OPEK SWR/POWER Meter SWR-6, SWR-7, SWR-8 User Manual INTRODUCTION This SWR&WATT meter is a highly accurate RF meter for measuring Forward Power, Reversed Power ,and VSWR by using cross-needle analog meter. MAIN FEATURE 1. Large, precision, 2.5” (64mm) Cross Needlemeter display for ease of reading 2. Forward/Reversed/SWR readings display at the same time 3. True Directional Coupler for increased accuracy over frequency 4. Rugged metal cabinet with speckled black finish and designer style grey injection molded front panel aesthetically complements modern transceivers SPECIFICATIONS MODEL SWR-6 Frequency Range 1.6-60 MHz Center Cal. 28.5 MHz Power Range Power Scale Maximum Power Accuracy LOW (x 1) Range Accuracy HIGH (x10, x 100) Range Min. Power (Fwd) measured Input/Output Connectors Weight (Net) Insertion Loss Testing Function Input/Output Impedance Dimension (W/H/D) mm OPERATION <FRONT PANEL> 0 - 2KW 20/200/2KW 2KW 600 g SWR-7 SWR-8 140-160 MHz 26-30 MHz 420-460 MHz 2 meter VHF : 145 MHz 27 MHz (CB) 70 cm UHF : 440 MHz 0 - 2KW 0 - 200W 20/200/2KW 2/20/200W 2KW 200W (AVG) +/- 10%, +/- 15% or better (AVG) +/- 5%, +/- 10% or better 1W M type ('N' type optional) 770 g 790 g Less than 0.1 dB Fwd/Rev Power, SWR 50 OHM 140 x 84 x 122 <DESCRIPTION> 1. Meter Display : Indicates FWD/REV power in watts and VSWR ratio 2. Range switch : Selects RF power range multiplier x 1, x 10, x 100 SWR-7 Front view <REAR PANEL> <DESCRIPTION> 3. TX connector : Coax connector to transmitter 50 ohm RF output 4. ANT connector : Coax connector to 50 ohm antenna system <INSTALLATION/OPERATION> Transmitter SWR Meter <FORWARD, REVERSE PWR, SWR MEASUREMENT> Antenna 1. Set the RANGE switch to the proper meter multiplier (X1, X10, X100) for the expected power level of the intended measurement. 2. It corresponds to 20/200/2KW forward and 5/50/500W reversed in SWR-7, 2/20/200W forward and 0.5/5/50W reversed in SWR-8 (Fwd : Rev = 4 : 1 in scale) 3. Set the radio transceiver to transmit mode and read the scale corresponding to the RANGE selected [CAUTION] 1. Since the meter movement is very sensitive, avoid excessive vibration or mechanical shock to the meter. 2. Watch the absolute maximum power could be applied to the meter by different models you bought. 3. The meter must never be reverse connected. Always observe the correct connections to transmitter and antenna as indicated on the rear sockets. 4. Do not expose the meter to excessive temperatures, high humidity, or strong magnetic fields. 5. Contact your local dealer for service. Dealer information is in the back of user manual.
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