
thanks
adam
You will need two meters so you can measure the amps and volts at the same time. Multiplying amps x volts will give you watts.danzo wrote:How can tell what version (100 vs. 180 watt) it is? The Ohm test wouldn't tell you if all the "defrost lines" work. I plan to hook a battery up and feel for heat, or just use my pyrometer. Today I'm goin' yardin' so maybe I'll stop by an auto glass shop to see how they ship. BTW I will also include the useable seal if you want it.
Stupid question - so I run 12V through the defroster and measure the amps? Why would I need to measure the volts if I know it is 12V?4wdchico wrote:You will need two meters so you can measure the amps and volts at the same time. Multiplying amps x volts will give you watts.
The short answer is that you don't know that the circuit is 12v under load. Way too many variables at play to be safe making that assumption.danzo wrote:Stupid question - so I run 12V through the defroster and measure the amps? Why would I need to measure the volts if I know it is 12V?4wdchico wrote:You will need two meters so you can measure the amps and volts at the same time. Multiplying amps x volts will give you watts.