Home Up Top Page 1



Genrad 1689 Digibridge

Precision RLC Bridge

Component Tester / LCR Meter



This instrument is the bench mark in LCR meters for precision  (.02% basic accuracy) and speed (Up to 30 readings per second).  The 1689 keyboard is simple to operate using the prompt sheet.  Included are the Prompt Sheet, set of Genrad Radial Clips and the Operation & Service Manual. This unit has been professionally referbished and is in near Mint Condition.  It is in excellent physical and electrical condition.

It is seen in the photo with an ESI 500 Ohm  percision resistor.


Programmable RCL Digibridge

The 1689 automatically measures R L C D & Q  it displays capacitance from .00001 pF to 99999 microF, resistance from .00001 ohm to 99999 Kohms, and inductance from .00001 mH to 99999 H with .02% accuracy, D & Q from .0001 to 9999.  External Bias Voltages to 60 vdc maybe applied from a rear panel input.  An Internal bias of 2 volts may be applied to capacitors by using the INT BIAS function.  Test Voltages from 5 mV to 1.275 V in 5 mV steps are available.  Over 500 test frequencies may be selected from the range of 12 Hz to 100 kHz. 






As our many customers will attest, we will do our very best to resolve any customer problems.  But our official policy is: 

  • All items sold are guaranteed against D.O.A. only. 
  • All claims must be made within 3 days of receipt. 
  • All warranties are void if the calibration / warranty seals are broken.



Shipping Policy

Buyer will pay $40.00 packing and shipping in the continental United States.  We will make every effort to ship within 24 hours of receipt of payment.  We ship with FedEx only.  We will be glad to ship with other carriers using the purchasers shipping account.  Please contact us to make any special shipping arrangements. For shipping rate research, our shipping address is Boulder, CO USA ---- Zip Code is 80305.

Foreign buyers:  Unless special provisions have been made, you are responsible for making your own shipping arrangements and all costs related to customs, duties & special packaging requirements.  Please do not ask us to quote you international shipping rates.  Use the address information above to research you own shipping rates.  You can email waltwhite@ascentconcepts.com to get the packaging fee, package weight and size for your research.  Items sold outside the USA are sold as is.  



 Payment Policy

We accept Credit Card payment through Paypal.   We accept Cashiers Check or Money Orders.



Home Up

The equipment shown is a representation only.  We often have multiple units in stock so please email us with your needs.  We have a large inventory and can usually find any test and measurement item in a short time frame.------Inquires info@ascentconcept.com