User guide

13
Chapter 2 Specifications
2.1 Specifications
Parameter
1785B
1786B
1787B
1788
Output Ratings,
( 0 °C - 40 °C)
Voltage
0 ~18
V
0 ~32
V
0 ~72
V
0 ~32
V
Current 0 ~5 A 0 ~3 A
0~1.5
A
0~6 A
LVP
0 ~19
V
0 ~33
V
0 ~73
V
0 ~33
V
Load Regulation,
±
(
％
of output+offset)
Voltage
(rated current < 3 A) <0.01
％
+ 3 mV
(rated current< 10 A) <0.02
％
+ 5 mV
Current
<0.1％ + 5 mA
Line Regulation,
±
(
％
of output+offset)
Voltage
<0.1％ + 3 mV
Current
<0.1％ + 2 mA
Programming
Resolution
Voltage 10 mV
Current
10 mA
Readback Resolution
Voltage
10 mV(<20 V)
100 mV(≥20 V)
Current 10 mA
Programming
Accuracy, 12months,
(
@ 25 °C ± 5 °C)
±
(
％
of output+offset)
Voltage <0.05% + 10 mV
Current
<0.2％+10 mA
Readback Accuracy
12months,
(25 °C ± 5 °C)
±
(
％
of output+offset)
Voltage
<0.05%+15 mV(<20 V), <0.05%+120
mV(≥20 V)
Current
<0.1％+15 mA
Ripple
(20Hz ~20MHz)
Voltage ≤1 mVrms/3 mVp-p
Current 5 mArms
Temperature
Coefficient,
(0 °C ~ 40 °C)
±
(
％
of output+offset)
Voltage <0.02%+5 mV
Current
<0.1％+5 mA
Readback
Te
mperature,
Coefficient,
±
(
％
of output+offset)
Voltage
<0.02%+15 mV(<20 V), <0.02%+120
mV(≥20 V)
Current
<0.1％+15 mA