LCR meter MCH2818

MCH 2818 precision LCR meter

 

MCH2818 precision LCR meter

Characteristics

 

240x128 dot-matrix large graphic LCD display
20Hz-200kHz testing frequency, 0.01Hz stepping arbitrary programming
10mVrms-2.0Vrms testing level, 0.01V stepping arbitrary programming
30Ω,100Ω alternative signal source output impedance
Open-circuit, short-circuit, load calibration function
Built-in comparator, 10 selectors sorting and counting function
RS232C, HANDLER interfaces 

Introduction

 

MCH2818 precision LCR meter is an impedance tester with high precision and wide testing range and sixs test resolution. It has high test frequency of 300kHz and 0.01Hz stepping arbitrary programming, and it has 10mV-2V signal level, all making it meet the precision test requirements of production line quality control, in-coming inspection and lab. Its HANDLER, RS232c interfaces are used for the component automatic sorting system, which provides the conditions for computer telecommunication and test recording.
Flexible frequency-response analysis:
Due to non-ideal inductor, capacitor and resistor, in order to precisely evaluate the characteristics of one component in one frequency band, MCH2818A could use its signal generation ability with 10mHz resolution to correctly analyze frequency response of the component parameters in any frequency band. In particular, it can do the precise measuring of the resonant impedance of the low-frequency ceramic resonant devices which has wide impedance range.

 

Common index

 

Working temperature, humidity

0-40, ≤90% RH

Power requirements

Voltage

198V-242V

Frequency

47.5Hz-63Hz

Power consumption

≤50VA

Space volume

320mmX140mmX400mm

Weight

About 3.5kg

 

Technical index

 

Test functions

Test parameters

Z, C, L, X, B, R, G, D, Q, θ

Basic precision

0.05%

Equivalent circuit
Mathematical function

Serial, parallel
Absolute error, percentage error

Range mode

Automatic, hold

Trigger mode

Internal, manual, outside, bus

Test speed

Slow: 650ms
Middle: 90ms
Fast: 32ms

Calibration function

Open-circuit, short-circuit, load calibration

Test ports

Five ports

Average times

1-255

Display mode

Direct reading, ABS, %, V/I
(voltage/ current test), selector counting

Display

240x 128 dot-matrix graphic LCD display, six digits resolution

Test signal

Test signal frequency

20Hz-200kHz, 0.01Hz stepping arbitrary programming

Test signal level

0.01Vrms-2.0Vrms, 0.01V stepping arbitrary programming

Signal output impedance

30Ω,100Ω alternative

Test display range

Z, R, X

0.00001Ω-99.9999MΩ

C

0.00001pF-999.99mF

L

0.00001μH-9.99999kH

G,B

0.00001μs-999.999s

D

0.00001-9.99999

Q

0.00001-99999.9

θ(DEG)

-179.999°-179.999°

θ(RAD)

-3.14159-3.14159

%

-999.999%-999.999%

Comparator and interface

Comparator

10 selectors, 9 qualified, 1 unqualified. The other one is supplementary.

Interfaces

RS232C, HANDLER