MLS11D & HLS12

  • SIVA Capacitance & Tan Delta test set comprises of C & Tan Delta Bridge model MLS 11-D, high voltage power supply model HLS-12 with built in standard Capacitor and set of cables.
  • The compact design of the bridge uses the principle of three winding differential transformer on a high permeability u metal core
  • The bridge is contained in a sturdy metallic housing with u metal lining which shield it from external electromagnetic and electrostatic influences, built in battery powered null indicator makes the bridge suitable for operation in workshop, factories, high voltage sub-stations, Switch yard etc.
  • The high voltage power supply model HLS-12 is provided with built in standard Capacitor. It is suitable for both grounded as well as ungrounded objects
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Technical Features
PARAMETER
RANGE
RESOLUTION
ACCURACY
CAPACITANCE
1000pF 10000pF
0.01pF 1pF
+ 0.2 % of the reading + 1pF + 0.2 % of the reading + 10pF
TAN DELTA
0 – 0.1 0.1 – 1
0.00001 0.0001
+ 1.0 % of the rdg. + 0.00015 + 1.0 % of the rdg. + 0.0015
VOLTAGE
0 – 12 KVAC
0.01 KV
+ 1 % of the rdg. + 1 digit
CURRENT
0 – 100 mA
1 mA
+ 2 % of the rdg. + 1 digit
Test Voltage
0 to 12KV AC
Rated Current
100mA continuous
200mA short term
Output Frequency
50Hz (Lines Frequency)
SWITCH FOR THREE DIFFERENT MEASURMENTS
1. UST- Ungrounded Specimen test.
This mode is used when object is not grounded.

This test provides more accurate results.
2. GST – Grounded Specimen test.
This mode is used when one terminal of object under test is permanently grounded.
3) GSTg – Grounded specimen test with guard. 3 combinations.
This mode is used for measuring them stray capacitances and separating them from basic measurement in GST mode.
Indications
3 ½ Digital panel meter for Voltage & Current.
Standard Capacitor
100pF / 200pF, 12KV built-in.
Input Voltage
230VAC + 10%, Single Phase, 50Hz
Safety Features
Zero start control
Open ground indicating lamp with double grounded connection
External interlock.
HT cut off on overload
HT ON & Supply ON indication.
All operating controls at earth potential
Necessary terminals & Sockets for connection to Bridge