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Models 2510 and 2510-AT Connector Label
Keithley Instruments, Inc.
28775 Aurora Road Packing List
Cleveland, Ohio 44139
(440) 248-0400



Introduction
This packing list contains information about the supplied INPUT/OUTPUT connector label, which can be used to properly
identify OUTPUT connection polarity when using the Model 2510/2510-AT with certain TECs.


Output current convention
The Models 2510 and 2510-AT assume that a positive output current is heating current. However, industry convention is that a
positive TEC current is a cooling current. For proper operation with such TECs, it is recommended that you install the supplied
label and reverse TEC connections as discussed below.


Label installation
To install the label, remove the backing and then install the label immediately above the INPUT/OUTPUT connector as shown
in Figure 1 below. Be sure to position the label so that the terminals are correctly identified.


TEC connections
For positive TEC current cooling convention, connect the TEC positive terminal to the OUTPUT TEC+ terminal shown on the
label (and OUTPUT S+ terminal when using 4-wire connections). Connect the TEC negative terminal to the OUTPUT TEC-
terminal (and OUTPUT S- terminal when using 4-wire connections).

Figure 1
INPUT/OUTPUT label installation

OUTPUT INPUT
TEC- S- S+ TEC+ F+ F- S+ S-
ISOLATION FROM EARTH: 30V MAX.

Install Label Above
INPUT/OUTPUT
Connector


WARNING:NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.


CAT I !
IEEE-488
MADE IN (ENTER IEEE ADDRESS
OUTPUT INPUT U.S.A. WITH FRONT PANEL MENU)
F+ S+ S- F- F+ F- S+ S-
ISOLATION FROM EARTH: 30V MAX.
ENABLE-DIG I/O




TRIGGER RS-232
LINK

LINE FUSE
SLOWBLOW
2.5A, 250V
120

! LINE RATING
100-240VAC
50, 60 HZ
90VA MAX




CAUTION:FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.



Model 2510/2510-AT

PA-791 Rev. A / 5-01
2