Keysight Technologies (formerly Agilent) 34921A | 40CH Armature Multiplexer for KT-34980A | Electro Rent

Option	Description
34921A-0B0	No Printed Documentation; full documentation included on CD ROM
34921T	Terminal block with temp reference for 34921A and L4421A 40-Ch Multiplexer
DEMACC	Demo Accessories
R-51B-001-5Z	Warranty Assurance Plan - Return to Keysight - 5 years
Y1131A	Verification and Diagnostic Tools for 34980A Mainframe and Plug-in Modules
Y1131A-001	One verification board that works with either the 34921A, 34923A, 34925A Multiplexer
Y1131A-002	One verification board that works with either the 34922A, 23924A Multiplexer
Y1131A-003	One verification board that works with either the 34931A, 34932A, 34933A Matrix
Y1131A-004	One verification board that works with the 34937A General Purpose Switch
Y1131A-005	One verification board that works with the 34938A 5A General Purpose Switch
Y1135A	1.5 meter 50 pin Dsub, M/F Twisted Pair with Outer Shield Cable - 300V
Y1136A	3 meter 50 pin Dsub, M/F Twisted Pair with Outer Shield Cable - 300V
Y1139A	Solder cup connector kit with female 50-pin Dsub

Product Overview

The Keysight 34921A module for the 34980A Multifunction Switch/Measure Unit is the most versatile multiplexer for general purpose scanning. It has low thermal offset characteristics and a built-in thermocouple reference on the terminal block, making it ideal for temperature measurements directly to the internal DMM. The dense, multi-function switching with 100 channel/second scan rates addresses a broad spectrum of data acquisition applications.

Four additional fused inputs (44 channels total) route up to 1A of current to the internal DMM, allowing AC and DC current measurements without the need for external shunt resistors. Standard 50-pin Dsub connectors allow for use with standard cables, terminal blocks, or mass interconnect solutions.

Key Features

40 2-wire channels

300V, 1A switch; 2A carry current

100 ch/s scanning

Mix 2- or 4-wire configurations

Built-in thermocouple reference junction

4 current channels

Latching armature relays, with relay counter

Specifications
Multifunction Switch/Measurement Unit
Model Overview
Model	Description	Information
34980A	Multifunction data acquisition mainframe Holds up to 8 Plug-in-Modules	Comes standard with “DMM” option and BenchVue DAQ
BV0006B	BenchVue Data Acquisition Control and Analysis (DAQ) Holds up to 8 Plug-in-Modules	BenchVue makes it simple to connect, control instruments, and automate test sequences. Supported plug-in modules: 34921A 34922A 34923A 34924A 34925A 34931A 34932A 34933A 34937A 34938A 34952A

Specifications
Multifunction Switch / Measure Low Frequency Modules
Module Overview
Model	Description	Max. Volts	Max. Current	Scan Ch/Sec
Multiplexers
34921A	40 Channel Armature	+/- 300V	1A	100
34922A	40 Channel Armature	+/- 300V	1A	100
34923A	40/80 Channel Reed	+/- 150V	0.5A	500
34924A	70 Channel Reed	+/- 150V	0.5A	500
34925A	40/80 Channel Optically Isolated FET Multiplexer	+/- 80V	0.5A	1000
Matrix Switches
34931A	Dual 4x8 Armature	+/- 300V	1A	100
34932A	Dual 4x16 Armature	+/- 300V	1A	100
34933A	Dual/Quad 4x8 Reed	+/- 150V	0.5A	500
GP/Actuator Switches
34937A	28 Channel Form C 4 Channel Form A	300V 250AC	1A 5A	N/A N/A
34938A	20 Channel 5 Amp Form A	250AC	5A	N/A

Specifications
Multifunction Switch / Measure RF and Microwave Modules
Module Overview
Model	Description	Insertion Loss	Frequency Range	VSWR
RF Switching
34941A	Quad 1x4 50Ohm	0.6 dB	3 GHz	< 1.25
34942A	Quad 1x4 75Ohm	Contact Factory	Contact Factory	Contact Factory
Microwave Switching
34945A	Microwave Switch/ Attenuator Drive	Drive up to 64 external switch coils; 32 SPDT switches 8 multiport switches 8 attenuators or custom combination	Drive up to 64 external switch coils; 32 SPDT switches 8 multiport switches 8 attenuators or custom combination	Drive up to 64 external switch coils; 32 SPDT switches 8 multiport switches 8 attenuators or custom combination
34946A	Dual 1x2 SPDT Terminated	< 0.42dB to < 0.69dB	4 GHz or 20 GHz	< 1.15 to < 1.30
34947A	Triple 1x2 SPDT Unterminated	< 0.42dB to < 0.69dB	4 GHz or 20 GHz	< 1.15 to < 1.30

Specifications
Multifunction Switch / Measure System Measurement and Control Modules
Module Overview
Model	Description	Information
34950A	64 Bit DIO with Memory Counter	Eight 8-bit digital I/O channels Up to 5 V thresholds 7 handshaking protocols Pattern memory Two 10 MHz frequency counter/totalizers 10 MHz programmable clock output
34951A	4 Channel Isolated D/A Converter with Waveform Memory	Output DC V up to +/-16V or DC current up to +/-20 mA Output wave forms w/200 kHz update rate and 16 bit resolution
34952A	Multifunction Module with 32 Bit DIO, 2 Channel D/A and Totalizer	Four 8-bit digital I/O channels 2 +/- 12V analog outputs 100 kHz gated totalizer
34959A	Breadboard	Access to +12V and +5V supplies 16 GPIO ports 32 relay drive lines for custom designs

Specifications
34980A Data Acquisition System Module Overview
Model	Description
Terminal Blocks used for Discrete Wiring. Supports 20 AWG Wire for 100 Connections
3492xT	Multiplexer terminal blocks
3493xT	Matrix and GP terminal blocks
3495xT	Measurement and control terminal blocks