Sivananda Electronics | Electronic Products Manufacturing Services
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+91-253-2491423

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+91-253-2492291

Transformer Winding Resistance Meter Model: TWRM-25A uP

MAIN FEATURES

  • Regulated and highly stable 50Volt 25Amp,10A, 5A, 1A, 0.1A & 0.01A current source.
  • 4½ digit LCD display, 19999 counts.
  • Simultaneous measurements of voltage & current.
  • True four terminal measurements.
  • Resolution of 0.1 micro ohm.
  • Protection against inductive kickback and discharge.
  • Visual indication for discharge.
  • Resistance Range Auto ranging.
  • Line voltage interference suppression, making instrument most suitable for field applications.
  • Light weight with carrying case & with 15 meter leads.
  • Rs232 port, Data acquisition software Windows Based & Remote Operation.
  • Automatic Discharge.
  • Thermally Protected Power Supply.
  • Temp. correction & Compensation for Cu & AI.
  • 4.3" Color TFT display screen (Optional).
  • Blue tooth Connectivity (Optional).
  • USB Interface (Optional).
  • OLTC Test with Graph (Optional).
  • Heat run test (Optional).

Technical Features

POWER SUPPLY

230V AC ± 10%, 50Hz ± 5%, Single phase

Test Current Range

25A, 10A, 5A, 1A, 0.1A, 0.01A

RANGES

0.1ohm to 2000ohm auto ranging

Indication

4 ½ Digital panel meter LCD ( 19999 counts)

Resolution

0.1 micro ohm on 1.9999 milli ohm range.

Accuracy

±0.1% ± 2digit.

TEST VOLTAGE

50VDC

Channels

2 Channels(3 CH Optional)

PORTS

RS232 Port/USB (Optional)

SOFTWARE

Windows based software for data downloading, Report Generation, Temperature Compensation, Heat Run Test.

Keypad

12 Keys Soft-touch.

Cables

Test cables (15 mtrs) with suitable clamps , Ground Cable, Power Chord & Cable Bag.

SAFETY SPECS

Complied IEC61010

EMI/EMC SPECS

Complied IEC61326

WEIGHT

< 15Kg. ( without Leads)

OPERATING TEMP

0°c to +55°C

RELATIVE HUMIDITY

Max. 90% non-condensing

Sivananda Electronics