| Brand | Unbranded |
|---|
Check the listing for details. LM399 4-CH Voltage Reference Source 10V/7.5V/5V/2.5V For Voltmeter CalibrationyB. Condition: New. Listed at 27.72 USD. Accuracy: 0.0001(AD584), 0.00001(LM399). Warm Floating: 0.5ppm/℃(LM399)，.
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