The Datron 4700 Autocai Multifunction. Calibrator is a high-precision calibrator which features exceptionally high stability and full systems capability. It is characterized by a wide-range coverage of DC Voltage, AC Voltage. DC Current, AC Current and Resistance functions in a single unit, VThe basic Instrument includes both DC Voltage and AQ.Voltage calibration sources up to the 100У range (200V maximum output). " Option 10 (factory-fitted) extends both DC Voltage and AC Voltage functions up to the 1000V range (1100V maximum output). Option 20 (field or factory-fitted) adds calibration sources of DC Current, AC Current and Resistance, The 4700 incorporates a reference module containing precision temperature-compensation elements, maintaining a high accuracy specification over the ambient temperature range of 23 °C ± 10°C A. high level of stability is achieved by use of super-selected reference components and ultra-stable gain-defining resistors. The ‘Autocar feature ensures that its 24-hour specifications are usable; not merely figures of merit. The 4700 uses a microprocessor for control management, simplifying its use in complex manual operations, such as calibration of high-quality digital multimeters. The IEEE 488 interface provides a comprehensive remote programming capability, allowing programmed calibration of the 4700 itself