ΑΡΧΙΚΗ \ ΠΡΟΪΟΝΤΑ \ Αναλυτικός Εξοπλισμός \ Signal Recovery (AMETEK) \ Lock-in Amplifiers

Model 7124 - Dual Phase Lock-in Amplifier

No digital clock or switching noise present at the RCU connectors
0.5 Hz to 150 kHz operating frequency range
Voltage and current mode inputs
1.0 MHz main ADC sampling rate
10 µs to 100 ks output filter time constants
Dual Reference, Dual Harmonic and Virtual Reference operating modes
USB, RS232, and Ethernet computer interfaces

Since their invention back n the 1960's, lock-in amplifiers have been used whenever the need arises to measure the amplitude and/or phase of a signal of known frequency in the presence of noise.

Model 7270 - Dual Phase Lock-in Amplifier

7270

1 mHz to 250 kHz operating frequency range
1.0 MHz main ADC sampling rate
10 µs to 100 ks output filter time constants
Dual Reference, Dual Harmonic and Virtual Reference operating Modes
Internal data buffer for recording instrument outputs at rates down to 1 µs per point
USB, RS232, and Ethernet computer interfaces

The model 7270 sets a new standard for general-purpose DSP lock-in amplifiers.

Model 7230 - Dual Phase Lock-in Amplifier

7230

1 mHz to 120 kHz (250 kHz with 7230/99 option) operating frequency range
1.0 MHz main ADC sampling rate
10 µs to 100 ks output filter time constants
Dual Reference, Dual Harmonic and Virtual Reference operating Modes
Internal data buffer for recording instrument outputs at rates down to 1 µs per point
Ethernet, USB, and RS232 computer Interfaces
Free LabVIEW driver

The model 7230 is a new concept in general-purpose DSP lock-in amplifiers.

Model 7280 - Dual Phase Wide Bandwidth DSP Lock-in Amplifier

7280

0.5 Hz to 2 MHz operation
Direct digital demodulation without down conversion
7.5 MHz main ADC sampling Rate
1 µs to 100 ks output time Constants
Dual Reference, Dual Harmonic and Virtual Reference modes
Spectral display mode
Scanned probe microscopy
Optical measurements
Audio studies
AC impedance studies
Atomic force micorscopy

The model 7280 DSP lock-in amplifier is an exceptionally versatile instrument with outstanding performance.

Model 7265 - Dual Phase DSP Lock-in Amplifier

7265

1m Hz to 250 kHz operation
Direct digital demodulation without down-conversion
10 µs to 100 ks output time constants
Synchronous oscillator output for input offset reduction
Dual Reference, Dual Harmonic and Virtual Reference modes
Spectral display mode
Scanned probe microscopy
Optical measurements
Audio studies
AC impedance studies
Atomic force microscopy

The SIGNAL RECOVERY model 7265 uses the latest digital signal processing (DSP) technology to extend the operating capabilities of the lock-in amplifier to provide the researcher with a very versatile unit suitable both for measurement and control of experiments.

Model 7225 - Dual Phase DSP Lock-in Amplifier

7225

1m Hz to 120 kHz Operation
Direct digital demodulation with down-conversion
10 µs to 100 ks output time Constants
Synchronous oscillator output for input offset reduction
Harmonic measurements to 32f
Low Profile (IRU)
Chopped light measurements
AC bridge measurements
Audio studies
AC impedance studies
Vibration studies
Thermal wave detection

The SIGNAL RECOVERY model 7225 offers a cost-effective solution to the researcher needing the performance provided by DSP demodulation but not requiring the additional features or higher operating frequencies of the models 7280 and 7265.

Model 5210 - High Performance Dual Phase Lock-in Amplifier

5210

0.5 Hz to 120 kHz operation
Voltage and current mode inputs
Continuous full-scale sensitivity control
Powerful fourth-order signal channel Bandpass, Low Pass or Notch filter
Up to 130 dB dynamic Reserve
Synchronous 15-bit ADC for lower input jitter
Auger spectroscopy
Feedback control loops
Replication existing experimental setups

Over the past few years. the SIGNAL RECOVERY models 5209 (single-phase) and 5210 (dual-phase) have become the benchmark lock-in amplifiers against which others are judged.

Model 5105 - Dual Phase Lock-in Amplifier

5105

5 Hz to 20 kHz operation (or single "spot" frequency up to 100 kHz)
Low Cost
Squarewave demodulation
Adjusting low pass and high-pass signal channel filters
Up tp 80 dB dynamic Reserve
Chopped light measurements
Multiple instrument systems

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