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  4. Electrical measuring instrument low noise preamplifier (for lock-in amplifier) ​​SR550 series (Tokyo Instruments, Inc)
Electrical measuring instrument low noise preamplifier (for lock-in amplifier) ​​SR550 series-SR550
Electrical measuring instrument low noise preamplifier (for lock-in amplifier) ​​SR550 series-Tokyo Instruments, Inc

Electrical measuring instrument low noise preamplifier (for lock-in amplifier) ​​SR550 series
Tokyo Instruments, Inc

Tokyo Instruments, Inc's Response Status

Response Rate

100.0%

Response Time

25.9hours

Relatively Fast Response

About This Product

■Low noise preamplifier (for lock-in amplifier) ​​SR550 series

Preamplifier for low frequency lock-in amplifier SR550/SR552/SR554/SR555/SR556 type

■Product overview

The SR550 series is a preamplifier designed for SRS lock-in amplifiers. Power is supplied from the lock-in amplifier by connecting it with a dedicated cable. Gain settings can be set from the lock-in amplifier. It can be used not only as an auxiliary amplifier for lock-in amplifiers but also as a standalone preamplifier. In addition to the voltage preamplifiers of the SR550, SR552, and SR554 types, current amplifiers SR555 and SR556 types have been newly added to the lineup.

■Features

・Front end noise 3.6 nV (SR550) 1.4 nV (SR552) ・FET input 100 MΩ input impedance (SR550) ・Bipolar input 100 kΩ input impedance (SR552) ・Gain 1, 2, 5, 10 (SR550) 10, 20, 50,100 (SR552) ・Single-ended, differential input/output (SR550, SR552, SR554) ・Fixed gain 107 V/A (SR556) 109 V/A (SR556) ・Bias voltage input (SR555, SR556) ・Can be driven from SRS lock-in amplifier

■Applications

Auxiliary preamplifier for lock-in amplifiers

  • Product

    Electrical measuring instrument low noise preamplifier (for lock-in amplifier) ​​SR550 series

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1 Models of Electrical measuring instrument low noise preamplifier (for lock-in amplifier) ​​SR550 series

Image Part Number Price (excluding tax) Power supply Weight Maximum output Maximum input Size Output Input join Input impedance Input Full scale input Noise (typical value) Common mode rejection ratio Gain accuracy Gain stability Gain
Electrical measuring instrument low noise preamplifier (for lock-in amplifier) ​​SR550 series-Part Number-SR550

SR550

Available upon quote

Supplied from SRS lock-in amplifier (±20VDC, +5VDC)

0.45kg

7Vpp

250mVrms (OVLD lighting voltage)
Destruction value: 100VDC, 10VAC

76×33×130 (mm, WHL)

A (signal output, 600Ω, single-ended)
B (shield grounding)

AC (0.016Hz)

100MΩ+25pF

Single-ended or differential input

10nV~200mV

3.6nV/√Hz@1kHz
4.0nV/√Hz@100Hz
13nV/√Hz@10Hz

90dB@100Hz, 1V input

2% (2Hz~100kHz)

100ppm/℃

1, 2, 5, 10 (Automatic setting from lock-in amplifier)

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About Company Handling This Product

Tokyo Instruments, Inc

Response Rate

100.0%

Response Time

25.9hrs

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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Instrumentation Amplifiers　Tokyo Instruments, Inc
Tokyo Instruments, Inc

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