Abstract: A measuring and recording apparatus for testing the operation of a home electrical appliance and the like comprises a multiscale electrical current recorder associated with a current probe for connection to a circuit in which the current value is to be monitored. A digital temperature meter associated with a digital display has memory means operable to store the temperature level responsive to a predetermined event, i.e. a maximum value of the temperature, and with an outside temperature probe. Electronic circuit means render the recorder operative to record the current value only responsive to detection of a current above a predetermined level by said current probe.