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C.T. Testing Unit

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FEATURES
• Microprocessor controlled
• Self zero check and calibration check
• Digital display of %input, ratio error and phase error
• Manual and auto ranging modes
• Test 5A and 1A CT with either 1A or 5A reference CT
• RS 232C port and parallel port for printing
• Built in real time clock
• Parameter entry through keyboard

 

ELECTRICAL SPECIFICATIONS
• TYPE SINGLE PHASE
• OPRATING CURRENT I A / 5A, 0.5VA
• AUXILIARY SUPPLY 110V/240V,AC ±20%, 50/60Hz, 60VA.
• ACCURACY ± 0.5% of reading ±1 % of range
• FREQUENCY 45Hz to 55Hz or 55Hz to 65Hz.
• ERROR RANGES 20% (±19.99% ratio error and (±19.99cR* or 680mins.phase error))
2% (±1.999% and (±1.999cR or 68.0 mins.))
0.2% (±1999ppm and (±1999µR or 6.80 mins.))
(cR = Centiradians, µR = Microradians, ppm = Parts Per Million).
 • RESOLUTION 0.05% of range
• MEASURING TIME 7 seconds irrespective of signal level and error range.
• OUTPUTS RS232C port & Parallel port (data in ASCII format).
• INSULATION RESISTANCE Greater than 20 Mohms at 500V. DC.
• DIELECTRIC STRENGTH 2kV RMS for 1 minute
• OPERATING TEMP. 0°C to 55°C
• STORAGE TEMP. -20°C to 70°C
• HUMIDITY Upto 95% RH.

 

MECHANICAL SPECIFICATIONS
• MODEL CTU
• SIZE 180x320x450mm
• WEIGHT (Appro.) 8.0Kgs

 

KEYBOARD CONTROLS
0 - 9 Numeric keys to enter values.
• Decimal point.
ENT Enter key
RTC Enter date and time.
SR / VA Enter serial no. and burden.
PRINT Take printout of error readings.
SER Send data to serial port.
% / ACT Display input in percentage or actual value.
DEG/RAD Display phase error in minutes or centiradians.
ZERO Check auto zero.
CAL Test self calibration.

 

DISPLAYS AND INDICATIONS
• 4 digit LED display each to display input, ratio error and phase error.
• LED indications for following quantities
  1) % Input
  2) Minutes and centiradians.
  3) Range for 20%, 2%, 0,2% and Auto
  4) Balance, overrange, zero and calibration.

 

PRINTING
Date, time, serial no., input (% or actual value), burden, %ratio error, & phase error
(minutes or centiradians).

 

Ordering information
1) Type 2) Model 3) Operating current 4)Operating Frequency 5)Auxiliary supply

Our Vision

* To embrace new technologies and methods. * To give unsurpassed products and services to the clients. * To constantly look for improvement and changes.

Site Designed & Maintained by Aman Infotech
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