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
Inductors
Capacitors
Resistors								ESR70 measures 0.00 to 40R.
Bipolar Transistors
"Digital" Transistors
Darlington Transistors
MOSFETs
"Smart" Protected MOSFETs
Diodes
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.
IGBTs
Voltage regulators								Regulator voltage up to around 8V.

Semiconductor Measurements
PN junction voltage drop
h_FE (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