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1652-A: Difference between revisions
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The '''General Radio 1652-A Resistance Limit Bridge''' was introduced in 1951 Catalog M and remained available through Catalog T 1968. | The '''General Radio 1652-A Resistance Limit Bridge''' was introduced in 1951 Catalog M and remained available through Catalog T 1968. | ||
Using the Weatstone The Type 1652-A will compare the unknown to an external or internal standard and display difference as a percentage. It's internal standard is made up of seven Type [[510]] Decade Resistance units. | |||
==Specifications== | ==Specifications== | ||
* '''Resistance Range:''' As a limit bridge, 1 ohm to 1,111,111 ohms with internal standard; for null measurement, 1 ohm to 1,111,111 ohms with internal standard. | * '''Resistance Range:''' As a limit bridge, 1 ohm to 1,111,111 ohms with internal standard; for null measurement, 1 ohm to 1,111,111 ohms with internal standard. | ||
* '''Voltage Applied to Unknown:''' The voltage across the unknown one volt when the meter indication is zero. | * '''Voltage Applied to Unknown:''' The voltage across the unknown one volt when the meter indication is zero. | ||
* '''Accuracy:''' As a limit bridge, ±0.5% or better;for matching, ±0.2%. | * '''Accuracy:''' As a limit bridge, ±0.5% or better; for matching, ±0.2%. | ||
* '''Limit Range:''' Meter reads from -20% to +20%. | * '''Limit Range:''' Meter reads from -20% to +20%. | ||