• 20-channel Transformer Tester
  
• Scanning measurement
• 320×240 dot-matrix large graphics LCD display
• Measurement frequency from 20Hz to 200kHz, with resolution of 10mHz
• 4 different signal source output impedances
• Basic accuracy of 0.1%
• Open, Short and Load correction
• 0V, 1.5V and 2V internal DC bias voltage
• 20 sets of instrument settings saved and loaded
• 40 sets of transformer scanning settings saved and loaded
• Optional: ±10V(±100mA) and 1A internal DC bias source
• Standard RS232C interface and USB interface

Specifications

• Measurement ranges:

  |Z|, R, X:	0.00001	Ω	-	99.9999	MΩ
  |Y|, G, B:	0.00001	µS	-	99.9999	S
  L:	0.00001	µH	-	99.9999	kH
  C:	0.00001	pF	-	9.99999	F
  Q:	0.00001		-	99999.9
  D:	0.00001		-	9.99999
  DCR:	1	mΩ	-	99.9999	MΩ
  θ (DEG):	-179.999	°	-	179.999	°
  θ (RAD):	-3.14159		-	3.14159
  Turns-Ratio:	1:0.01		-	100:1
  ∆%:	-999.999	%	-	999.999	%

• Test frequency: 20 Hz - 200 kHz (accuracy: 0.01%; resolution: 10 mHz)
• Test parameter: turns ratio, turns, phase, C, L, Lk, Q, ACR, DCR, balance, pin short
• Basic accuracy: DCR 0.1 % ; turns ratio 0.5 % (option: LCR Meter 0.1%)
  
• Test level: 5 mV - 10 Vrms, constant level 10mV - 1V (accuracy: 5%, resolution: 1mV) 
• Output impedance: turns ratio ≤2 Vrms:10Ω, 30Ω, 100Ω, >2Vrms 30 Ω, 100Ω , others: 30 Ω, 100Ω
• DCR display range: 1 mΩ - 99.9999 MΩ
  
• Measuring time (≥1kHz.): fast 32ms,  med 90ms, slow 650ms
• Equivalents circuit: series, parallel
• Ranging mode: auto and hold
• Trigger Mode: internal, manual, external
• Averaging rate: 1-255
• Calibration function: open / short / load
• Internal DC bias source: 0V, 1.5V, 2V (accuracy: 1%)
• Comparator-function: 10 bins and bin counters
• Memory: 20 or 40 groups of control settings can be saved (option)
  
• Interface: RS232C, USB

General Specifications

• Dimensions: 400 (Width) x 150 (Height) x 430 (Depth) mm
• Weight: 8.5 kg
• Power: 115 / 230 V ± 10 %, 50/60 Hz
• Temperature / humidity: 0°C - 40°C, ≤ 90% RH
• CE conformity, according EN 50 191

Standard accessories (inclusive)

• 4 terminal kelvin test clip leads 
• 2-terminal-test-clips-leads
• transform scan control cable
• foot switch
• Gilded shorting plate (option)
• USB interface board
• manual transformer scanning fixture
• 5mm DIP test socket
• Power cord
• Operation manual Transformer Tester
  
• Certificate of Calibration

Options

• ST26001A - 4-terminal-test-fixture
• SMD test fixtures automatic transformer test system
• SMD test tweezers
• Pneumatic transformer scanning fixture
• Axial component test fixtures
  
• 32 MB USB disk
  
• USB interface board
• GPIB interface board and cable
• RS232c interface cable
• 100 mA/10 V DC bias board
• 1 A DC bias board
• RS232C control software
  

 download ST2819X user manual