Οι ενισχυτές Lock-in της Signal Recovery / AMETEK είναι όργανα ακριβείας που εξάγουν ασθενή σήματα από θορυβώδη περιβάλλοντα χρησιμοποιώντας ανίχνευση με ευαισθησία στη φάση, οι οποίοι είναι ιδανικοί για επιστημονικές και βιομηχανικές εφαρμογές που απαιτούν υψηλή ακρίβεια.
Περιγραφή
🟦 Lock-in Amplifiers
Lock-in amplifiers from Signal Recovery / AMETEK are high-precision instruments engineered to extract extremely weak signals from noisy environments, using advanced phase-sensitive detection techniques. Trusted in both scientific research and industrial measurement systems, these devices offer unmatched accuracy and stability in signal processing. The current lineup includes five specialized models, each designed to meet specific application requirements:
➡️ The 7270 is a general-purpose digital lock-in amplifier, combining precision and flexibility for a broad range of laboratory and testing scenarios.
➡️ The 7230A delivers enhanced DSP processing and modern connectivity options, making it ideal for integration into more complex systems.
➡️ The 5113A is a low-noise voltage preamplifier, optimized for ultra-sensitive voltage measurements in demanding environments.
➡️ The 5402A is a low-noise current amplifier, designed for detecting very low current levels with exceptional accuracy.
➡️ The 7210DIF is a four-channel differential input preamplifier, enabling reliable measurements from floating or grounded signal sources, while minimizing ground loop issues.
Together, these models form a versatile and powerful toolkit for professionals who require high-resolution signal recovery and analysis in even the most challenging conditions.
🟦 7270 General Purpose DSP Lock-in Amplifier
The 7270 from Signal Recovery / AMETEK is a versatile, high-performance DSP lock-in amplifier, ideal for both general-purpose laboratory use and advanced signal analysis. Designed to provide precision measurement of low-level AC signals in noisy environments, it features a powerful digital architecture and intuitive interface, making it a go-to solution for researchers and engineers alike.
➡️ Large, easy-to-use built-in color display with a comprehensive range of operating modes, offering real-time visibility and intuitive control
➡️ Dual reference and dual harmonic detection, allowing you to simultaneously measure signals at two different frequencies
➡️ Wide frequency range from 250 kHz down to 1 mHz, suitable for both high-speed and ultra-low frequency applications
➡️ Multiple connectivity options including Ethernet, USB, and RS232, ensuring easy integration with existing systems
➡️ Comes with a full suite of software tools, including Acquire PC software, browser-based control software, LabVIEW drivers, and SRInstComms for seamless communication and automation
The 7270 combines digital precision, ease of use, and flexible interfacing, making it the ideal instrument for demanding lock-in amplifier applications across research and industry.
🟦 7230A General Purpose DSP Lock-in Amplifier
The 7230A is a compact, high-precision digital lock-in amplifier tailored for applications that demand silent operation, remote access, and exceptional signal recovery. Its streamlined, display-free design makes it ideal for system integration and noise-sensitive environments.
➡️ Remote control via software only, allowing full operation through a connected PC
➡️ Dual reference and dual harmonic detection for measuring two signal frequencies simultaneously
➡️ Wide frequency range from 250 kHz down to 1 mHz, covering both fast and slow signal dynamics
➡️ Connectivity via Ethernet, USB, and RS232, ensuring easy integration into modern setups
➡️ Fanless, silent operation, making it perfect for acoustic and low-noise experiments
➡️ Includes a full software suite: Acquire PC software, browser-based control, LabVIEW drivers, and SRInstComms
With its quiet performance and flexible control, the 7230A is an ideal tool for researchers who need precision and simplicity in a space-saving, software-driven package.
🟦 5113A Low Noise Voltage Preamplifier
The 5113A is a high-performance, low-noise voltage preamplifier designed for sensitive signal amplification across a wide range of applications. With its flexible input options, precise filtering, and versatile power modes, it delivers exceptional clarity and control.
