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ZC2876/ZC2877/ZC2878 high frequency LCR digital bridge
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ZC2876/ZC2877/ZC2878 high frequency LCR digital bridge

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Brief introduction

The high-frequency precision bridge is a multi-function component tester for testing various electronic components. It uses the most popular 7-inch 800x480 color TFT LCD display, which enables users to read test results more intuitively and comfortably. It is an impedance measuring instrument with high speed, wide test range and 6-bit test resolution, which can meet the requirements of production line quality assurance, incoming inspection and laboratory measurement.

Performance characteristics

  • Four parameter display, any combination of parameters, up to 12 measurement parameters
  • 7-inch 16:9 TFT LCD display, resolution 800x480 RGB
  • 0.05% basic measurement accuracy, fast test speed (200 times/sec)
  • 20Hz-5MHz test frequency, resolution 10 mHz
  • Up to 200 times/s measurement speed
  • Automatic level control ALC function of test voltage or current
  • 30 Ω, 100 Ω, 50 Ω, 10/CC four different signal source output impedance
  • Built-in comparator, 10 file sorting and file counting function
  • Frequency response curve drawing analysis function
  • 10-point list scan function
  • Internal -5V~+5V DC bias voltage source
  • Optional ±10V (±100mA) and 1 A internal DC bias source
  • 100 sets of internal setting files are saved or recalled, and 500 sets of test files are saved or recalled by U disk
  • The instrument software version can be upgraded and updated through USB HOST
  • U disk can support format FAT16, FAT32 file system
  • Standard RS232C, HANDLER, USB HOST, headphone interface, optional GPIB, LAN interface

Technical index

Operating temperature, humidity

0℃-40℃,90%RH

Power requirements

Voltage

99V-121V  198V-242V

frequency

47.5Hz-63Hz

Power consumption

≤80VA

Volume (W*H*D)

398mm×129mm×370mm

weight

About 9kg

Technical Parameters

Instrument model

ZC2878

ZC2877

ZC2876

Measurement function

Test parameters

|Z|,|Y|,C, L,X,B,R,G,D,Q,θ,DCR

Basic measurement accuracy

0.05%

0.1%

Equivalent Circuit

Series Parallel

Math function

Absolute deviation

Range method

Automatic, hold, manual selection

Trigger method

Internal, manual, external, bus

Measuring speed (≥1kHz)

Fast: 75 times/sec (fastest)
Medium speed: 50 times/sec
Slow speed: 5 times/sec

Fast: 200 times/sec (fastest)
Medium speed: 40 times/sec
Slow speed: 5 times/sec

Average times

1—255

Delay time

0-60s, step by 1ms

Calibration function

Open circuit / short circuit / load

Test terminal configuration

Five ends

List scan

10-point list scan function

Display method

Direct reading, Δ, Δ%, V/I (measured voltage/current monitoring)

monitor

6-bit resolution, 800×480 RGB 7-inch 16: 9 TFT LCD display

Test signal

Test signal frequency

20 Hz-1MHz, 10mHz resolution

20 Hz-2MHz, 10mHz resolution

20 Hz-5MHz, 10mHz resolution

Output impedance

30Ω, 100Ω, 50Ω, 10/CC can be selected

Test signal level

Normal: 5 mV-2V
Accuracy: 10%, 1 mV step
Constant level: 10 mV-1 V Accuracy: 5%, 1mV step

Normal: 5 mV-5V Accuracy: 10%, 1 mV step
Constant level: 10mV-1V Accuracy: 5%, 1mV step

DC bias source

internal

0V,1.5V,2V

0V-5V continuously adjustable, 1mV step

Optional

ZC6802A: 0-10V DC bias voltage, 0-100mA DC bias current

ZC6802B: 0-1A DC bias current

Display range

|Z|, R, X

0.01m Ω — 99.9999 MΩ

DCR

1 mΩ — 99.9999 MΩ

|Y|, G, B

0.00001µS — 99.9999 S

C

0.00001 pF — 9.9999 F

L

0.00001 µH — 9999.99 H

D

0.00001 — 9.9999

Q

0.00001 — 9999.9

θ (DEG)

-179.999°— 179.999°

θ (RAD)

-3.14159 — 3.14159

other

Comparator function

Ten files: (Nine files are qualified, one file is unqualified), and there is an auxiliary file AUX

Memory

100 sets of internal instrument settings for storage/recall

interface

RS-232C, HANDLER, GPIB(optional), LAN (optional), USBTMC, USBCDC

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2021-04-12 12:29:00
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