Functional description
Testboy
®
TV 431
31
ENG
LI
SH
ENG
LI
SH
Connection sockets
Connection
Description
HI
V
Ω
Input / output positive connection
COM
Negative connection for all measurements (except insulation measurement)
LO
Negative connection for insulation measurement
Functional description
Special functions
Additional functions are available during device activation. To select the respective special function, depress the corre-
sponding button depressed and turn the rotary switch from OFF to a different position. The special function is deactivat-
ed when then device is switched off (OFF).
Buttons
Function
SELECT
Automatic deactivation is deactivated. The display shows PoFF until the button is released.
ENTER
The acoustic signal issue is deactivated.
Automatic shut-down
The test instrument is fitted with an automatic deactivation function (sleep mode) to protect the battery. This triggers if
no function has been actuated for 10 minutes and no button has been pressed. The sleep mode ends as soon as a but-
ton has been pressed or a rotary switch is adjusted.
If you wish to end sleep mode, hold and depress the SELECT button whilst you activate the test instrument. Sleep mode
is deactivated in insulation test mode as a matter of course or if the automatic deactivation has been deactivated by
pressing the SELECT button after the device has been activated.
Data hold function
Press the HOLD button to hold on to the displayed value. Pressing the button again means that the value is no longer
held.
Relative measurement
The relative measurement displays the difference between the actual value and the relative base value.
Press the
REL
button to perform a relative measurement; the device detects the initial value when the button is pressed.
Displayed value = actual value - initial value
To end the relative measurement, press the
REL
button again.
You can display the initial value using the SELECT button. If this is invalid, the display will show ---
Содержание TV 431
Страница 1: ...Testboy TV 431 Version 1 0...
Страница 2: ...Testboy TV 431 Bedienungsanleitung 3 Testboy TV 431 Operating instructions 21...
Страница 39: ......