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It has an Int/Ext switch that allows alternate input connections via the rear interface to be selected. | It has an Int/Ext switch that allows alternate input connections via the rear interface to be selected. | ||
The DM502A model adds a temperature | The DM502A model adds an input for a PT-100 temperature probe ([[P6601]]), a true RMS converter, and offset circuits to read dB directly in all ranges. | ||
{{BeginSpecs}} | {{BeginSpecs}} |