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Array Solutions

(214) 954-7140
(214) 954-7142

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PowerMaster II Station Monitor, VSWR & RF Power Meters

The PowerMaster II from the Labs of Array Solutions

A Wattmeter that is Outstanding in Functionality with NIST Traceable Accuracy 

PowerMaster in normal operation

 FCC A, B and CE Certified

BUY the PowerMaster II Now (click here)

The new manual for the PM II  is now available!

Download the new manual here:   PM2_Manual

Power Master II Rear Panel

HF 1.8 MHz thru 54 MHz

RF Coupler

Download the latest firmware for your PM2 PM2Firmware

Download the firmware updater program* here: PMFIRMWAREUPDATE
       (*Note: Do not use the "get update" option in the firmware updater software as it will get the firmware
for the original power master - not the correct firmware for the PM2)

Download the latest software for your Power Master II Here: DOWNLOADPM2

Some of the Many Features


ALC-1 - ALC protection option, shuts down your transmitter fast but yet allows ALC normal operation


FASTEST Bar graph on the Market, makes tuning an amp or a tuner a joy, faster than an analog meter. So fast it can catch the first "dit" at 99 WPM and even show you if your rig has a RF spike problem.  Why mess around with other meters that have have had display failures?


Displays VSWR, Power, and Bar graph at the same time.


Support for BLIND Hams via www.hampod.com


Runs with or without a PC connected to it. That means there are no programming hassles and issues setting this meter up. Runs right out of the box.


Accuracy typically better than +/- 3% over frequency and temperature ranges


Commercial couplers available for VHF and UHF commercial bands


Peak Hold Modes – programmable for fast(1/2 sec), medium, slow, and Long ( 5 sec) for CW, SSB, data, FM, whatever you're sending!


Two Models – 3 kW and 10 kW - standard coverage is 160 through 6m (1.8 to 54 MHz)

Additional Couplers available for VHF and UHF

Separate Display and Coupler/Sensor boxes–  Sensor can be remotely located at your amp or in your mobile unit this also keeps the high power cables away from your radios, audio equipment, PCs etc.  No nasty RF cables on top of your desk or radio to cause RFI and other clutter issues! The coupler is using DC only, no RF is sent to the meter. A good thing!


Remote use, even 100 feet of cable between sensor and display has no drop in power measurement. None.


Multiple couplers on one display - the PM II supports two couplers without any external adapters

NEW!! SO2R Application note:  

Download here:       PM2SO2RAPPNOTE


VSWR Alarm – programmable trip point, LED and Relay – Can shut down your amp fast!


Power Alarm -  programmable trip point, LED and Relay - Alerts you that your amp has tripped out


Alarms can maintain until manually reset, or you can program an auto alarm reset


Bar Graph – Operates in two modes, Auto Ranging Power and VSWR you can peak your amp sending dots or talking into a mic, or dip your VSWR with your tuner using dots. Easy on the tubes and efficient.


Bar Graph in Power mode – Auto Ranging in user selectable ranges – Easy to read


Large LCD Display – Easy to read even in bright sunlight - low energy consumtion


Programmable from front panel or via USB or RS232 – Even display your call letters in it too!


Free Application for your PC - Will allow remote user’s full use of meter even on the internet


All Metal Boxes – Rack Mount Options available, 1 or 2 units in a 19” 2U panel


Choice of connectors, SO239, Type-N, and 7/16 DIN


Display Head Size 7” X 3 3/4" Face, 4 1/2” Deep


And did we mention the best support you can get from us and our user group?




Note meter shown was 1st production unit. Later models look slightly different but the accuracy remains unequalled.



Test Bench accuracy

Calibration done with NIST traceable  instrumentation








bulletInterface to any RS232 Port or USB port
bulletSet up any of the functions of the meter which include
bulletCall letters or other alpha numeric message – 16 characters long (examples above have "Array Solutions"
bulletSet up default VSWR alarm trigger or turn it off
bulletSet up default Power alarm trigger or turn it off
bulletMode of operation
bulletFast, med, slow
bulletBar graph
bulletAuto range scale
bulletPeak, Peak plus reverse
bulletBar graph mode VSWR or Power
bulletForward power
bulletReverse power
bulletData in alpha numeric / bar graph – Both on screen
bulletPeak hold as well as real time power in bar graph
bulletVSWR Alarm
bulletPower Alarm
bulletHooks to allow access to the data from another application like a contest logging program

  Don't forget a Power Supply, we stock a great 12V DC  1 Amp Regulated RF Quiet Linear Supply

BUY the PowerMaster II - PRICE LIST

We have new versions of the Power Master Basic software available which has a couple of minor fixes - especially for our European customers that use a comma [,] instead of a decimal point [.] in their computers.

For the original Power Master: PM1BASIC

For the new Power Master II:  PM2BASIC


Why not buy the same VSWR Power meter that is used by industry for critical monitoring functions?

Used by industry for critical testing - above shows 10 PowerMasters testing 10 RF generators.

 19 Inch Rack mounting kits are available