Precision Capacitance Meter TH2638

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Overview
Quick Details
Place of Origin:
Jiangsu, China (Mainland)
Brand Name:
Tonghui
Model Number:
TH2638
Frequency:
1MHz
Basic accuracy:
0.07%
Test Speed:
2.3ms/s
D factor:
0.0005
Supply Ability
Supply Ability:
50 Set/Sets per Month
Packaging & Delivery
Packaging Details
1.Carton Package
2.Dimension:369*108*408(mm)
3.Net weight:5kg
Port
Shanghai
Lead Time :
2-3 weeks

Introduction

 

TH2638 series is a new precision capacitance meter with higher test frequency. With small size and portable appearance, it is convenient for use on the shelves. With basic accuracy of ±0.07%, loss accuracy of 0.0005, test frequency up to 1MHz, 4.3 inch LCD screen, selectable Chinese-English operation interface, TH2638 series is easy to operate and provide fast and reliable test for ceramic capacitor production. Also, it can test all kinds of capacitors from low value to high value. The results of testing one capacitor for several times are quite stable and accurate, even for lower value capacitors. The tester is compatible with SCPI command set, and configured with manipulator and scanner interface, the scanner interface can scan the open/short/load error calibration in each channel, 256 channels at most. In low frequency, there is signal level compensation function. When the impedance is very small, the internal resistance in signal source and test cable will cause the voltage on terminal of DUT lower than the set range, then this function will adjust the level to the set range.

 

There is an additional inspection function for failed contact especially for production lines, which can detect the failed contact between DUTs with tester and no extra time is needed to carry out this operation. It keeps the same signal source function as the real test, where there is the real test, the test signal can be generated in DUT, and there is no any test signal when connect and disconnect the DUT, thus it will reduce the damage to the fixture or test point when there is big current in failed contact. When the test frequency is 1MHz, the test frequency can be set Rel (offset value is ±1%,±2%). In array capacitor test, this function can eliminate the noise between adjacent terminals and reduce the difference of test results. There is feed box with tester, so user can set 9 boxes based on the result of C-D/Q/R/Q to find out the pass and fail products and then put into different boxes.

 

 

 

Mode

TH2638

TH2638A

Test parameters

Cp-D, Cp-Q, Cp-Rp, Cp-G, Cs-D, Cs-Q, Cs-Rs

Test signal

Frequency

Permitted frequency

100Hz,120Hz, 1kHz,10kHz,100kHz,1MHz, 1MHz±1%,

1MHz±2%

100Hz,120Hz, 1kHz,10kHz,100kHz

 

Accuracy

±0.02%

Level

Range

0.1V-1V

Resolution

0.01V

Accuracy

±5%

Output mode

Continuous or synchronous

Signal source delay

Range

0-1s

Resolution

0.1ms

Signal level compensation

100/120Hz

220μF, 470μF, 1mF range

1kHz

22μF, 47μF, 100μF range

Output impedance

100 Hz

120Hz

SLC OFF ( ≥ 220μF range)   1.5 Ω

SLC ON ( ≥ 220μF range)    0.3 Ω

2.2μF - 100μF range         0.3 Ω

10 nF - 1μF range          10 Ω

1kHz

 

SLC OFF ( ≥ 22μF range)    1.5 Ω

SLC ON ( ≥ 22μF range)     0.3 Ω

220 nF - 10μF range         0.3 Ω

100 pF - 100 nF range       10 Ω

10kHz

100kHz

10 Ω

1MHz

1MHz±1%

1MHz±2%

10 Ω

-------------------

Test speed

5-bin test speed: 1, 2, 4, 6, 8

Max. Test speed

100/120Hz

11ms

1kHz

3ms

10k/100k Hz

2.3ms

1MHz

2.3ms

-------------------------------

Test range mode

Auto, Hold

Test signal frequency range

100Hz

120Hz

10 nF , 22 nF , 47 nF , 100 nF

220 nF , 470 nF , 1μF , 2.2μF

4.7μF , 10μF , 22μF , 47μF

100μF , 220μF , 470μF , 1 mF

1k Hz

100 pF , 220 pF , 470 pF , 1 nF

2.2 nF , 4.7 nF , 10 nF , 22 nF

47 nF , 100 nF , 220 nF , 470 nF

1μF , 2.2μF , 4.7μF , 10μF

22μF , 47μF , 100μF

10k Hz

100 pF , 220 pF , 470 pF , 1 nF

2.2 nF , 4.7 nF , 10 nF , 22 nF

47 nF , 100 nF , 220 nF , 470 nF

1μF , 2.2μF , 4.7μF , 10μF

100k Hz

10 pF , 22 pF , 47 pF , 100 pF ,

 220 pF , 470 pF , 1 nF

2.2 nF , 4.7 nF , 10 nF , 22 nF

47 nF , 100 nF

1MHz

 

1 pF , 2.2 pF , 4.7 pF, 10 pF , 22 pF , 47 pF, 100 pF , 220 pF,

470 pF , 1 nF

-------------------------

Average times

1 – 256

Trigger mode

Internal, Manual, External, Bus

Internal, Manual, External, Bus (except GPIB)

Trigger delay time

Range

0 – 1s

Resolution

0.1ms

Measurement display range

Parameters

Cs , Cp

±1.000000 aF to 999.9999 EF

D

±0.000001 to 9.999999

Q

±0.01 to 99999.99

Rs, Rp

±1.000000 aΩ to 999.9999 EΩ

G

±1.000000 aS to 999.9999 ES

Δ%

±0.0001 % to 999.9999 %

Display mode

Floating / fixed decimal point display, ΔABS, Δ%

List sweep

10 list sweep, sweep item: frequency , voltage

Comparator function

11 bins:  BIN1~BIN9, OUT_OF_BIN, AUX_BIN

Interface

RS232C , LAN , USB CDC , HANDLER , GPIB , Scanner

RS232C , LAN , USB CDC , HANDLER

Internal storage

40 setting files

External USB storage

GIF image

40 setting files

test data and screen shot can be saved in the USB storage directly

General Specifications

Temperature, humidity, height (operating environment)

non-condensing

Power supply

voltage

90VAC – 264VAC

frequency

47Hz - 63Hz

power

Max.:150VA

Temperature, humidity, height (Storage environment)

 

non-condensing

 

 

 

 

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