Advantages: runs on battries so doesnt need 14w to run the unit like some others Disadvantages: none to hand
will not be lost when you plug it out.
The Brennenstuhl meter seems more sensitive - in our phone charger tests, it always gave a reading, unlike the Prodigit meter
comparing the meters
Prodigit
2000M
Brennenstuhl
PM230
Approximate price £30
£35
Volts readout?
yes yes
Amps readout? yes yes
Watts readout? yes yes
Hertz readout? yes yes
Power Factor readout? yes yes
KWh readout? yes yes
Cost settings no yes
Stated accuracy 2% 3%
Sensitivity whole units
2 decimal places
Electricity consumed during operation no yes
Clock settings no yes
Cost display no yes
2 price operation no yes ...
Advantages: Easy to monitor a single appliance or multiple via an extension lead Disadvantages: Doesn't monitor usage from electric cookers or other wired fixtures
The Brennenstuhl PM 230 is one of the latest generation of go-green products. While I don't consider myself to be an eco-warrior, reducing the amount I have to fork out to the power company seems like a good idea especially after recent hikes of around 15%. So I decided enough is enough and found one of these online for under £20 including delivery.
It's a little complicated at first especially some of the terminology on the functions and with different cost settings. I had it set up with pricing information in about 10 minutes though. So what does it do? Well it has 7 different modes of use which you cycle through by pressing the function button. The default display is a simple time & day clock. You can get back to this mode by pressing the change button from any of the other modes which makes it quick to navigate through ...
