EG&G 5204 Lock-In Amplifier

The EG&G 5204 is a precision lock-in amplifier designed for sensitive signal recovery in noisy environments. It features a wide frequency range, high dynamic reserve, and versatile signal processing capabilities. Ideal for physics, engineering, and materials science research.

Model
EG&G 5204
Calibration
Available on request
Price · starting from
$2,100
Status
In stock
RFQ ref
5204
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This unit

The EG&G 5204 lock-in amplifier is a instrument engineered for extracting weak signals from significant background noise. Its key features include a broad frequency range, exceptional dynamic reserve, and comprehensive signal processing functions. Applications include optical measurements, low-temperature physics, and electrochemical studies.

EG&G 5204 — Repair & Calibration Service

Aumictech offers NIST-traceable calibration and repair for the EG&G 5204. Calibration covers full-scale sensitivity accuracy at 1 V and at each decade below the maximum range, time constant accuracy, phase offset and phase noise verification, reference frequency range and accuracy, dynamic reserve verification, and noise floor (V/√Hz) measurement. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.

Standard Cal
$450
Pass/fail cert + NIST sticker
Cal with Data
$650
Full NIST cert with measured values

Common EG&G 5204 faults: keypad ribbon cable wear (intermittent key response), DSP board failure, reference input circuit failure, trim pot drift on analog models. Stanford Research SR810/830 most common fault is front-panel keypad ribbon cable wear causing intermittent key response. DSP board failure is rare but results in loss of lock and incorrect readings. EG&G 5204/5210 analog demodulator units most commonly develop trim pot drift requiring phase and offset recalibration.

EG&G 5204 price

This EG&G 5204 is listed at $2,100. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.

EG&G 5204 calibration cost

NIST-traceable calibration for the EG&G 5204 is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers full-scale sensitivity accuracy at 1 V and at each decade below the maximum range, time constant accuracy, phase offset and phase noise verification, reference frequency range and accuracy, dynamic reserve verification, and noise floor (V/√Hz) measurement. Turnaround is 1 to 3 business days after receipt. See full calibration details →