Buy at your local Toolstation store or add something like a pack of 1/2" tap washers 66p to your order to get free delivery.
I have one of these and rate it highly, lots of modes and it will show the stored data when not plugged in too.
Discover which appliances are the worst energy offenders to lower your power bill and reduce carbon emissions.
The Energy Saving Power Meter will measure the energy use (and calculate costs) of running household appliances. This helps you lower your power bill and reduce carbon emissions, as you discover which appliances are the worst energy offenders and then work out ways to limit their use.
1. Display current clock.
2. Display line voltage.
3. Display line current.
4. Display line power.
5. Display peak line power.
6. Display accumulative total electricity usage.
7. Display total on time and total electricity usage.
8. Display line frequency.
9. Display power factor.
10. Adjustable max. overload current, max. overload warning.
11. Adjustable price / kWh.
12. Display combinations of days or blocks of days.