U2729C Automatic Transformer Test System

Test function: 20-channel transformer scanning test
Test frequency: 20Hz – 1MHz
Test level: 5mV- 2V
Test speed: Fast:75meas/sec, Medium: 20meas/sec, Slow: 6meas/sec
Internal bias: -5V – +5V continuous; accuracy：1%
Comprehensive transformer tester: Pneumatic transformer scanning fixture

keywords: LCR Meter Capacitance Meter

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Automatic Transformer Test System

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Commodity name: U2729C Automatic Transformer Test System
Commodity ID: 1070438197206077440

Test function: 20-channel transformer scanning test Test frequency: 20Hz – 1MHz Test level: 5mV- 2V Test speed: Fast:75meas/sec, Medium: 20meas/sec, Slow: 6meas/sec Internal bias: -5V – +5V continuous; accuracy：1% Comprehensive transformer tester: Pneumatic transformer scanning fixture

Brief Introduction:

U2729 Series Automatic Transformer Test System is exclusively used in quality inspection for a variety of electronic transformers. This system can provide the test frequency of 20Hz-1MHz and all kinds of low-voltage transformer parameters can be scanned, including Inductance L, Leakage Inductance (Lk), Turns-Ratio (Tr), DC resistance (DCR), Impedance (|Z|), Capacitance (between windings) (C), Quality Factor (Q), ESR and Phase, Pin short inspection PS, balance test BAL, LED, forward voltage drop Vf/ reverse current Ir test. Adopting advanced digital sampling technique and high-speed scanning test fixture can meet the efficient and accurate testing requirements of many switching transformer and network transformer manufacturers.

Features:

U2729A/B/C host machine

■ 7-inch 16:9 TFT LCD display with resolution of 800*480

■ Maximum test frequency: 1MHz; resolution:1mHz

■ Maximum test speed: 75meas/sec，stable reading

■ Amplitude range of test signal：5mV — 2V (standard);5mV – 10V (enhanced)

■ Basic test accuracy：0.05%

■ All test data can be displayed on one screen.

■ Open/short/load correction, flexible transformer deviation deduct manner

■ Optional ±100mA, ±10V bias voltage source and 0 – 1A bias current source

■ Internal memory for 100 groups of files and U-disk for 500 groups

■ Test data and screen graphs can be saved to U-disk in several formats

■ Multiple file search modes: fuzzy search, accurate search and bar-code search

■ To load the test files through bar-code reading

■ Abundant interfaces：RS232C, USBTMC, USBCDC, HANDLER, GPIB

■ Optional WIFI module to build Internet of Things

■ Be equipped with BNC trigger to realize external foot switch connectionIn accordance with LXI standard，rapid building of test system

■ Optional programming software of test setting files for PC terminalTransformer Scanning Test Fixture

■ Optimized relay matrix structure，small on resistance and low distributed capacitance

■ Providing 4 transformer soft output pin test

■ Standard HANDLER interface

■ Optional manual and pneumatic transformer fixed form

■ Optional transformer pin fixture

■ Standard external starting signal input

General Specifications:

U2729A series
Temperature & Humidity		0°C－40°C, £90%RH
Power supply	Power supply	198V－242V
	Power supply	47.5Hz－63Hz
Power supply		≤ 80 VA
Power supply(W×H×D)		400mm×132mm×350mm
Weight		Approx. 10 kg
U2901
Temperature & Humidity		0°C－40°C, £90%RH
Dimension (W×H×D)		240mm×230mm×56mm
Weight		Approx.3 kg

System characteristics
Test frequency and function		U2729A	20Hz – 300kHz	20-channel transformer scanning test
		U2729B	20Hz – 500kHz
		U2729C	20Hz – 1MHz
		U2839A	20Hz – 300kHz	20-channel transformer scanning test +LCR digital electric bridge
		U2839B	20Hz – 500kHz
		U2839C	20Hz – 1MHz
Test function
LCR test parameters		\|Z\|, \|Y\|, C, L, X, B, R, G, D, Q, DCR, TURN, Phase
Transformer scanning parameters		Turn ratio, Turns, Phase, L, C, Lk, Q, ACR, DCR, Balance, Pin short, LED
Basic accuracy		LCRZ，DCR：0.05%， Turn ratio：0.1%
Test time(≥10kHz)		Fast:75meas/sec, Medium: 20meas/sec, Slow: 6meas/sec
Equivalent circuit		Serial, Parallel
Range mode		Auto, Hold, Manual
Trigger mode		Internal, Manual, External, Bus
Average times		1—255
Delay time		0—60s, 1ms resolution
Calibration function		Open/Short dot frequency, full frequency zero clearing, Load calibration
Test signal
Test signal level		LCR test：5 mV－2V；5mV – 10V(optional); Turns test：5 mV－10V; Auto level range：5 mV－1 V accuracy：5%， resolution：1mV
Output impedance		10Ω/CC , 25Ω ,50Ω , 100Ω selectable
DC bias (internal)		-5V – +5V continuous; accuracy：1%
Measurement display range
\|Z\|, R, X	0.00001 Ω — 99.9999 MΩ
DCR	0.00001 Ω — 99.9999 MΩ
\|Y\|, G, B	0.00001µS — 99.9999 S
C	0.00001 pF — 9.9999 F
L	0.00001 µH — 99.9999 kH
D	0.00001 — 9.99999
Q	0.00001 — 99999.9
θ (DEG)	-179.999º — 179.999 º
θ (RAD)	-3.14159 — 3.14159
Turn-Ratio	1：0.001—1000：1
Δ%	-999.999% — 999.999%
Other
Comparator (LCR)	10-bin sorting, bin counter
Storage	Internal memory for 100 groups of files and U-disk for 500 groups
Interface	RS232C，USBTMC, USBCDC, Handler(option)，GPIB(option)，WIFI(option)

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