Associated Research HypotULTRA 7800, Руководство по эксплуатации и обслуживанию

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158
DC Current, µA
0.350 - 4.000 DC
(0.380 - 5.657 Peak)
0.001
3.50 - 40.00 DC
(3.80 - 56.57 Peak)
0.01
35.0 - 400.0 DC, Low
Range = ON
(38.0 - 565.7 Peak)
0.0 - 400.0 DC, Low
Range = OFF
(0.0 - 565.7 Peak)
0.1
± (2% of r 2 counts)
DC Current, mA
0.300
– 3.000 DC
(0.424 - 4.242 Peak)
0.001
Current Offset
0.000 - 3.000mA (PF=0.00-1.00) *(Total c current offset
≤3.000mA)
Short Circuit Protection minimum current 3.5mA DC at short circuit, Response time < 2ms
05 5mA AC/DC Output
The 5mA Output option limits the output current with software control. The trip
points are adjusted to a maximum of 5mA and the software has been modified so
the high-speed maximum current shutdown is fixed at 5mA. The following table
shows the specifications for this option:
5mA AC / DC Output
AC WITHSTAND VOLTAGE
SETTINGS
HI and LO-Limit
(Total), current, mA
0.000-5.000 0.001 ± (2% of s 6 counts)
HI and LO-Limit (Real),
current, mA
0.000-5.000 0.001 ± (3% of s 50µA)
MEASUREMENT
HI and LO-Limit
(Total), current, mA
0.000-3.500 RMS
(0.000 - 5.657 Peak)
0.001
± (2% of r 2 counts)
3.00-5.00 mA RMS
(4.24 - 7.07 Peak)
0.01
HI and LO-Limit (Real),
current, mA
0.000-3.500 0.001
± (3% of r 50µA)
3.00- 5.00 0.01
Current Offset
0.000 - 5.00mA (PF=0.00-1.00) *(Total c current offset
≤5.00mA)
Short Circuit Protection minimum current 5.8mA RMS at short circuit, Response time < 2ms
DC WITHSTAND VOLTAGE
SETTINGS