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General Information
Specifications
Performance Characteristics
Min
Typ
Max
Units
Output
Output range
−
20
+
20
V
Floating output
−
40
+
40
V (common mode to ground)
Noise
10
µ
Vrms, 1 kHz BW
Settable resolution
1
mV
Display resolution
1
mV,
|
V
|
<
1
.
999 V
10
mV,
|
V
|
<
19
.
99 V
Max. output current
−
10
+
10
mA (before dropout)
Short circuit current
±
15
mA
Short circuit duration
indefinite
Batteries
Number of batteries
2
1 operating, 1 charging
/
standby
Chemistry
Nickel metal hydride
Charge time
5
h
Discharge time
12
h (10 mA load)
Lifetime
1000
charge cycles, 2 yr shelf life
Battery switching
Automatic, when active battery is fully discharged
Switchover glitch
<
1 mV for
<
1 ms
Battery charge override
Allows manual switching of batteries. Triggered when
[Battery Override] is held for 5 s or more. Only armed
when standby battery is in ready state
Operating
Temperature
0
40
◦
C
Power
−
15
,
+
5
,
+
24
V DC
Supply current
250
mA (
+
5 V)
40
mA (
−
15
,
+
24 V)
General Characteristics
Interface
Serial (RS-232) through SIM interface
Connectors
Banana binding posts (
+
,
−
, and chassis ground)
DB–15 (male) SIM interface
Weight
3 lbs
Dimensions
1
.
5
00
W
×
3
.
6
00
H
×
7
.
0
00
D
SIM928
Isolated Voltage Source
