| Keysight Technologies (Agilent HP) | 400EL | /list-meters/voltmeters-ac/agilent-hp-400el | Disc | { "specId": "46", "unit": "Hz", "controlType": "2", "value": "10000000", "colIndex": "4", "specName": "High End Frequency Limit" } | { "specId": "56", "unit": "Hz", "controlType": "2", "value": "10", "colIndex": "5", "specName": "Low end frequency limit" } | { "specId": "143", "unit": "", "controlType": "0", "value": "300 V", "colIndex": "6", "specName": "Voltage Range High" } | { "specId": "144", "unit": "", "controlType": "0", "value": "1 mV", "colIndex": "7", "specName": "Voltage Range Low" } |