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Lock-in Amplifier
Single Channel Dual Channel Multi Channel Module
Source Measure Unit
Optical Chopper
Power Amplifier
Pre-amplifier
Current Amplifier Voltage Amplifier
Current Source
Potentiostat/Galvanostat
Module Lock-in Amplifier
DC-1MHz Module Lock-in Amplifier

DC to 1MHz
5nV/√Hz  input noise
Up to 8 demodulators
>130 dB dynamic reserve 
1nV to 5V full-scale sensitivity
Scope, Spectrum Analyze
Small size, Easy integration
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Multi-Channel Lock-in Amplifier
Number of Channels 3 to 10 Available

DC to 1 MHz
5nV/√Hz  input noise
Number of channels: 3-10 (Optional)
Up to 8 demodulators
>130 dB dynamic reserve 
1nV to 5V full-scale sensitivity
Scope, Spectrum Analyze
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Optical Chopper
OE3001-Optical Chopper

1 Hz-10 kHz chopping frequencies
Various types of blade options
High-precision phase-locked loop
LCD display with single encoder control
USB remote control interface
With external trigger control mode
TTL/CMOS level input & output
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Source Measure Unit
OE8101 Source Measure Unit

0.012% basic measure accuracy
I-ranges: 10nA-1A
V-ranges: 20mV-200V
Broadband noise: 3mVrms (typical)
Resolution (I/V): 4 fA/ 8 nV
Interfaces: GPIB, USB, Ethernet
Compatible with KEITHLEY 2450
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Potentiostat/Galvanostat
1MHz potentiostat/galvanostat

Bandwidth: 0.1Hz-1MHz
Max current: ±300mA
Max voltage: ±10V
Measurement accuracy: <0.5%
2- or 3- or 4-electrode configuration
Multiple 16-bit high-precision ADCs
Easy-to-use, Highly functional PC interface
Support Constant Potentiostat/CV/EIS
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OE4201 Current Source
100kHz Current Source
Floating ground isolation for input/output
Bandwidth: 1Hz-100kHz
Gain: 2mA/V, 200mA/V
Input range: 5mV-0.5V
Output current: 10uA-100mA
High precision & Stability
Robust chassis, Sleek internal design
User-friendly, Flexible switching
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OE4002 Voltage Pre-amplifier
FET type low noise x10/x100 pre-amplifier

6nV/√Hz input noise
FET input, 100 MΩ impedance
Gain of 10/20/50/100
1Hz-300kHz gain andwidth
Ultra small and portable
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OE4003 Voltage Pre-amplifier
BJT type low noise x10/x100 pre-amplifier

2 nV√Hz input noise
Ultra-low noise input stage BJT
Gain of 10/20/50/100
200Hz-300kHz gain bandwidth
Ultra-compact and portable
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OE4101 Current Pre-amplifier
70MHz Transimpedance Low Noise

Low current noise down to 60fA/√Hz
DC-70MHz bandwidth range
Ultra-low noise from input stage JFETs
Flexible transimpedance gain settings
Wide range of high-precision bias adjustment
Simple and convenient switching control
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OE4102 Current Pre-amplifier
100MHz Dual Channel Differential
Low current noise down to 100fA/√Hz
Ultra-low noise from input stage JFETs
Multi-step precision input impedance
DC-100 MHz gain bandwidth
Independent synchronized 2-channel design
Differential inputs for better signal integrity
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