esshup,
I could not find any specs on the pump you mentioned. The only thing I found were some spare parts. It is an obsoleted model. Without the performance specs., it would be difficult to get close to the actual power consumption.
I thought about comparing it to a current pump, but that may not be viable due to the fact that newer motors/pumps are more energy efficient than older models.
In my opinion, every tool box should have something like this:
Clamp Meter You can measure Amps and Volts... They are a very handy. I have an Amprobe, and would be lost without it.
