Rotary Function Switch - Kometec MD 9273 Bedienungsanleitung

MD 9273 Leakage clamp

2.1 Rotary Function switch

It is intended to switch-on clamps and select basic test function or activate BT communication as described
in Table 1.
Position Function
OFF OFF position.
A Measurement of AC current up to 100 A.
V Measurement of AC or DC voltage up to 600 V.
W Measurement of power of up to 60 kVA, with limits of 100 A and 600 V.
Activates the Bluetooth® Mode to communicate with Metrel instruments.
Keyboard
The keyboard consists of four multifunctional push buttons. Table 2 describes the function of each one.
Key
F – Function
Hz – Frequency
H – Hold
Light
Auto
Table 1: Rotary switch position functions
Use
Any position of the rotary
switch
A and V position of the
rotary switch, in the RMS
function only
Any position of the rotary
switch and all the
functions except in PEAK
function
Any position of the rotary
switch, in all the functions
A and V position of the
rotary switch, in the RMS
function only
Function
Function selection key. Depending on the rotary switch
position, the functions will vary. See Chapter
Description of Test Functions for details.
Pressing this button cycles through the various
functions.
When pressed for more than 2 s, it alternates the
second display information between THD and Hz.
When pressed the data hold mode is turned on and the
screen information stops updating.
On next press, the MAX mode is turned on for the
register of maximum values.
On third press, the MIN mode is accessed for the
register of minimum values.
Press again to return to the normal mode.
With a long press of the key (more than 2 s) the LCD
screen back-light is lit. 30 s after any button was
pressed, it switches off automatically.
Cycles through the different manual ranges until the
Autorange is active again.
9
Instrument Description