Chapter II X02137C00 - Ed. 1 - 06/07
Intrinsically safe portable digital multimeter
41
5.11. Duty cycle: %+, %-
θ
T
θ
T
% - =
θ
T
x 100
% + =
θ
T
x 100
Resolution : 0.01%
Minimum duration for θ or T - θ : 2 µs
Maximum duration for T : 0.8 s
Minimum duration for T : 100 µs
Absolute error as a % :
310
4
.
−
Sensitivity : Refer to sensitivity in frequency measurement mode
Absolute additional error on θ, due to the zero crossing slope : 0.1 x
C
with C : V or A range (C : 5000 V for 600 V
DC
or 600 V
AC
ranges
with P : slope in V/s or in A/s
5.12. Positive ( ) or negative ( ) pulse count
Minimum pulse duration : 2 µs
Count up to : 99999
Limit of triggering : 3 % of range except in :
600 V
AC
and 600 V
DC
ranges (limit : 150 V)
This limit is positive in ( ) and negative in ( ).
Reset the count to zero with the REL key.
5.13. Positive ( ) or negative ( ) pulse width
Resolution : 10 µs
Minimum pulse width : 20 µs
Accuracy : 0.1 % ± 10 µs
Maximum duration of a period : 12.5 s
Limit of triggering : 3 % of range except in :
600 V
AC
and 600 V
DC
ranges (limit : 150 V).
This limit is positive in ( ) and negative in ( ).
Additional error on measurement due to the zero crossing slope : refer to duty cycle
measurement.
5.14. Temperature function
Temperature range : -200
°C
to + 800
°C
Resolution : 0.1
°C
Accuracy : ± 1
°C
from -150
°C
to -125
°C
± 0.5
°C
from -125
°C
to 75
°C
± 1
°C
from 75
°C
to 700
°C
Temperature sensors * : platinum probes Pt 100 or Pt 1000
Unity * :
°C
or
°F
Connection* resistance compensation with REL key
* refer to §. 4.1.7. for Pt 100/Pt 1000 selection,
°C
/
°
F selection and connection resistance
compensation procedure.
Warning ! Only use probes (system manufacturer's certification) with a
certificate of conformity authorising their use with this multimeter.
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