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2.1.3.
Direct current measurements (A
Ranges
Measuring modes
Measuring mode selection
Measuring speed
(depending on
measured value)
Resolution
Accuracy at reference conditions
Temperature coefficient
Voltage drop (at end of range)
Response time
Series Mode Rejection Ratio
Maximum Series Mode Signal
WV
2 — 20 — 200 — 2000
20 — 200 — 2000
Normal Mode {NM}
High Resolution Mode (HRM)
5% digit display
High Speed Mode (HSM}
4% digit display
NM and HRM with switch on the front of the PM2528 ar via the opt-
tional |EC-bus interface.
HSM via the optional |EC-bus interface PM9291 only.
NM
:
3.3to
5.4 measurements/s
HRM:
1.6 to 2.7 measurements/s
HSM : 13
to 18.8 measurements/s
100pA in the 244A range at NM and HSM
10pA in the 2uA range at HRM
+ (0.1% of reading + 0.02% of range)
+ (0.005% of reading + 0.001% of range}/°C
4% digit display
Exciuding ranging
asynchronous start
synchronous start
<06
s
<0.33 s
<1.2
5
<0,65 s
<0.15s
<0.08 s
Including ranging
asynchronous start
synchronous start
Synchronous start means that the input signal and the start command
are given simultaneously {e.g. in EXT START mode}.
50 or 6OHz
+ 0.1%
50 or 6OHz + 1%
180% of range {peak value)
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