AXIOMET AX-178 Расширенная инструкция онлайн [6/29] 527860

Explanation on Front Panel

The front panel is shown as in Figure 2-1, explanation being as follows

Figure 2-1

(1) VΩ Hz end

It is the input end for all measurement functions except for current measurement, connected with

a red meter probe.

(2) COM end

It is the negative input end for all measurements, connected with a black meter probe

(3) µA/mA end

It is the positive end for measurement of µA or mA current, connected with a red meter probe.

(4) A end

It is the positive input end for measurement of 0.5A-10A current, connected with a red meter

probe.

(5) Rotary switch

Used for selecting measurement functions such as voltage, current, resistance and Capacitance.

(6) POWER switch

Used for putting on or off the operating power for the meter.

(7) RANGE key

For various kinds of measurements it is used manually to select range. Under the automatic range

state (AUTO displaying), it will enter manual range state(MANUAL displaying) with a press on

RANGE, after that the range will be changed with a press on RANGE while the small digits on the

left lower corner indicating the actual range. When the RANGE key being released after pressing for

two seconds the meter will return back to the automatic state. When performing logic frequency

measurement and diode measurement pressing RANGE will be void. During dBm measurement,

pressing RANGE key will alter the virtual resistance value for calculating dBm.