A multimeter capable of direct contact and non-contact proximity measurements of electrical quantities, comprising:
- a meter probe module configured to execute a mode selected from the group consisting of:
- a voltage, single probe, direct contact mode;
- a phasing voltage, direct contact mode;
- a voltage, single probe, capacitive mode;
- a phasing voltage, capacitive mode;
- a voltage, single probe, non-contact mode;
- a current, single probe non-contact mode;
- and a phasing degree, direct contact mode, the meter probe module comprising:
- a wired communication interface configured to establish an exclusive communication protocol with a phasing probe module;
- a wireless communication interface configured to wirelessly facilitate the exclusive communication protocol with the phasing probe module;
- a first measurement point configured for direct contact measurements of electrical quantities and to generate a first electrical signal indicative of a first electrical quantity;
- a second measurement point configured for non-contact proximity measurements of electrical quantities and to generate a second electrical signal indicative of a second electrical quantity, and
- a range select module configured to provide measurement of electrical quantities in an appropriate range;
- wherein the phasing probe module, comprises:
- a wired communication interface configured to establish an exclusive communication protocol with the meter probe module;
- a wireless communication interface configured to wirelessly facilitate the exclusive communication protocol with the meter probe module;
- a third measurement point configured for direct contact measurements of electrical quantities, generate a third electrical signal indicative of an electrical quantity, and
- a range select module configured to provide measurement of electrical quantities in an appropriate range,
- a second microcontroller within the phasing probe module, configured to:
- receive the third electrical signal of the third measurement point and determine an electrical parameter;
- automatically determine an appropriate range of measurement of the electrical parameter, and
- send the measurement of the electrical parameter in the determined range to the meter probe module, wherein the electrical parameter is selected from the group consisting of a voltage measurement;
- a current measurement;
- and a phase measurement, and
- a first microcontroller within the meter probe module, configured to:
- receive the first electrical signal and determine a first electrical parameter;
- receive the second electrical signal and determine a second electrical parameter, wherein the first and second electrical parameters is selected from the group consisting of a voltage measurement;
- a current measurement;
- and a phase measurement;
- automatically determine an appropriate range of measurement of the first electrical parameter and the second electrical parameter;
- determine peak measurement of the electrical parameter;
- and
- receive the third electrical signal from the phasing probe module and determine a differential measurement, wherein the differential measurement is selected from the group consisting of:
- a voltage differential;
- a current differential;
- and a phase differential.