Price meter

Price meter

[′prīs ‚mēd·ər]
(engineering)
The ocean current meter in use in the United States: six conical cups, mounted around a vertical axis, rotate and cause a signal in a set of headphones with each rotation; tail vanes and a heavy weight stabilize the instrument.
References in periodicals archive ?
Their taxi had been inching ahead for at least 10 minutes but no details of its price meter are available!
Even so, their hired vehicle had been inching ahead for at least 10 minutes by then, although, sadly, no details of its price meter are available.