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Electrical measuring instrument 1mHz to 4MHz New generation lock-in amplifier 4MHz lock-in amplifier SR865A type-SR865A
Electrical measuring instrument 1mHz to 4MHz New generation lock-in amplifier 4MHz lock-in amplifier SR865A type-Tokyo Instruments, Inc

Electrical measuring instrument 1mHz to 4MHz New generation lock-in amplifier 4MHz lock-in amplifier SR865A type
Tokyo Instruments, Inc

Tokyo Instruments, Inc's Response Status

Response Rate

100.0%

Response Time

31.6hours

Relatively Fast Response


About This Product

■Product overview

The Cenozoic lock-in amplifier is now available from SRS, a company with a reputation for small signal measurement applications for 30 years. The SR865A 4MHz lock-in amplifier is a lock-in amplifier with unparalleled analog performance and sophisticated digital signal processing capabilities.

■Features

・Frequency band 1mHz to 4MHz ・Low noise voltage input (differential), current input ・Touch screen display ・FFT spectrum display ・High S/N, fast response digital filter installed (Advanced filter) ・Supports frequency control of SR540 optical chopper using PID control ・Supports various external interfaces such as HDMI port and network

  • Product

    Electrical measuring instrument 1mHz to 4MHz New generation lock-in amplifier 4MHz lock-in amplifier SR865A type

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1 Models of Electrical measuring instrument 1mHz to 4MHz New generation lock-in amplifier 4MHz lock-in amplifier SR865A type

Image Part Number Price (excluding tax) Reference signal channel Harmonic detection Reference signal channel Frequency range Reference signal channel input impedance Reference signal channel Phase setting resolution Reference signal channel phase noise-2 Reference signal channel phase noise-1 Reference signal channel phase drift (typical value) Reference signal channel Dual F reference Reference signal channel chopper reference Reference signal channel Time base Internal oscillator frequency Signal channel harmonic distortion Signal channel Current input range Signal channel Voltage input range Signal channel voltage input Signal channel maximum input (OVLD not lit) Signal Channel Sensitivity (Output Scale) Signal Channel Input Impedance Current Input Signal Channel Input Impedance Voltage Input Signal channel noise Signal Channel Dynamic Reserve Signal channel gain accuracy Signal channel CMRR Demodulator harmonic removal Demodulator time constant Demodulator low latency output Demodulator low pass filter Demodulator filter slope Demodulator Synchronous filter Demodulator DC stability
Electrical measuring instrument 1mHz to 4MHz New generation lock-in amplifier 4MHz lock-in amplifier SR865A type-Part Number-SR865A

SR865A

Available upon quote

Detect N × fref where N<99 and (N × fref) < 4 MHz

1mHz~4MHz

1 MΩ or 50 Ω

(360/232) °

External reference signal (typical value)
<0.001° rms at 1 kHz (100 ms, 12 dB/oct)

Internal reference signal
<0.0001° rms at 1 kHz (100 ms, 12 dB/oct)

Sine Out to signal In (200 mVrms)
<0.002°/℃ < 20 kHz (DC coupled)
<0.02°/℃ < 200kHz
<0.2°/℃ < 4MHz

Fdual =│fint - detect fext│
However, all frequencies must be less than 4MHz

Frequency lockable for SR540 optical chopper (using Aux Out 4, synchronized with internal reference signal)

10 MHz In/Out (Lock phase of internal frequency of other SR865A)

1mHz~4MHz

-80 dB (<100 kHz) , -60 dB (>100 kHz)

1 μA or 10 nA (peak)

10 mV~1 V (peak).

Single-ended (A) or differential (A-B)

1 V (peak) or 1 μA (peak)

1 nV~1 V (voltage input)
1 fA~1 μA (current input)

1 kΩ or 100 Ω to virtual ground

10 MΩ + 25 pF, AC (>1 Hz) or DC coupled

2.5 nV/√Hz at 1 kHz (10 mV range, typical)

120 dB (typical)

±1% (<200 kHz), ±2% (to 2 MHz).
*When the signal amplitude is less than 30% of the input range

90 dB at 1 kHz (DC coupled)

-80dB

1μs~30ks

Rear panel BlazeX output Output delay <2 μs (+LPF rise/fall times)

RC filter or Gaussian, phase linear filter

6, 12, 18 or 24 dB/oct rolloff

Valid below 4 kHz

No offset drift in digital output values

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About Company Handling This Product

Response Rate

100.0%


Response Time

31.6hrs

Company Overview

Tokyo Instruments, Inc., established in 1981, and headquartered in Tokyo, Japan, is a manufacturer of opto-ele...

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  • Japan

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