Peak Instruments Comparison Chart

Component Analyser Selection Chart

Only summary information shown here. For more detailed product data, please click on the product heading. A chart specifically for the LCR40 and LCR45 is at the bottom of this page.

Chart Key: Supported Partially supported

Function/Feature LCR40 LCR45 ESR70 DCA55 DCA75 SCR100 ZEN50 Notes
Resistance Measurement         ESR70 measures 0.00 to 40R. LCR40/45 measures 1R to 2MR.
Inductance Measurement           LCR40 min resolution of 0.8uH, LCR45 0.2uH.
Low Value Capacitance (<1uF) Measurement           LCR40 min resolution of 0.5pF, LCR45 0.2pF.
High Value Capacitance (>1uF) Measurement         ESR70 up to 90000uF, LCR40/45 up to 10000uF.
ESR Measurement              
Automatic Component Type  Identification     General component type identification (not part numbers).
Complex impedance Measurement              
Magnitude and Phase of impedance              
Continuous fluid Measurements            
Manual and Auto Modes              
Automatic Pinout Identification          
In-Circuit Support             ESR70 can be used in-circuit for ESR measurement, but not in-circuit for capacitance.
Built-in sounder (pass/fail etc)            
USB communication             For firmware upgrade, component data and curve tracing.
Graphic display of component symbol              
PC based curve tracing             Curve tracing for +/-12V, +/-12mA.
Interchangeable Probe Support         Supports industry standard 2mm connectors.
Component Support                
Resistors         ESR70 measures 0.00 to 40R.
Bipolar Transistors            
"Digital" Transistors            
Darlington Transistors            
"Smart" Protected MOSFETs              
Diode Networks            
LEDs         ZEN50 supports up to 50V strings.
BiColour LEDs           Two and Three lead types.
Triacs and SCRs (Thyristors)         DCA55 test currents 5mA max. DCA75 test currents 10mA max.
Junction FETs           DCA55 will only identify the gate lead of JFETs.
SiC Normally-Off JFETs              
Zener diodes           DCA75 supports Zener voltage up to around 9V at 5mA. ZEN50 supports up to 50V at up to 15mA.
Voltage regulators             Regulator voltage up to around 8V.
Semiconductor Measurements                
PN junction voltage drop          
hFE (gain) measurement           Typically from 4 to 32000.
Bipolar leakage current            
Digital transistor resistances             Measurement of series and shunt resistors.
Digital transistor thresholds             Measurement of on/off input thresholds.
Darlington resistances             Total base-emitter resistance measurement.
IGBT gate threshold voltage              
MOSFET gate threshold voltage            
JFET pinch-off voltage              
Transconductance             Transconductance for JFETs, MOSFETs, SiC JFETs and IGBTs.
Zener voltage           DCA75 supports Zener voltage up to around 9V at 5mA. ZEN50 supports up to 50V at up to 15mA.
Zener slope resistance              
Regulator output voltage             Regulator voltage up to around 8V.
Regulator drop-out voltage              
Regulator quiescent current              
Triac and SCR gate sensitivity             SCR100 can categorise gate sensitivity from 50uA to 90mA.

More Detailed LCR Comparison Chart

Feature LCR40 LCR45
Component type detection Auto only Auto and Manual
L, C and R display Yes Yes
Min. inductance resolution 0.8uH 0.2uH
Min. capacitance resolution 0.5pF 0.2pF
Min. resistance resolution 0.6 Ohms 0.2 Ohms
Frequency selection (DC, 1kHz, 15kHz and 200kHz) Auto only Auto and Manual
Measurement scheme 1 snapshot on press Continuous (with optional hold)
Complex impedance display No Yes
Complex admittance display No Yes
Magnitude and Phase display No Yes
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