One thing I've found with this monitor, It doesn't work accurately below the bottom of it's stated power (given as 0.2 amps or about 30 to 35 watts. If you desire to measure low wattage appliances (Satellite receciers on standby etc) you have to run it with a second, known, load to bring the total into it's measurement range. Otherwise it will state that whatever gadget you are measuring in consuming 30 to 35 watts.
I discovered this while metering the Wireless hub/ADSL both on it's own (meter claimed 30 watts) with the tower system on with Network and without the Network up (206 and 201 watts) The tower system is five years old and has a new flat screen monitor.
If you read the instructions carefully you will find this erroneous reading of low power consumption implied but not explicitly mentioned - if the gadget is switched off it accurately notes that no power is being used.
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I discovered this while metering the Wireless hub/ADSL both on it's own (meter claimed 30 watts) with the tower system on with Network and without the Network up (206 and 201 watts) The tower system is five years old and has a new flat screen monitor.
If you read the instructions carefully you will find this erroneous reading of low power consumption implied but not explicitly mentioned - if the gadget is switched off it accurately notes that no power is being used.