IET 7660 Precision LCR Meter
IET Labs 7660 Precision LCR Meter
Accurate Impedance Measurement from 10 Hz to 2 MHz
The IET Labs 7660 Precision LCR Meter is a high-performance instrument designed for accurate measurement of electrical parameters of passive components, materials, and electronic circuits. With a basic accuracy of 0.05%, a frequency range up to 2 MHz, and high-speed measurement capability, it is ideally suited for research and development, production testing, quality control, and automated test systems.The instrument builds upon the proven QuadTech and IET Labs LCR meter platforms, combining advanced measurement performance with a modern graphical user interface, extensive connectivity options, and powerful analysis functions.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Frequency Range | 10 Hz to 2 MHz |
| Basic Accuracy | ±0.05% |
| Resolution | 7 digits |
| Measurement Speed | Up to 120 measurements/sec |
| AC Test Voltage | 20 mV to 5 V |
| Internal DC Bias | ±2 V |
| External DC Bias | Up to 200 V |
| Display | 7" TFT LCD, 800 × 480 |
| Interfaces | USB, LAN, RS-232, GPIB, Handler |
| Compensation | Open / Short / Load |
Measured Parameters
The IET Labs 7660 supports simultaneous display of two impedance-related parameters, including:
- L - Inductance
- C - Capacitance
- R - Resistance
- Z - Impedance
- X - Reactance
- Y - Admittance
- G - Conductance
- B - Susceptance
- D - Dissipation Factor
- Q - Quality Factor
- θ - Phase Angle
This wide range of measurement capabilities makes the instrument suitable for both component characterization and electronic system development.
Advanced Features
Programmable Test Conditions
Users can configure:
- Measurement frequency
- AC test signal level
- Measurement speed
- DC bias voltage
- PASS/FAIL limits
These settings allow optimization of measurement conditions for specific components and applications.
Sweep Analysis
The instrument supports graphical analysis of parameter variations versus:
- Frequency
- Voltage
- Current
This capability is particularly useful for the development and characterization of filters, transformers, inductors, and RF components.
Automatic Compensation
Open/Short Compensation functions eliminate the influence of test fixtures and cables, ensuring maximum measurement accuracy, especially when measuring low impedances or small capacitance values.
Test Automation
With LAN, USB, RS-232, and GPIB interfaces, the 7660 can be easily integrated into:
- Automated Test Equipment (ATE)
- Manufacturing test stations
- Laboratory measurement systems
Typical Applications
Passive Component Testing
- Capacitors
- Inductors
- Chokes
- Transformers
- Resistors
- Ferrite components
Quality Control
Verification of electrical characteristics of incoming and manufactured components to ensure compliance with specifications.
Electronics Development
Analysis of frequency-dependent behavior and optimization of electronic circuit designs.
Dielectric Material Measurement
When used with dedicated fixtures, the instrument can measure:
- Dielectric constant (permittivity)
- Dissipation factor
- Insulating materials
- PCB substrates
- Advanced dielectric materials
Key Benefits
- 0.05% basic measurement accuracy
- Frequency range up to 2 MHz
- Measurement speed up to 120 readings per second
- Large color graphical display
- Advanced sweep and analysis functions
- Comprehensive automation support
- Compatibility with legacy QuadTech and IET Labs systems
- Excellent performance-to-cost ratio
A Complete Solution for R&D and Manufacturing
The IET Labs 7660 Precision LCR Meter is a versatile instrument for applications requiring high accuracy, repeatability, and productivity. Combining laboratory-grade performance with manufacturing-level throughput, it is an ideal solution for R&D laboratories, quality assurance departments, and production environments.
