Ice Supertester 680r Manual
ICE Supertester 680R: A Versatile Analog Multimeter
The ICE Supertester 680R is a universal analog multimeter that can measure various electrical quantities, such as voltage, current, resistance, capacitance, frequency, and decibels. It was manufactured by ICE (I.C.E.), an Italian company based in Milan, from 1969 to 1985. It has a high sensitivity of 20,000 ohms per volt for direct current and 4,000 ohms per volt for alternating current. It also has a mirror scale to reduce parallax error and a protection fuse for the ohmmeter.
The ICE Supertester 680R comes with a set of accessories, such as probes, clips, batteries, and a carrying case. It also has optional attachments that can extend its functionality, such as a millivolt adapter, a wattmeter, a high-voltage probe, an ohm range adapter, a direct current shunt, an alternating current transformer, a transistor/diode tester, a temperature probe, a clamp ammeter, and a phase sequence adapter. These accessories allow the user to perform various measurements and tests on different types of circuits and devices.
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The ICE Supertester 680R is easy to use and operate. It has a rotary switch that selects the function and range of measurement. It also has two terminals for connecting the probes: the black one for the common or negative lead and the red one for the positive lead. The user can connect the probes to the circuit or device under test and read the value on the analog meter. The meter has different scales for different functions and ranges. The user can also adjust the zero point of the meter by using the knob on the front panel.
The ICE Supertester 680R has a knob on the front panel that can be used to adjust the zero point of the meter. The zero point is the position of the pointer when there is no input signal. The user should adjust the zero point before making any measurement, especially for resistance and capacitance. To adjust the zero point, the user should disconnect the probes from the circuit or device and set the switch to the desired function and range. Then, the user should turn the knob until the pointer aligns with the zero mark on the scale.