Keithley 3706A Reference Manual

Series 3700A System Switch/Multimeter Reference Manual Section 4: Basic DMM operation
3700AS-901-01 Rev. D/June 2018 4-31
Figure 60: Four-wire RTD connections
Figure 61: Four-wire RTD switching module connections
RTD temperature measurement configuration
The alpha, beta, delta, and Ω at 0 °C parameters for the five basic RTD types are provided in the
table below.
These parameters can be modified using remote commands for USER type RTDs.
Type
Standard
Alpha
Beta
Delta
Ω at 0 °C
PT100
ITS-90
0.00385055
0.10863
1.49990
100
D100
ITS-90
0.003920
0.10630
1.49710
100
F100
ITS-90
0.003900
0.11000
1.49589
100
PT385
IPTS-68
0.003850
0.11100
1.50700
100
PT3916
IPTS-68
0.003916
0.11600
1.50594
100

Keithley 3706A Specifications

General

Model	3706A
Category	System Switch/Multimeter
Voltage Range	100 nV to 300 V
Basic DC Voltage Accuracy	0.0035%
Basic Resistance Accuracy	0.01%
Maximum Channels	576
Maximum Voltage	300 V
Connectivity	LAN, USB, GPIB
Interface	LAN, USB, GPIB
Switching Matrix	Yes
Channels	576 (6-slot mainframe)
Maximum Current	3 A