Tonghui Th2840A Precision Lcr Meter with 20Hz-500kHz

• After-sales Service: Lifelong
• Function: Measurement of Lcr
• Display: 7-Inch (Diagonal)TFT LCD Display
• Usage: Electric Component Tester, Gas Sensor Tester, Catalytic Element Tester, Lightning Protection Device Tester, Lcr Meter
• Type: Lcr Meter
• Environment: Room Temperature
• Model NO.: TH2840A
• Warranty: With Warranty
• Power Source: DC 100V-300V
• Weight: 〉10Kg
• Installation: Direct Connected
• Customized: Customized
• Equivalent Circuit Analysis: 3-Element Model: 4, 4-Element Model: 3
• Sorting: 10 Levels of Sorting in Lcr Mode; Each Curve in S
• Test Terminal Configuration: Four Terminal Pair
• Product Name: Tonghui Th2840A Precision Lcr Meter with 20Hz-500
• Frequency: 20Hz-500kHz
• Graphic Scan: Parameter Frequency, Acv, Aci, Dcv, Dci
• Interface: RS232c, USB Host, USB Device, LAN, Gpib, Handler,
• Size: 430mmx177mmx265mm
• Power Consumption: More Than 130va
• Transport Package: Carton
• Specification: 55x54x33cm
• Trademark: Tonghui
• Origin: China
• HS Code: 9030339000
• Production Capacity: 2000 Sets Per Month

Product Description

Product Description

 

Brief Introduction

Features

 Test frequency: 20Hz-500kHz

 High precision: using automatic balance bridge technology, four-terminal pair test configuration

 High stability and consistency

 High speed: the fastest test speed up to 5ms

  High resolution: 10.1-inch capacitive touch screen, resolution 1280*800

 Three test methods: point test, list scan, and graph scan

  1601 point multi-parameter list scanning function

  Four-parameter measurement

  4-channel graphic scanning function, each channel can display 4 curves, 16 kinds of split-screen display modes for channels and curves

  Powerful sorting: 10 grades sorting in LCR mode

  Graphic scanning mode, each curve is sorted individually

  High compatibility: Support SCPI instruction set, compatible with KEYSIGHT E4990A, E4980A, E4980AL, HP4284A

