4
1409 Series
4
Operation
Chapter 3
OPERATION
3.1 Initial Inspection and Setup
This instrument was carefully inspected before ship-
ment. It should be in proper electrical and mechanical
order upon receipt.
To provide ready reference to specifi cations, a label,
shown in Figure 2-3, is attached to the case of the
instrument.
3.2 Connections to Capacitor
1 nF - 1 µF 1409 capacitors have 3 binding posts --
HI
,
LO
, and
GND
-- as shown in fi gure 3-1.
10 µF - 1000 µF
1409 capacitors have 5 binding
posts --
Sense HI
,
Current HI
,
Sense LO
,
Current LO
and
GND
-- as shown in fi gure 3-2
and 3-3.
Figure 3-1: 1409 capacitor standards
Figure 3-2: 10 and 100
µ
F standard
Capacitors
Figure 3-3: 1000
µ
F capacitor Standard
3.3 Environmental Conditions
3.3.1 Operating Temperature
For optimal accuracy, 1409 models should be used
in an environment of 23°C ±5°C. They should be
allowed to stabilize at those temperatures after any
signifi cant temperature variation.
