1822: Difference between revisions
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|caption=General Radio 1822 Digital Voltmeter Calibrator | |caption=General Radio 1822 Digital Voltmeter Calibrator | ||
|series= | |series= | ||
|introduced= | |introduced=1969 | ||
|discontinued=1970 | |discontinued=1970 | ||
|designers= | |designers= | ||
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{{Catalog History}} | {{Catalog History}} | ||
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The {{Title|General Radio 1822 Digital Voltmeter Calibrator}} was available | The {{Title|General Radio 1822 Digital Voltmeter Calibrator}} was introduced in {{Catalog T Supplement}} and available until {{Catalog U}}. | ||
The Type 1822 is designed to produce accurate voltages for the testing and calibration of digital voltmeters. | The Type 1822 is designed to produce accurate voltages for the testing and calibration of digital voltmeters. | ||
Latest revision as of 09:20, 3 December 2024
The General Radio 1822 Digital Voltmeter Calibrator was introduced in Catalog T Supplement (1969) and available until Catalog U (1970).
The Type 1822 is designed to produce accurate voltages for the testing and calibration of digital voltmeters. It can be used as a precise laboratory voltage reference from 100 μV DC to 1111.1 V DC. The output voltage is displayed using a mechanical digital display with automatic units and decimal placement. It can set to any value with five-digit resolution, the resolution is adjustable.
External programming is available through a rear-panel connector along with an internal automatic step function. Other features include an interference voltage function, polarity reversal, and adjustable output impedance.
Specifications
- Output Voltage: 100 μV DC to 1111.1 V DC in 7 decade ranges
- Output Impedance: <0.5 Ω on 1 V through 1 kV ranges; 200 Ω on 1 mV through 100 mV ranges; A 1 kΩ, 10 kΩ, or 100 kΩ output resistor can be added to above impedances by front-panel selector switch
- Output Current: 10 mA at full range on 1, 10, and 100-V ranges; 1 mA on 1 kV range
- Accuracy: ±(30 ppm of voltage + 10 ppm of full range + 3 μV) on all ranges except ±(50 ppm of voltage + 10 ppm of full range) on 1-kV range; Accuracy of rear-panel voltages ≤111 mV, ±(30 ppm of voltage + 10 ppm of range +0.5 μV)
Links
Photos
Circuit Boards
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