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  Test and Measurement (T&M) : AUTOMATIC ELECTRIC

It measures true R.M.S. value of sinusoidal and nonsinusoidal voltage or current signals.

 
ELECTRICAL SPECIFICATIONS
TYPE Electro-mechanical
VOLTAGE AT SYNCHRONISM 110V ± 2%
OPERATING VOLTAGE 110V ± 20% (for other voltages use separate PT box.)
FREQUENCY 50 / 60Hz ± 5%
SYNCHRONISING CONDITION Dark lamp method
ACCURACY
ANGLE OF ROTATION 360°
POWER CONSUMPTION 3 VA for MAINS - (I) & 6VA for GENERATOR - (II)
INSULATION RESISTANCE Greater than 20 Mohms at 500V. DC.
DIELECTRIC TEST 2kV RMS for One minute
OPERATING TEMP. -10°C to 55°C
STORAGE TEMP. -20°C to 70°C
HUMIDITY Upto 95% RH
INDICATION Moving pointer & LED
CONFORMS TO I.S. 1248 / I.E.C. 51 (Part-5)

These indicate true RMS values practically independent of waveform even of high harmonics. The scale is compressed initially. Readability starts from 10 to 15 degree approximately.

 
ELECTRICAL SPECIFICATIONS
TYPE Moving Iron Slide In Scale.
OPERATING VOLTAGE
(For Voltmeter)
Burden
15V to 600V.
100V / 110V for PT secondary.
15V to 30V - <100mA, 50V to 100V - < 30mA, 110V to 200V - <15mA,
200V to 600V - <7.5mA.
OPERATING CURRENT
(For Ammeter)
Burden
1 A to100A in 72x72, 1A to 200A in 96x96
1A / 5A for CT secondary.
0.25A to 30A - < 1VA, Above 30A - < 1.5 VA.
FREQUENCY 45 ~ 65Hz. (400Hz. on request).
ACCURACY Class 1.5
DIELECTRIC TEST 2kV RMS or 1 minute.
OVERLOAD CONTINUOUS 1.2 times
OVERLOAD SHORT TIME 2 times VN / 10 times IN for 5 seconds.
OPERATING TEMP. -10°C to 55°C
STORAGE TEMP. -20°C to 70°C
HUMIDITY upto 95% RH
CONFORMS TO I.S. 1248 / I.E.C. 60051 (Part 2).

'AE' SYNCHROSCOPE is categorized into two types A) Electro-mechanical and B) Electronic.

 
ELECTRICAL SPECIFICATIONS
TYPE Electronic
VOLTAGE AT SYNCHRONISM 110V ± 2%
OPERATING VOLTAGE 110V ± 20% (for other voltages use separate PT box.)
FREQUENCY 50/60Hz ± 5%
SYNCHRONISING CONDITION Glowing of "SYNCHRO ON" LED
ACCURACY
ANGLE OF ROTATION 360°
POWER CONSUMPTION 2VA for MAINS - (I) & 0.25VA for GENERATOR - (II)
INSULATION RESISTANCE Greater than 20 Mohms at 500V. DC.
DIELECTRIC TEST 2kV RMS for One minute
OPERATING TEMP. -10°C to 55°C
STORAGE TEMP. -20°C to 70°C
HUMIDITY Upto 95% RH
INDICATION Rotating LED
CONFORMS TO I.S. 1248 / I.E.C. 51 (Part-5)

  High Voltage Insulation Tester

 
ELECTRICAL SPECIFICATIONS
MODEL EMS - 12
TYPE Indoor, Floor Mounting.
COOLING Air - Cooled / Oil Cooled / Air - Oil Cooled.
INPUT 160 - 260V / 180 - 250V, 1 Phase AC.
300 - 460V / 360 - 460V, 3Phase, 4 Wire (or 3 Wire if required) AC (Balanced or Unbalanced).
OUTPUT 230V / 240V ± 1%,1 Phase AC.
    380V / 400V / 415V ± 1%, 3Phase AC.
CAPACITY 1 kVA - 2000kVA
FREQUENCY 50 - 60Hz.
INSULATION RESISTANCE Not less than 5 Mohms at 500V DC
DIELECTRIC TEST 1.5kV RMS for 1 minute.
OPERATING TEMP. 0°C to 50°C
STORAGE TEMP. - 9°C to 70°C
HUMIDITY upto 95% RH
CONFORMS TO I.S.9815

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