eLockIn203 Specifications
GENERAL PARAMETER

SPECTRUM ACQUISITION SPECIFICATION

Lockin Amplifier
Functions

Displayedchannels
Frequency range
Modes

Spectrum Acquistion

Remote Control
Special Features
Display

Oscilloscope
Ethernet
Dual Harmonic
Dual Input
Synchron Mode up to 250 kHz
Color TFT - 16.51 cm (6.5“)GeneralAcquisition

LOCKIN AMPLIFIER SPECIFICATION

GeneralSignalInput

Reference
OutputReference
Input

Number of Phases

4 simultaneously
acquired phases

Dynamic Reservemax. 135 dB

Input Noise< 5 nVrms/Hz0.5 @ 100kHz

Time Constants

0.1 ms ... 1 ks

Full Scale
Sensitivity

10 nV ... 10 V
in 1-2-5 sequence

Phase Resolution

0.0001°Type

single-ended (A)dual input (A&B)
differential (A-B)

Connector

BNCCoupling

DC or AC (f -3dB = 2 Hz)

Damage Threshold+/- 12 V (in ON state)+/- 2 V (in OFF state)

Full Scale InputRanges

High dynamic: ± 3.6 Vrms
Normal: ± 360 mVrms
Low noise: ± 35 mVrms

Time Constants

0.1 ms to 1 ks
in1-2-5 steps

Syncron filter

1 to 200 periods in 1-2-5 steps

Filter Characteristic

Butterworth

Gain Deviations< 1 % between Dynamic Ranges

Gain accuracy @22°C± ( 0.0004 % of range+ 0.5 % measurement)

Impedance~ 1 MΩ || 10 pF

Input Noise
Uout = 0 V, τ = 1 ms
50 Ω
@ 100 kHzhigh dynamic: < 300 nVrms/Hz0.5
normal dynamic: < 30 nVrms/Hz0.5
low noise: 5 nVrms/Hz0.5

Internal Oscillator

10 mHz .. > 250 kHz

Frequency
Resolution

3 mHz

Frequency
Accuracy+/- 50 ppm from 0 °C to 70 °C

Reference Output
Voltage< 0.1 mVrms ... 7 Vrms

Output Noise@ Uout = 1 mVrms, τ = 1 ms, 100 kHz< 230 nVrms/Hz0.5Frequency

0.1 Hz .. 250 kHz

Channels

1st Lockin
Auxiliary IN
Internal data
Auxiliary OUT
2nd Lockin

SpecialFeatures

Mathematical
Measurement
Storage40.1 Hz to 250 kHz
Logarithmic, linear
Single spectra
Integrated spectra
Continuous spectra
RA, PhiA, XA, YA
AD1 to AD8f, Uac, In
DA5 to DA8RB, PhiB, XB, YB for “A&B” input
Rn, Phin, Xn, Yn for “A” & “A-B” input
Noise
Single point positions & Q-factors
Reference channel

OSCILLOSCOPEGeneral

Channels

Data Channels
Sampling rate
Time scaling
1st Lockin
Auxiliary IN
Internal data
Auxiliary OUT
2nd LockinMathematical
Special Features

439.062 kHz
20 µs to 5 s per division
RA, PhiA, XA, YA
AD1 to AD8f, Uac, In
DA5 to DA8RB, PhiB, XB, YB for “A&B” input
Rn, Phin, Xn, Yn for “A” & “A-B” input
Noise
Ring buffer

OUTPUTS & AUXILIARY CHANNELS

Input

OutputNumber of
Available Channels
Input Range
Sampling Rate
Resolution
Number of
Available Channels

8± 10 V
39.062 kHz
24 Bit8Output Range± 10 V

Sampling Rate

156 kHz

Resolution

24 BitDATA STORAGE
Internal Hard drive
External drive
Editing function
Storage type

32 MByte
USB-Stick
Clear data, Copy data to USB
ASCII data, numberedGENERALPower supply
Power cord frequency

Amplitude

TTL or sine signal > 100 mVrms

PLL Locking Time< (100 ms+ 10 Cycle)

Dimensions

Phase Error< 4 deg @ f = 1 kHz

WeightWarranty

Impedance

TTL: 1 MΩ
small sine signals: 1 MΩ
large sine signals: 1 kΩ

IncludesOptional

110/230 V
50/60 Hz0.16 (H) x 0.84 (W) x 0.34 (D) m(handle in backward position)
6 kg
2 years
Manual & Certificate
USB stick, SMB-BNC cablesLow noise BNC cable
power cord
I/U-converters

250 kHz Digital Lockin Amplifier / Sine Generator

Features
Real 4-channel lockin amplifier
Dual harmonic & dual input
5 nV/Hz0.5 input noise @ 100 kHz
14-bit 40 Mega samples per second
graphical display vs. time and frequency
14-bit sine wave generation from 0.1 mVrms to 7 Vrms

Synchronous filtering over full frequency range
0.01 Hz to 250 kHz, 135 dB dynamic reserve
data width: 64/96-bit, results: float
remote control via TCP/IP, internal web-server
free DLL, windows driver and remote program