Keysight / Agilent / HP 44721A Terminal Block

The Keysight/Agilent/HP 44721A Terminal Block is a connection accessory for data acquisition systems that provides an organized interface for discrete external wiring. It enables reliable and repeatable signal connections to the 3852A Data Acquisition System and related digital input modules, serving as a detachable wiring hub for logic readings, totalize measurements, and interrupt generation.

Technical Specifications

Wire Size Support: Accepts up to 20 AWG wire; 24 AWG when all 144 lines are populated

Connection Type: Screw-type terminals for secure external wiring connections

Signal Type: Digital input signals for logic readings, totalize count measurements, and interrupt generation

Key Features

Screw-type terminal construction enables flexible, detachable wiring configurations

Multi-line architecture supports organized signal routing across numerous discrete connections

Facilitates repeatable connection schemes for consistent instrument setup and reconfiguration

Typical Applications The 44721A terminal block serves data acquisition workflows requiring multiple discrete digital input connections. Use cases include logic signal monitoring, pulse counting and totalization, and interrupt-driven measurements across industrial and laboratory test environments.

Compatibility & Integration Primary System:

Keysight/Agilent/HP 3852A Data Acquisition System Compatible Modules:

Keysight/Agilent/HP 44721A Digital Input Module

Keysight/Agilent/HP 44722A Digital Input Module The terminal block connects directly to these modules via screw terminals, eliminating the need for intermediate connectors and enabling direct integration into existing 3852A-based measurement setups.