Automatic Tan Delta and Capacitance Bridge – MTAND
The MOTWANE’s multipurpose tester Model MTAND is a versatile, battery-operated digital insulation tester with a true RMS industrial grade multimeter feature. It is best suited for industrial preventive maintenance. It has a test voltage range of up to 1KV. MTAND has the highest insulation resistance range of 6GΩ and its multi featured function of RMS multimeter (i.e. AC/DC 1OOOV) makes for a superior offering in the industry and the service segment.
This set includes Bridge Model: MTAND & HV Supply model :HLS12A , Laptop based & necessary cables & very flexible, user friendly Visual C++ windows based Software. The use of Laptop & Windows based software makes the system more flexible easy to handle & accurate Data can be stored, Retrieved and analyzed at site. Temp correction for the tan delta of object is automatically done as per IEC. d Colored Screen analysis & graphical plotting of Tan Vs Voltage, Tan d Vs Time Complied IEC 61010, ASTM D999, EMI/EMC-EN-61326, IEC61000-4-3, IEC 61000-4-4,IEC61000-4-5, IEC61000-4-6, IEC61000-4-8, IEC61000-4-11. d d Suitable for measuring C & Tan for generators, transformers, bushings, circuit breakers, cables, motors at various test voltages upto 12KV.
Features
Automatic Measurement of Capacitance & Tan as per the d test plan by auto-balancing, No need of manual balancing.
Automatic voltage setting through software.
Indication of Leakage current.
Data logging with graph of voltage vs Tan to know the d tand gradient & data analysis for comparison with old results / manufacturer’s data.
As per IEC Temperature correction for Tan @ 20 C
Executes all the test modes/voltage automatically once fed.
ON site printout.
Automatic interference suppression suitable for extraneous conditions in 400KV switchyard under heavy induction.
More than 10000 Results Data-storage.
Built in Temperature and Humidity sensor.
Technical Specifications
Test Voltage 0 to 12 kV
Rated Current 100mA Continuous, 200mA for 2minutes & 1000mA @ 2.5kV
Automatic balancing through windows based software.
Automatic & software controlled voltage setting to avoid abrupt voltage rise.
Automatic selection of seven different modes of operation for measurement of 3 terminal object from windows based software .
Standard Capacitor : 100pF, 12KV built-in.
Input Frequency: From 50 Hz ( lines frequency) , + 5%
Power Required : 230 V Ac + 10%, 1 phase Ac , 50Hz.
Capacitance :-
RANGE 10pF to 1.1µF,
RESOLUTION:- 0.01pF,
ACCURACY:- +0.5% of the reading +1 pF in UST Mode
Tan Delta:-
RANGE 0 % – 100%
RESOLUTION 0.01%(0.0001)
ACCURACY +0.5% of the reading + 0.0002
Voltage Measurement
RANGE 100V –12 KV & Tapping at 2.5kV
RESOLUTION 1.0 V
ACCURACY +1% of reading +1digit
Current Measurement
RANGE 0 – 100 mA Continuous 200mA Short term @ 12kV and 1000mA @ 2.5kV Tap Optional
RESOLUTION 1mA
ACCURACY +1 %, +1digit
Power Factor
RANGE 0 – 1
RESOLUTION 0.01%(0.0001)
ACCURACY +0.5% of the reading +0.0002
Power Input 230 Volts +10%,50Hz, Single phase.
Power Output 0-12KV , 100mA Continuous, 200mA Short term & 0-2.5kV Tap Optional, 1000mA
Test Freq. Line Frequency, Optional Generated Frequency from 45Hz to 70Hz available for testing at 12kV
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