Description
The Agilent E1433A is a high-accuracy, 5½-digit digital multimeter (DMM) designed for VXIbus-based automatic test systems. It was engineered for integration into modular test racks used in manufacturing test, aerospace, defense, and R&D environments. As a VXI Plug & Play compliant instrument, the E1433A provides fast, reliable measurements of voltage, current, resistance, frequency, and continuity, making it ideal for automated test equipment (ATE) applications.
Housed in a C-size VXI module (Model E1433A), it fits into VXI mainframes such as the Agilent E1406A, E1407A, or E1429A. The E1433A delivers laboratory-grade performance in a compact, programmable format, supporting SCPI (Standard Commands for Programmable Instruments) over the VXIbus for easy integration with test software environments like Agilent VEE, LabVIEW, and MATLAB.

E1413C AGILENT
Key Features
- Measurement Functions:
- DC Voltage (up to 300 V)
- AC Voltage (True RMS)
- DC/AC Current
- 2-wire and 4-wire Resistance
- Frequency and Period
- Continuity (with audible beep)
- Resolution: Up to 5½ digits
- Measurement Speed: Up to 10,000 readings per second (in burst mode)
- Accuracy: High precision with low noise and excellent long-term stability
- Input Protection: Overvoltage and overcurrent protection on all ranges
- Triggering: Software, external, or bus-triggered measurements
- Calibration: Front-panel self-calibration and diagnostic routines
- Programming Interface: VXIbus (SCPI-compliant), compatible with VXIplug&play drivers
- Display: LED status indicators on front panel; readouts via host software
Technical Specifications (Summary)
| Parameter | Specification |
| Model | E1433A |
| Manufacturer | Agilent Technologies (now Keysight Technologies) |
| Form Factor | C-size VXI (VXI Rev 1.4) |
| Mainframe Compatibility | E1406A, E1407A, E1429A, or any VXI mainframe with +6.3V supply |
| Measurement Type | Digital Multimeter (DMM) |
| Digits | 5½ |
| DC Voltage Range | 100 mV, 1 V, 10 V, 100 V, 300 V |
| AC Voltage Range | 100 mV to 300 V (True RMS) |
| DC Current Range | 1 mA, 10 mA, 100 mA, 1 A, 3 A |
| Resistance Range | 100 Ω to 10 MΩ (2-wire and 4-wire) |
| Frequency Range | 3 Hz to 300 kHz |
| Power Supply | +15 V, –15 V, +5 V, +6.3 V from VXI backplane |
| Operating Temp | 0°C to 55°C |
| Compliance | VXIbus Rev 1.4, VXIplug&play, SCPI 1999 |
Application Field
The Agilent E1433A was widely used in:
- Automated production test systems
- Aerospace and defense electronics testing
- High-speed functional testing
- Research and development labs
- Calibration and verification systems
Its modular design allowed integration with other VXI instruments (e.g., digitizers, switches, function generators) for complete system solutions.

E1413C AGILENT
Related Products
- Agilent E1412A: VXI DMM (6½-digit, higher accuracy)
- Agilent E1426A: VXI Switch Controller
- Agilent E1432A: 4½-digit DMM (lower cost alternative)
- Agilent E1406A: VXI Mainframe (6-slot)
- Keysight VEE Pro: Test automation software for programming E1433A
- NI LabVIEW with VXI Plug & Play Drivers: For PC-based control



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