RSVT28
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61257948-RSVT28
Martindale MARVT28, LCD Voltage tester, 690V ac/dc, Continuity Check, Battery Powered, CAT III 690V With RS Calibration
the maximum body temperature at which the thermistor is designed to operate for extended periods of time with acceptable stability of its electrical characteristics.
IP (or "Ingress Protection") ratings are defined in international standard EN 6529 (British BS EN 6529:1992, European IEC 659:1989). They are?used to define levels of sealing effectiveness of electrical enclosures against intrusion from foreign bodies?(tools, dirt etc) and moisture.