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for LibreVNA kit LibreCAL Electronic Calibrator Opensource Hardware Dedicated

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1 pcs FE-5650A Rubidium Frequency Standard TESTED Fast Lock 10MHz

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1 PCS Complete Housing/Complete Shell For Fluke 729Pro Pressure Calibrator

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Process Calibrator Analog Output Simulate Transmitter 0-20mA & Multimeter 2in1

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BOONTON ELECTRONICS 76-1A/35 DIRECT CAPACITANCE STANDARD 35.01PF -FREE SHIPPING

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IMO IND. GEMS SENSORS HAND HELD CALIBRATION TOOL MODEL 122500-0107 S/N 1345191

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1000 Ohm Ω 1 kOhm Resistance Standard Resistor Calibrator Ac 0.01% Tested

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Vishay Micro-Measurements, V/E-40, Decade Resistor / Strain gage Simulator