Limit Test - East Tester ET3260 User Manual

Users manual
value which have been converted to dBm values. dB value measurement is only suitable for DC
voltage measurement and AC voltage measurement.
dB value = dBm value of readings-dBm value of relative values.
Relative value can be adjusted and set as any value from -120dBm to 120dBm, which is stored in
volatile memory and will be cleared out after cutting off power, resetting remote interface or
changing measurement function.
Modify reference resistance value: Press
value through direction keys.
Press the softkey of Current value (
Press the softkey of Default (
After setting, press the softkey of Exit (

3.2.4 Limit test

Limit test function can be used to test whether it exceeds/does not exceed the specified upper or
lower limit, indicate signals passing or failing test (screen display ＋ beeping), and can output
negative pulse through RS232 serial port on instrument rear panel. If the measured reading is
within the specified limited range, multimeter will output a negative pulse on the pin 1; while it
exceeds the upper or lower limit, multimeter will output a negative pulse on the pin 9.
① Passing output
⑤ Common terminal
⑨ Not passing output
Upper and lower limit can be set as any value from 0 to 120% of the highest measurement

range in the current function.
The upper and lower limit values are stored in temporary memory, and after multimeter cuts

ET3260 and ET3260A
) to set the Preset value as the current reading.
) to reset the Relative value to 0.
) to go back to the former-layer interface.
6 1/2 Digit Multimeter
to enter setting interface, and edit relative
Negative pulse
31