Metrix MX 57 EX Notice De Fonctionnement page 41

Chapter II
5.11. Duty cycle: %+, %-
θ
x 10 0
% + =
T
Resolution :
Minimum duration for θ or T - θ : 2 µs
Maximum duration for T :
Minimum duration for T :
Absolute error as a % :
Sensitivity : Refer to sensitivity in frequency measurement mode
Absolute additional error on θ, due to the zero crossing slope : 0.1 x
with C : V or A range (C : 5000 V for 1000 V
with P : slope in V/s or in A/s
5.12. Positive ( ) or negative (
Minimum pulse duration :
Count up to :
Limit of triggering :
Reset the count to zero with the REL key.
5.13. Positive ( ) or negative (
Resolution :
Minimum pulse width :
Accuracy :
Maximum duration of a period :
Limit of triggering :
Additional error on measurement due to the zero crossing slope : refer to duty cycle
measurement.
5.14. Temperature function
Temperature range :
Resolution :
Accuracy :
Temperature sensors * :
Unity * :
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 !
Intrincally safe portable digital multimeter
θ
θ
x 100
% - =
T
T
0.01%
0.8 s
100 µs
310
) pulse count
) pulse width
Only use probes (system manufacturer's certification) with a
certificate of conformity authorising their use with this
θ
T
−
4
.
T
or 750 V
DC
2 µs
99999
3% of range except in :
750 V and 1 000 V
AC
This limit is positive in ( ) and negative in (
10 µs
20 µs
0.1 % ± 10 µs
12.5 s
3 % of range except in :
750 V and 1 000 V
AC
This limit is positive in ( ) and negative in (
-200°C to + 800°C
0.1°C
± 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
platinum probes Pt 100 or Pt 1000
°C or °F
X02137A00 - Ed. 1 - 12/01
C
P
ranges
AC
ranges (limit : 150 V)
DC
ranges (limit : 150 V).
DC
).
).
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