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Semco 3544 IR Tester


HT3544 Precision Resistance Tester, Offering 0.02% basic accuracy, 0.1μΩminimum resolution, 1A maximum test current, With measurable range 0.1μΩ~3.3MΩ.Anti-interference measurement is achieved by protecting the probe used by the port and increasing the test current. Equipped with RS232/RS485/LAN interfaces and EXT I/O port, HT3544 multi-channel resistance meter is especially suitable for supporting ATE line to complete automatic test.

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SKU: Semco SI HP 3544 Category:


About the Product:


Model SI HT3544
Display 3.5 inch  TFT-LCD display
Measurement items ESR, temperature
Basic accuracy 0.1%±10 reading (3mΩ,30mΩ,3MΩ); 0.05%±4 readings;0.02%±2 readings(the other ranges)
Measurement range 3mΩ/30mΩ/300mΩ/3Ω/30Ω/300Ω/3kΩ/30kΩ/300kΩ/3MΩ
Measurement speed FAST(50Hz:21ms, 60Hz:18ms), SLOW(200ms)
Maximum test current DC 1A, Max:5.5V
Temperature Range:-10°C ~60°C Accuracy:±1°C
Correction Short-circuit reset for all ranges
Comparator HIGN/IN/LOW  sorting,10 bin-out
Internal data storage Support with PC software and store in PC
Trigger Internal/external/manual trigger
Signal source AC 1kHz, Test current: <150mA
Resolution 0.1μΩ
Other functions  temperature correction, power frequency setting
Interface External I/O,LAN,RS232
Power supply Voltage:100VAC~256VAC; Frequency: 50Hz~60Hz;
Rated Power 10W
Dimensions 325 mm (L) x215mm (W) x 96.5mm (D),without sleeve
Accessory Standard:HT9363A,HT9348,power cord
Weight 2kg



  • SI HT9363-A Kelvin Test Leads,
  • USB Cable,
  • SI HT9348 Temperature Probe,
  • SI HT9354 Lithium Battery Charger


User Manual:

Semco 3544 IR Tester: User Manual – Click Here to Download

Additional information

Weight 3.63 kg
Dimensions 27 × 43 × 18 cm

1 Channel, 12 Channel, 24 Channel


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