voltmeter-ammeter

voltmeter-ammeter

[′vōlt‚mēd·ər ′am‚ēd·ər]
(engineering)
A voltmeter and an ammeter combined in a single case but having separate terminals.
References in periodicals archive ?
Number Sensor Value Calibrated Value instrument (1) PV-voltage sensor 15.3 V Voltmeter-ammeter 15.5 V (2) Battery-voltage sensor 13.84 Voltmeter-ammeter 14.33 (3) PV-current sensor 3.22 A Voltmeter-ammeter 2.77 A (4) Battery-current sensor 3.66 A Voltmeter-ammeter 3.55 A Number Measurement error (1) 1.31% (2) 3.42% (3) 1.62% (4) 3.10%