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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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0519-8852 0968 czshxu@163.com

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 (WHD)		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