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Home » Products » Transformer Tester » Power Transformer Tester

Power Transformer Tester

Power Transformer Tester
Power Transformer Tester
Product Code : 03
Price And Quantity
  • Minimum Order Quantity
  • 1
  • Unit of Measure
  • Unit/Units
Product Description

Features :

  • 7-inch 16:9 TFT LCD display with a resolution of 800×480
  • Simple and elegant appearance
  • Easy and flexible panel operation
  • Up to 1MHz test frequency, 0.5mHz resolution
  • Signal amplitude range: 5mV to 10Vrms, 100μV resolution
  • Test speed is up to 75meas/sec.
  • Wider impedance test range and better stability for small- signal test
  • Built-in 0-100mA/0-10V bias source (standard) or 1A bias source (optional)
  • Diode P/N characteristic detection can test all parameters of network transformer.
  • Improved high turn ratio and weak coupling transformer test ability
  • Improved DCR test ability for low-ohm winding
  • One screen is enough to show all test results.
  • To display one or two groups of primary and secondary parameters is selectable in LCR test.
  • Compatible with TH1901 and TH1805 20-pin transformer scanning fixtures
  • Flexible time-labeling system: time of file setting, calibration and deduction can be saved.
  • Sort the selected scanning parameters
  • Self-test scanning fixture relays and ensure they work well.
  • Flexible deviation and deduction modes
  • Multiple handling ways for FAIL cases
  • Single parameter test cycle can be used to test a separate winding.
  • Two separate passwords for administer and operator can improve test security and reliability.
  • Internal memory for up to 200 setting files and external USB memory for more
  • Test data and graphs can be saved as CSV, GIF format to USB memory.
  • The built-in software provides analysis abilities, such as Cpk, Cp and Ck.
  • Bar-code reading function can be used to select a setting file or to manage the type of test products.
  • Search functions such as file search, fuzzy search, accurate search, code-bar search are available.
  • Parameter setting files are compatible with TH2818X/ TH2819X.
  • To program setting files through PC
  • To upgrade operation software of USB HOST and RS232C online
  • Multiple interfaces are optional for PC communication.
  • To network multiple testers through LAN interface

Technical Specification :



20-Pin Transformer Scanning Test +LCR Test (Optional) TH2829X provides a 10-hour function-experience for LCR test. The experience version will be automatically turned off after 10 hours of using. If you do need this function, please contact our salesmen or distributors and provide your detailed instrument serial number.



Basic accuracy
(See operation manual)



DCR, Turn ratio



Warm-up time ≥ 30 minutes, Environment temperature: 23+5oC, Signal voltage: 0.3Vrms – 1Vrms Zeroing: After OPEN or SHORT Length of test cable: 0 m

Frequency of test signal


Range: 20Hz-200kHz

Min. resolution: 0.5mHz Accuracy: 0.01%


Range: 20Hz-500kHz


Range: 20Hz-1MHz

Output impedance of signal source

10Ω, 30Ω, 50Ω, 100Ω(selectable), +1% @1kHz

Level of AC test



Min. resolution: 100μV, accuracy: 10%xset


Min. resolution: 1μA


Min. resolution: 100μV, accuracy: 10%xset


Min. resolution: 1μA

DC bias voltage


0V- + 10V

Min. resolution: 0.5mV, accuracy: 1%x set voltage+5mV

0mA-+ 100mA

Min. resolution: 0.5μA

DC constant current source (optional) (for diode P/N characteristic test)

0 - + 120mA

Min. resolution: 0.5μA, accuracy: 1%x set
Load open voltage: ≤ 5 V

DC bias current source (optional, TH2901)

0 - + 1A

Min. resolution: 0.5mA, accuracy: 1%x set
Load open voltage: < 9 V

Transformer test parameters

Turn Ratio, Turns, Phase, L, C, Lk, Q, ACR, DCR, Balance, Pin Short, Diode P/N

LCR test parameters

|Z|, |Y|, C, L, X, B, R, G, D, Q, θ, DCR, Turn-Ratio,Phase, Lk

Display range of DCR

0.00001 Ω - 999.999 MΩ

Display range of turn ratio

1:0.001 - 1000:1

Display ranges of LCR parameters

|Z|, R, X 0.00001Ω - 99.9999MΩ
|Y|, G, B 0.00001μs - 99.9999s
C 0.00001pF - 9.99999F
L 0.00001μH - 99.9999kH
D 0.00001 - 9.99999
Q 0.00001 - 99999.9
θ(DEG) -179.999º - 179.999º
θ(RAD) -3.14159 - 3.14159
Δ% -999.999% - 999.999%

Diode test

Positive voltage

0 - 9.9999 V

Negative curren

0 - 9.9999 mA

Measurement speed(>10 kHz)

Fast: 75meas/ sec(13ms), Medium: 11meas/ sec (90ms), Slow: 2.7meas/ sec (370ms)

Equivalent circuit

Serial, Parallel

Range mode

Auto, Hold

Trigger mode

Internal, Manual, External, Bus

Average times

1 - 255

Calibration function

Open, Short, Load

Math operation

Direct reading, ΔABS, Δ%

Delay time

0 - 60.000s, 1ms resolution


10-bin sorting, BIN1~BIN9, NG, AUX
Bin counter
PASS/FAIL on front panel, LED indication on scanning fixture


200 sets of LCRZ setting files
200 sets of setting files for transformer scanning
10 sets of GIF files


Control interface

HANDLER (optional) on rear panel
SCANNER(compatible with TH1901A/B, TH1805A/B transformer scanning fixtures)

Communication interface

LAN, GPIB (optional), USB HOST, RS232C

Memory interface

USB HOST (USB memory or bar-code scanning)

General Specifications

Operating environment


0oC - 40oC,


< 90%RH

Power supply


99V-121V AC, 198V-242V AC


47Hz - 63Hz


Max. 80 VA

Dimension (W×H×D)



Approx. 13 kg

Trade Information
  • Payment Terms
  • Cash on Delivery (COD), Cash Advance (CA), Cash in Advance (CID), Others, Cheque, Telegraphic Transfer (T/T)
  • Delivery Time
  • Days
  • Sample Available
  • Yes
  • Sample Policy
  • Contact us for information regarding our sample policy
  • Packaging Details
  • Standard packing
  • Main Export Market(s)
  • Asia, Australia, Central America, North America, South America, Eastern Europe, Western Europe, Middle East, Africa
  • Main Domestic Market
  • All India
  • Certifications
  • Tin No- 07110462956


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Contact Details
E-122, Dilshad Garden Industrial Area, Delhi - 110095, India
Phone : +917042416716
Mr. Tarun Sharma (Proprietor)
Mobile : +919891623354
Corporate Office: E-122 Dilshad Garden Industrial Area, Near Gurudwara Delhi 110095
VARUN ENTERPRISES All Rights Reserved.