➡️ Continuously adjustable gain with selectable high, low, and bandpass filtering, ensuring optimal signal conditioning
➡️ Front panel control and display for easy operation and monitoring in real time
➡️ Optically isolated RS232 interface for safe and interference-free communication
➡️ Supports both single-ended and differential inputs, with AC/DC coupling for maximum compatibility
➡️ Sleep mode enables ultra-low noise amplification, ideal for delicate signal environments
➡️ Can be line powered or operated via internal rechargeable battery for field or isolated use
Perfect for use in radio astronomy, audiometry, test and measurement, process control, and general signal amplification, the 5113A also integrates seamlessly with lock-in amplifiers for enhanced precision.
🟦 5402A Low Noise Current Amplifier
The 5402A is a precision low-noise current preamplifier optimized for applications where the signal source is a current, such as photodiodes, electron multipliers, or ion collectors. It provides exceptional sensitivity and signal clarity, especially when paired with a lock-in amplifier for impedance measurements or weak current detection.
➡️ Push-button transimpedance gain settings for quick configuration and sub-picoampere sensitivity
➡️ Wide bandwidth from 100 kHz up to 4 MHz, adjustable based on gain setting
➡️ Ultra-low noise design, ideal for detecting minute current variations
➡️ AC/DC coupled output with selectable low-pass filtering for tailored signal conditioning
➡️ Powered by line supply or internal rechargeable battery, offering flexibility in lab or field environments
Whether in optical detection, materials analysis, or ultra-sensitive current measurements, the 5402A is built to deliver stable and noise-free performance where accuracy matters most.
🟦 7210DIF Four Channel Differential Input
The 7210DIF is a low-noise, AC-coupled, four-channel voltage preamplifier designed to deliver true differential input with medium input impedance. Ideal for precise signal acquisition from floating or grounded sources, it ensures clean, balanced measurements while eliminating ground loop issues.
➡️ True differential input for accurate signal measurement without loading floating sources
➡️ Selectable gain settings of ×1, ×10, ×100, and ×1000, with a standard x100 configuration
➡️ Frequency response from 0.1 Hz to 100 kHz, suitable for a variety of AC signal applications
➡️ Compatible with ±15 V external supply or the PS0110-MD remote line power supply, and also powered by most lock-in amplifiers
➡️ Ideal companion for the 7210 multichannel lock-in amplifier, with up to eight units connectable side-by-side via BNC adaptors
➡️ Also functions as a standalone, cost-effective solution for use with oscilloscopes, digitizers, or transient recorders
With its versatile connectivity, multi-channel capability, and robust differential performance, the 7210DIF is a powerful asset for both integrated systems and standalone signal conditioning.
ΙΔΑΝΙΚΟ ΓΙΑ
☑️ Οπτικές μετρήσεις – Ανίχνευση διαμορφωμένων φωτεινών σημάτων με υψηλή ακρίβεια
☑️ Φασματοσκοπία – Ενίσχυση ασθενών φασματικών σημάτων από φως ή σωματίδια
☑️ Πειράματα μαγνητικού συντονισμού – Εξαγωγή σημάτων σε διατάξεις NMR ή EPR
☑️ Μικροσκοπία σάρωσης – Βελτίωση του λόγου σήματος προς θόρυβο στην απεικόνιση σε νανοκλίμακα
☑️ Ανάγνωση φωτοδιόδων και φωτοπολλαπλασιαστών – Μέτρηση χαμηλών επιπέδων φωτός με ακρίβεια
☑️ Μετρήσεις ηλεκτρικού και θερμικού θορύβου – Ανάλυση θορύβου υποβάθρου ή συστήματος
☑️ Μετρήσεις γέφυρας εναλλασσόμενου ρεύματος – Ανάγνωση μικροσκοπικών ανισορροπιών σε κυκλώματα γέφυρας
☑️ Διαμόρφωση και ανίχνευση λέιζερ – Κλείδωμα σε συγκεκριμένα διαμορφωμένα σήματα λέιζερ
☑️ Ανίχνευση κραδασμών και ακουστικών σημάτων – Ανίχνευση μικροσκοπικών μηχανικών ή ηχητικών σημάτων
☑️ Ανίχνευση σημάτων χαμηλού επιπέδου σε θορυβώδη περιβάλλοντα – Απομόνωση ασθενών σημάτων από υψηλό θόρυβο
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