--- type: product schema_version: 1 stock_number: "79537-1" canonical_url: "https://www.artisantg.com/TestMeasurement/79537-1/Ametek-EG-G-Princeton-Applied-Research-128-98-Lock-In-Amplifier" json_url: "https://www.artisantg.com/TestMeasurement/79537-1/Ametek-EG-G-Princeton-Applied-Research-128-98-Lock-In-Amplifier.json" generated_at: "2026-11-07T07:49:42.749Z" last_updated: "2026-10-23T06:16:04.907-05:00" --- # Ametek / EG&G / Princeton Applied Research 128-98 Lock-In Amplifier _Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._ ## Summary - Manufacturer: Princeton Applied Research - Model: 128-98 - Condition: Used and in Excellent Condition - Price: Quote only - Availability: Not in Stock - Warranty: 1-Year Warranty with 30-Day Return Guarantee - ITAR restricted: No - Shipping weight: 2 lb, estimated - Shipping dimensions: 12X9X6 in, estimated ## Categories - Test Equipment > Electrical Test > Amplifiers (primary) ## Details This unit has been modified by a end user, it has a 8-pin amphenol connector installed. ### Configuration - Option: Tuned Amplifier Modification Input Voltage: 115 / 230 VAC ## Images - - - -