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TOS7200
Setting the Timer Function
When the timer function is set to ON, the duration of testing can be controlled. When the set
test time elapses with the resistance value within the upper and lower resistances during
testing, the tester makes a PASS judgment and ends the test.
Turning the timer function on and off
ON and OFF of the timer function can be alternately selected by pressing the TEST/WAIT
(TIMER ON) key with the SHIFT key held down. When the timer function has been activated,
the TIMER ON LED lights up.
Setting the test time (TEST TIME)
The test duration during which the set test voltage is applied to the DUT can be set in the
range of 0.5 s to 999 s.
1
Press the TEST/WAIT key.
This causes the rightmost digit of the LED to blink, indicating that the cursor is
positioned at this digit.
2
Check whether the WAIT LED is lit.
If it is not lit, the test time is displayed. If it is lit, the value displayed is the wait
time. In such a case, press the TEST/WAIT key again to turn off the WAIT LED.
3
Press the or key to move the cursor to the digit at which a value is to
be set.
MEMORY
VOLTAGE
RESISTANCE
TIMER
MEMORY
VOLTAGE
RESISTANCE
TIMER
Timer
TEST/WAIT key
TIMER ON LED
WAIT LED
For moving the cursor or
changing a numerical value
If the upper or lower judgment function is OFF, no FAIL judgment is made. However, if the timer
is on, a PASS judgment will be made after the test time elapses, so you need to be careful.
Test Time
Resolution
0.5 s to 99.9 s
0.1 s
100 s to 999 s
1 s
