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Keyword 1:
Component Tester
Keyword 2:
Frequecny ≤300kHz, LCR
Keyword 3:
Precision Type
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thth

TH2840B

Super Fast LCR Meter
Frequency 20Hz-2MHz.
Basic Accuracy: 0.05%
AC Signal: 20V/100mA
DC Bias: 0+/-40V, 0+/-100mA
AC Current Source: +/-2A
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Product description

Features

■ Test frequency: 20Hz-2MHz

■ High stability and consistency: 14 range configurations

■ High power: signal level: 20VAC/100mAAC

   Built-in DC bias: ±40VDC/100mADC

   Built-in current source: ±2A

■ DCR level: 20VDC/100mADC

■ High speed: dual CPU architecture, measurement speed up to 1000 times/s

■ High resolution: 10.1 inches, resolution 1280*800, capacitive touch screen

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

■ Four-parameter measurement

■ 201 point multi-parameter list scanning function

■ Graphic scanning function, 4 trajectories can be selected arbitrarily, support 1/2/4 split screen

■ Sorting function: 10 levels of sorting in LCR mode

■ High compatibility: support SCPI/MODBUS instruction set, compatible with KEYSIGHT E4980A, E4980AL, HP4284A

 

Specifications

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 F1MHz 5mVrms-20Vrms
F1MHz 5mVrms-15Vrms
Accuracy ±10%×Set Value+2mV) (AC less than 2Vrms)
±10%×Set Value+5mV)(AC2Vrms
Resolution 1mVrms5mVrms-0.2Vrms
1mVrms0.2Vrms-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

 

Accessary

Standard
Accessories name Model  
Fixture TH26048
Short circuit TH26010 z
Kelvin test lead with box four-terminal insulation and lock TH26011BS
Optional
Accessories name Model  

 

Keyword:
TH2840A
TONGHUI
LCR METER
RLC METER
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