High- & low-resistance calibration resistors and calibration boxes for checking and calibrating instruments & electrodes.
High-resistance calibration box for checking high-resistance measuring electrodes High-resistance calibration box for checking and calibrati...
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Low-resistance calibration resistors and calibration resistance decades for checking resistance meters Low-resistance calibration resistors...
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High-resistance calibration resistors and calibration resistance decades for checking resistance meters High-resistance calibration resistor...
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