Micro Ohm Meters – 602A

  • Measures DC resistance of winding including contact resistance
  • Higher current upto10 Amps provided.
  • Resolution of 0.1 microohm.
  • Automatic zeroing facility for thermal voltages.
  • Dampening of Oscillations facility for fast stability of readings.
  • 4 terminal Kelvin clips for accuracy.

Model AB-602A is micro-controller based instrument.It is used for measuring DC resistance to a great accuracy of 0.03% .
4 & ½ Digit LED display is provided. A large current of upto 10 amps makes it suitable to majority of readings. Auto zeroing facility trims the thermal voltages generated while testing.

Micro Ohm Meters - 602A
  • Measures DC resistance of winding including contact resistance
  • Higher current upto10 Amps provided.
  • Resolution of 0.1 microohm.
  • Automatic zeroing facility for thermal voltages.
  • Dampening of Oscillations facility for fast stability of readings.
  • 4 terminal Kelvin clips for accuracy.

Model AB-602A is micro-controller based instrument.It is used for measuring DC resistance to a great accuracy of 0.03% .
4 & ½ Digit LED display is provided. A large current of upto 10 amps makes it suitable to majority of readings. Auto zeroing facility trims the thermal voltages generated while testing.

Special dampening circuit ensures fast stability of reading . Specially made Kelvin clips are integral part of unit for further accuracy. It is suitable for testing wound components, contact resistance, bus bar resistance, material purity etc.

Technical Specification

Measurement ranges

: 1 Micro Ohm to 1900 ohms in eight ranges.

Method

: Four terminal D.C.

Display

: 4 and ½ digit(19999 F.S.D.)

Operating Temperature range

: 0 °C to 50 °C

Power Supply

: 230VAC ± 10%, 50 Hz

Fuse

: 20 mm, 250mA (Glass)

Size

: 90mm(H),250mm(W),350mm(D)approx

Weight

: Standard 7 Kgs approx.

  1. At 25°C ±3°C 55% RH ±10%(Warm –up time 1 minute)
  2. Temp. Co. : 150ppm/ °C

Range

Span

Resolution

Accuracy

Test current

OHMS

20K

0-19.000

1ohm

0.03% of reading ± 4 digits

0.1mA

2K

0-1900.0

100 milliohm

0.03% of reading ± 4 digits

1 mA

200

0-199.99

10 milliohm

0.03 %of reading ± 4 digits

1 mA

20

0-19.999

1 milliohm

0.03 %of reading ± 4 digits

10 mA

2

0-1.9999

100 micro ohm

0.03 %of reading ± 4 digits

100 mA

MILLIOHMS

200

0-199.99

10 micro ohm

0.03 %of reading ± 4 digits

300 mA

20

0-19.999

1 micro ohm

0.03 %of reading ± 4 digits

3.3 A

2

0-1.9999

0.1 micro ohm

0.03 %of reading ± 4 digits

10A

Stated accuracies are valid from 1/10 th of range to FS

Temperature range for guranteed Accuracy 30° C ±5° C

Thermal Voltages : Provision for nulling thermally generated voltages in potential circuit automatically.

Manual zero /read – to have current OFF/ON

Auto zero & manual zero facility available.

Special provision for dampening the oscillations to take fast readings ,in high inductive windings.

RS232 interface port available at rear panel.(Optional)

GO,NO GO i.e. Limits comparator facility available.

Over-range indication by Blinking

Pulse mode available ,In a cycle -Current flows for approx 4 seconds & stops for 8

seconds to cool the sample & during no current the reading is hold automatically.

The instrument is accompanied with Test & calibration sheet traceable to National standards

  • Download Excel File
  • Download PDF File
  • Download Word File

Facebook

LinkedId