X02137C00 - Ed. 1 - 06/07 Chapter II
Intrinsically safe portable digital multimeter
36
4.7. SURV key
If you press this key (long press), you access the surveillance mode (or coming out), in which
minimum (MIN), maximum (MAX) and sliding average (AVG) values of the current
measurement are stored (capture time ≥ 500 ms).
You can look up each of these values by repeatedly pressing the same key (short press). The
symbols MIN, MAX or AVG flicker with the selected value.
Note When entering in the SURV mode, non-coherent values may be displayed
momentarily.
4.8. Hz key
When the current positions are V
AC
, V
DC
, mV, mA, the Hz key invokes, in turn :
- frequency measurement,
- positive duty cycle measurement (% +),
- negative duty cycle measurement (% -),
- positive pulse count ( )
- negative pulse count ( )
- positive pulse width measurements ( )
- negative pulse width measurements ( )
A long press on Hz key allows a direct selection of the voltage or current function.
4.9. PRINT key (for use with optional interface accessory for printer or PC)
Short press : Activates/deactivates « send measurements to printer » mode at the rate
defined by the user.
Long press : Adjusts the rate varying from 00000 s (a single transmission) up to 9h
59min 59s, using the SEL/ON key (selection of digits) and the range key
(increment the selected digit).
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