds and replacements
    -Worldwide free shipping (except F.O.B.)

 

Follow us on:

409shop-facebook 409shop-you-tube 409shop-twitter.com instagram.com-409shop plus.google-409shop SKYPE-409shop 

Our Company

Learn & Support

Customer Service

Partner With Us

Home

Software Downloads

PAY Method

Reseller Contact

About Us

Technical Support MAP

Post Tracking

Supplier Contact

My Company

SHOPPING FAQ

Privacy Policy

Affiliate Program

News 

Exchange/Refund
/Return
 Policy

Repair Return Address

寻求供应商

Authority of AllSit Map

Tax Policy

Contact Us

--


 

   409shop Group: SURECOM | DAXSHINE | 409shop-TWO-WAY-RADIO | 409shop-moibleHKTDC | 對講機香港代 409shopradio 
   Quick buy: Buy Earpiece | Buy Speaker/Mic | Buy Antenna | Buy Adaptor | Buy UV5R 3800MAH battery | Buy SURECOM PRODUCT 
   Friendly Links 

walkie-talkie ,對講機牌照,DMR數碼對講機,cb對講機,motorola對講機香港 ,motorola數碼對講機,香港合法對講機,motorola對講機香港代理,motorola, t8對講機 ,motorola對講機耳機, 免費諮詢 , 409shop專業無線對講機生產 

google-site-verification: google6cffa68deb0f3230.html

Copyright © 2021 409shop,walkie-talkie,Handheld Transceiver All Rights Reserved.