SF-20
SURECOM SF-20 20W POWER METER w/ FREQUENCY COUNTER
![QQ图片20201229141333.png](https://static.wixstatic.com/media/03c9fa_eb2abd019b85464ebba0bf141009bf56~mv2.png/v1/crop/x_15,y_0,w_492,h_492/fill/w_385,h_386,al_c,q_85,usm_0.66_1.00_0.01,enc_avif,quality_auto/QQ%E5%9B%BE%E7%89%8720201229141333.png)
Features:
1) Power readout directly in digital form without any calibration.
2) Maximum measurable power range up to 20W.
3) Check your Radio power output watt radio frequency under a second.
4) Easy connection with handheld Radio
Manual
![QQ图片20201229141906.png](https://static.wixstatic.com/media/03c9fa_7b427f1f1db44293bc6359ce0b957f4f~mv2.png/v1/fill/w_400,h_604,al_c,q_85,enc_avif,quality_auto/QQ%E5%9B%BE%E7%89%8720201229141906.png)
Specifications:
Measurable power range: 0.1-20W
Maximum power input: 20W
0-10W (Measuring can not be continue for more than a minute )
10W-20W (Measuring can not be continue for more than a 30 second )
20W or more (Measuring can not be continue for more than a 5 second )
Caution :
RF power over 20W may damage the 50 Ω dummy load.
Metal body is heated while working.
Features function
Hold the red button for only 2 seconds then let go
Hold red button -" Power on " and "Frequency counter "mode
Push red button -" Power Meter "mode
Push red button -" Signal Level "mode
Push red button -" Battery Level "mode
1.1) How to use Frequency counter .
Two ways to use the frequency counter meter :
A) Connect walkie-talkies with BNC
B) Receive radio signals from the top sma antenna
Hold red button --" Power on " and "Frequency counter "mode
Connect the antenna to sma .
20.000MHz to 999.999 MHz
1.2) How to use Power meter .
Hold red button -switch on
Push red button once to mode "POWER "
Connect the BNC to the radio output .
1.3) How to use signal input level .
Hold red button -switch on
Push red button twice to mode "receive "
Connect the antenna to sma.
1.4) How to check Battery level .
Hold red button -switch on
Push red button 3 times to mode "BAT "
Package Contents
1x SF-20 POWER METER / FREQUENCY COUNTER
1x English User Manual
1x USB charger cable
1x USB AC adapter 100-240V