Keithley 2001-TCSCAN

Specifications
GENERAL: 9 channels of 2-pole analog input, 1 cold junction sensor.
FUNCTIONS: DCV, ACV, 4-wire ?, Thermocouple, 2-wire ?, 4-wire RTD, 2-wire RTD, Frequency (can be mixed from channel to channel).
THERMOCOUPLE SCAN SPEED: 25 channels/second @ 0.1°C resolution; 43 channels/second @ 1°C resolution.
CAPABILITIES: Multiplex one of nine 2-pole or one of four 4-pole analog signals into Model 2001 DMM and/or any combination of 2- or 4-pole analog signals.
REFERENCE OUTPUT: +200µV/°C (+54.63mV at 0°C).

ALL INPUTS
Maximum Signal Levels   2):
DC: 110V DC, <1A switched, 30VA maximum (resistive load).
AC: 125V AC rms or 175V AC peak, 1A switched, 62.5VA maximum (resistive load).
Contact Life: >105 operations at maximum signal level; >108 operations cold switching.
Contact Resistance   2): <1? at end of contact life.
Actuation Time: 2.5ms maximum on/off.
Contact Potential   3): <±500nV typical per contact, 1µV max.
Connector Type: Screw terminal, #22 AWG wire size (0.062 O.D.).
Isolation Between Any Two Terminals: >109, <75pF.
Common Mode Voltage: 350V peak between any terminal and earth.
Maximum Voltage Between Any Two Terminals: 110VDC, 125VAC RMS.
DIMENSIONS, WEIGHT: 21mm high × 72mm wide × 221mm deep (0.83 in × 2.83 in × 8.7 in). Net weight 283g (10 oz).

2) Channels 5 and 10 maximum power = 0.25 VA maximum (factory installed
120?, 5%, 1/4W resistors. User may replace with jumper. See note in manual
for complete instructions.)

3) Channels 5 and 10 contact potential = ±1µV typical, 2µV max.