Keysight 3421A Data Acquisition Control Unit
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Keysight 3421A is a programmable data acquisition and control system with 5.5-digit voltmeter, digital I/O, and 30-reading memory for process monitoring.
Product details
| Model | 3421A |
| Manufacturer | Keysight |
| Category | Data Loggers |
| Availability | Made to order |
Description
Overview
The Keysight 3421A is a fully programmable data acquisition and control system designed for precision measurement applications. This self-contained unit combines measurement capability with process monitoring and control functions, forming a versatile solution for data gathering and analysis. The system requires only a computer or handheld calculator interface and external transducers to create a complete measurement ecosystem.
Key Features
- 5.5-digit fully programmable voltmeter
- DC voltage, AC voltage, and 2-wire/4-wire resistance measurements
- Programmable counter for frequency measurements up to 10 kHz or count totalization to 65,535
- Memory storage for 30 readings enables fast data acquisition for later analysis
- Low thermal offset switching with built-in reference junction
- Digital I/O for process control and monitoring
- Fully programmable interface for computer or calculator control
- Compatible with HP computers and handheld calculators (HP-41C/CV)
Applications
- Data acquisition systems and logging
- Process monitoring and control applications
- Frequency and resistance measurements
- Temperature measurement and monitoring
- Laboratory and industrial measurement systems
Specifications
| Voltmeter Resolution | 5.5-digit |
| Voltage Measurement | DC and AC |
| Resistance Measurement | 2-wire and 4-wire |
| Counter Range | 0 to 10 kHz or 0 to 65,535 counts |
| Memory | 30 readings |
| Digital I/O | Yes |
| Interface | HP computer or calculator compatible |
| Thermal Offset | Low offset with built-in reference junction |
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Keysight 3421A Data Acquisition Control Unit
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