Technical Parameter

Model			TH2840A	TH2840B
Display	Display		10.1" Touch Screen
	Ratio		16:09
	Resolution		1280×RGB×800
Parameter	Test Mode		Four Parameter Selectable
	AC		Cp/Cs, Lp/Ls, Rp/Rs, |Z|, |Y|, R, X, G, B, θ, D, Q, VAC, IAC
	DC		RDC, VDC, IDC
Frequency	Range		20Hz-500kHz	20Hz-2MHz
	Accuracy		0.01%
	Resolution		0.1mHz (20.0000Hz-99.9999Hz)
			1mHz (100.000Hz-999.999Hz)
			10mHz (1.00000kHz-9.99999kHz)
			100mHz (10.0000kHz-99.9999kHz )
			1Hz (100.000kHz-999.999kHz)
			10Hz (1.00000MHz-2.00000MHz)
AC test  signal mode	Rated value  (ALC OFF)		Set the voltage as the Hcur voltage when the test terminal is open
			Set the current to be the current flowing from Hcur  when the test terminal is short-circuited
	Constant value  (ALC ON)		Keep the voltage on the DUT the same as the set value
			Keep the current on the DUT the same as the set value
Test Level	AC Voltage		5mVrms-20Vrms	F≤1MHz 5mVrms-20Vrms
				F>1MHz 5mVrms-15Vrms
	Accuracy		±(10%×Set Value+2mV) (AC less than 2Vrms)
			±(10%×Set Value+5mV)(AC>2Vrms)
	Resolution		1mVrms(5mVrms-0.2Vrms)
			1mVrms(0.2Vrms-0.5Vrms)
			1mVrms(0.5Vrms-1Vrms)
			10mVrms(1Vrms-2Vrms)
			10mVrms(2Vrms-5Vrms)
			10mVrms(5Vrms-10Vrms)
			10mVrms(10Vrms-20Vrms)
	AC Current		50μArms-100mArms
	Resolution (100Ω Internal Resistance)		10μArms (50μArms-2mArms)
			10μArms (2mArms-5mArms)
			10μArms (5mArms-10mArms)
			100μArms (10mArms-20mArms)
			100μArms (20mArms-50mArms)
			100μArms (50mArms-100mArms)
RDC Test	Voltage		100mV-20V
	Resolution		1mV(0V-1V)
			10mV(1V-20V)
	Current		0mA-100mA
	Resolution		10μA(0mA-10mA)
			100μA(10mA-100mA)
DC Bias	Voltage		0V-±40V
	Accuracy		AC=<2V 1%× Set Value+5mV
			AC>2V 2%×Set Value+8mV
	Resolution		1mV(0V-1V)
			10mV(±1V- ±40V)
	Current		0mA-±100mA
	Resolution		10μA(0mA-10mA)
			100μA(10mA-100mA)
Built-in current  source	Current		0mA-2A
	Accuracy		I>5mA ±(2%×Set Value+2mA)
	Resolution		1mA
Test terminal configuration			Four Terminal Pair
Test cable length			0m, 1m, 2m, 4m
Output impedance			30Ω, ±4%@1kHz
			100Ω, ±2%@1kHz
Computation			The absolute deviation from the nominal value Δ,    the percentage deviation from the nominal value Δ%
Equivalent way			Series,  Parallel
Calibration function			OPEN,  SHORT,  LOAD
Measurement average			1-255
Range selection			AUTO,  HOLD
Range  configuration	LCR		100mΩ, 1Ω, 10Ω, 20Ω, 50Ω, 100Ω, 200Ω, 500Ω, 1kΩ, 2kΩ, 5kΩ, 10kΩ, 20kΩ, 50kΩ, 100kΩ
	Rdc		1Ω, 10Ω, 20Ω, 50Ω, 100Ω, 200Ω, 500Ω, 1kΩ, 2kΩ, 5kΩ, 10kΩ, 20kΩ, 50kΩ, 100kΩ
Measuring time (ms)			Fast+: 1ms
			Fast:3.3ms
			Middle: 90ms
			Slow: 220ms
Highest accuracy			0.05% (refer to the instruction manual for details)
Measurement display range
Cs, Cp			0.00001pF-9.99999F
Ls, Lp			0.00001μH-99.9999kH
D			0.00001-9.99999
Q			0.00001-99999.9
R, Rs, Rp, X, Z, RDC			0.001mΩ-99.9999MΩ
G, B, Y			0.00001μs-99.9999S
VDC			±0V-±999.999V
IDC			±0A-±999.999A
θr			-3.14159-3.14159
θd			-179.999°-179.999°
Δ%			±(0.000%-999.9%)
Multi-function  parameter  list scan	Dots Number		201 points,  average times can be set for each point, and each point can be sorted  separately
	Parameter		Test frequency, AC voltage,  AC current, DC BIAS voltage, DC BIAS current (100mA), DC BIAS current (2A)
	Trigger mode		Sequence SEQ: After a trigger, measure at all sweep points, and /EOM/INDEX will output only once
			Step STEP: Perform a sweep point measurement each time it is triggered, and each point outputs /EOM/INDEX,  but the list sweep comparator result is only output at the last /EOM
	Other features		1. Scan parameters and test parameters have multiple copy functions
			2. Delay can be set for each scan point
	Comparators		Each sweep point can measure up to four test parameters, each parameter can set upper and lower limits, all test parameters are qualified,  output PASS signal,  otherwise output FAIL signal, no upper and lower limits are set,  no judgment
Graphic scan	Scan points		51, 101, 201, 401, 801 Optional
	The results		The extreme value of each parameter and the sweep parameter value at the point where the cursor is located and the corresponding test parameter value
	Scan trajectory		1-4 test parameters can be selected arbitrarily, the scanning curve can be divided into one screen, two screens, or four screens.
	Display range		Real-time automatic,  locked
	Coordinate ruler		Logarithmic,  linear
	Scan parameters		Frequency,  AC voltage,  AC current,  DCV BIAS / DCI BIAS (100mA) / DCI BIAS (2A)
	Trigger  mode	single	Manually trigger once,  and complete a scan from the start point to the end point, and the next trigger signal starts a new scan
		continuous	Infinite loop scanning from start to end
	Results save		Graphics,  files
Comparators	Bin		10Bin, PASS, FAIL
	Bin deviation setting		Deviation value,  percentage deviation value,  off
	Bin mode		Tolerance,  continuous
	Bin count		0-99999
	Discrimination		Up to four parameter limit ranges can be set for each file. The corresponding file number  is displayed within the setting range of the four test parameter results.  If the maximum file number range is exceeded,  FAIL is displayed. The test parameters  without the upper and lower limits are automatically ignored.
	PASS/FAIL indication		Meet Bin1-10,  the PASS light on the front panel is on,  otherwise the FAIL light is on
Data cache			201 measurement results can be read in batches
Store call	Inside		About 100M non-volatile memory test setting file
	External USB		Test setting file,  screenshot graph,  record file
Keyboard lock			The front panel keys can be locked,  other functions to be expanded
Interface	USB HOST		2 USB HOST ports,  can connect mouse and keyboard at the same time,  only one U disk can be used at the same time
	USB DEVICE		Universal serial bus socket,  small type B (4 contact positions); compatible with USB TMCUSB488 and USB2.0,  the female connector is used to connect an external controller.
	LAN		10/100M Ethernet adaptive
	HANDLER		Used for Bin signal output
	External DC BIAS control		Support TH1778A
	RS232C		Standard 9-pin,  cross
	RS485		Can accept modification or external RS232 to RS485 module
Power-on warm-up time			60 Minutes
Input voltage			100-120VAC/198-242VAC Option, 47-63Hz
Power consumption			More than 130VA
Size (WxHxD) mm3			430x177x265
Weight (kg)			11kg

Detailed Photos

Packaging & Shipping

Company Profile

 

Chuangkai Electronic Co., Ltd is leading company specialized in producing, developing & selling various types of measuring instruments and testing equipment, such as temperature data logger, LCR meter, DC resistance tester (micro ohm meter), digital power meter, power supply, transformer tester, battery tester, programmable DC electronic load, charger, temperature controller, tachometer, high voltage signal-amplifier, power amplifier, etc.

FAQ: 
Q. How is your company's product after-sales service system?
A. The product warranty period is 12 months, we can provide lifetime maintenance. We have professional pre-sales and after-sales teams that can respond to you within 24 hours to resolve technical issues. We provide one-to-one after-sales service.

Q: Can you customize it?
A: Yes, we accept customization according to customer's specific requirements.

Q. How long is your lead time? If I want to customize instruments, how long will it take?
A. When order quantity is 1-10 units, we have ready stock goods, we can ship out within 3-5 working days after receipt of deposit; products required new production of common materials, usually the lead time is about 10-15 days; products requiring new production of special and rare materials, usually the lead time is about 20-30 days.

Q. What payment method do you accept?
A. Our company accept payment method of T/T (bank transfer), Western Union, PayPal and so on.

Q. What package do you use for your products? What shipping method do you use?
A.1. Our company use standard exporting carton for packing. 2. We ship via express courier (door to door service), by air, and by sea according to customers' requirements.

For more questions, please feel free to send inquiries to us.