GenRad 1689 Precision Impedance Meter

  • The world's standard for ac resistance, low frequency inductance and capacitance measurement
  • 0.02% measurement accuracy and +/- 0.0001 Df
  • Programmable frequency 12 Hz - 100 kHz
  • Widely accepted impedance meter in a metrology environment
  • 1689 has a built-in 4 terminal kelvin fixture for testing axial and radial components
  • 1689M has four BNC connectors for use with a wide variety of standard accessories
Prices range from $8,439.00 to $8,945.00
Prices range from $8,439.00 to $8,945.00
Estimated Delivery is 1-4 week

Why Buy the 1689

  • Calibration of inductance standards, such as the GenRad/IET 1482, via transfer methods
  • Calibration of capacitance standards and decade boxes
  • Measurement of Df down to 0.0001
  • High reliability and excellent stability
  • Component and sensor manufacturing requiring high accuracy or low Df measurements

GenRad 1689 and 1689M Precision Impedance (LCR) Meter (RLC Digibridge)

The GenRad 1689 Precision Impedance Meter gives you the best performance for your most demanding applications whether they be metrology, production test, incoming inspection, component design and evaluation, process monitoring or dielectric measurement. It is a versatile, full function patented microprocessor-based passive component tester that's available in a rack mountable, (1689M) model.

The GenRad 1689 Precision Impedance Meter is a sophisticated, microprocessor-controlled tester that brings new levels of flexibility, simplicity and accuracy to impedance measurement. It is a high performance automated tester with a range of programmable test frequencies and test voltages, as well as automatic limit comparison, automatic parameter selection, remote programmability, automatic binning, and automatic zeroing.

The 1689M Precision Impedance Meter provides a powerful combination of features designed to maximize productivity in all testing environments.

  • 0.02% Accuracy for impedance (RLC) measurements.
  • 0.0001 for D and Q measurements.
  • Programmable test frequencies from 12Hz to 100kHz for maximum testing versatility.
  • Programmable test voltages from 5mV to 1.275V permits testing at exact manufacturer specified voltage levels.
  • Two selectable measurement modes: Continuous and Triggered with averaging available in each ensures measurement flexibility for your impedance measurements
  • Optional, upgraded, IEEE-488.2 Interface enable remote programming and data collection
  • IET Digibridge LabView Driver August 2012 for 1689-9640 ieee interface
  • Wide choice of measurement parameters allow you to work with familiar units.
  • A full, five-digit LED display for RLC measurements and a four-digit readout for D and
  • Q testing, simultaneously display both test results for each measurement, automatically.
  • Guarded Kelvin measurement techniques protect measurement integrity.
  • Automatic self-test and diagnostic check maintains reliable, error-free operation.

GenRad 1689 Impedance Meter Basic Specifications

(See datasheet for full specifications)

Measurement Parameters: C/D, L/Q, R/Q, or C/R (series or parallel)
Test Frequencies:
Over 500 programmable test frequencies (12Hz to 100kHz) 0.01% Accuracy.
Applied Voltage
: 5mV to 1.275V (programmable in 5mV steps).
Measurement Speed:
Up to 19 measurements/second.
Accuracy: (Primary parameter) Basic RLC ±0.02%. (Secondary parameter) Basiic DQ ±0.0001
1689 Accuracy Calculator
Impedance Range

Parameter Direct Reading Range Ratio and DQ in PPM
R 0.00001Ω to 99999kΩ 0.00010μΩ to 9999.9GΩ
L 0.00001mH to 99999H 0.00010nH to 9999.9MH
C 0.00001pF to 99999μF 0.00010aF to 9999.9F
R with C 0.0001Ω to 9999kΩ not extended
D with C 0.0001 to 9999 1 to 9999 ppm
Q with R or L 0.0001 to 9999 1 to 9999 ppm


GenRad 1689-9750 (M) Impedance Meter Standard Accessories
1689-0120 1689 Instruction Manual
4200-0300 AC Power Cord
1689-9602 BNC to BNC Extender Cables
NIST Traceable Certificate of Calibration