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Specifications

InsulGard partial discharge monitoring

Product specifications

General information

APPLICATIONS

HV and MV equipment (motors, including VFD, switchgear, generators, bus ducts, cable terminations, transformers, etc.)

MOUNTING OPTIONS
  • In NEMA 4X enclosure
  • Panel Mount
  • Door (flush) mount

 

INSTALLATION CATEGORY

II

TEMPERATURE RANGE
  • -400C - +850C (+700C for enclosure mount)
  • UL certified for 00C - +700C ambient

 

RELATIVE HUMIDITY

0%RH – 90%RH

POLLUTION DEGREE

2

MAXIMUM ALTITUDE (M)

2000

POWER SOURCE
  • 115V / 230V AC +/-10%
  • 60 / 50 Hz
POWER CONSUMPTION OF DEVICE (VA MAX)

15 VA

KEYPAD

4 arrows and 4 function keys

LEDS
  • InsulGard Status: Normal
  • Warning (Alarm 1)
  • Alarm (Alarm 2)
  • Memory mode
  • Setting mode

Dimensions

MAIN UNIT
  • 9.2” L x 7” W x 2.5” H(23.4cm x 17.8 cm x 6.4 cm)
  • 4.2 lb  (1.9 kg)

 

DOOR MOUNTED OPTION (MAIN UNIT WITH SENSOR INTERFACE BOARD)
  • 9.2” L x 7” W x 4” H (23.4cm x 17.8 cm x 10.2 cm)
  • 4.6 lb (2.1 kg)

 

PANEL MOUNTED OPTION
  • 14.8” x 12.9” x 4” (37.6 cm x 32.8 cm x 10.2 cm)
  • 10.3 lb (4.7 kg)

 

ENCLOSURE (NEMA 4X) MOUNTED OPTION
  • 17.2” L x 15.4” W x  8.8” H (43.7 cm x 39.0 cm x 22.3 cm)
  • 21.6 lb ( 9.8 kg)

 

PD measurement

NUMBER OF PD CHANNELS

15

PD CHANNEL MAGNITUDE DYNAMIC RANGE

68dB

FREQUENCY BANDWIDTH

1-20MHz

PHASE-RESOLVED PULSE HEIGHT DISTRIBUTION (PRPHD): NUMBER OF MAGNITUDE WINDOWS (3.23 DB EACH)

21

PHASE-RESOLVED PULSE HEIGHT DISTRIBUTION (PRPHD): NUMBER OF PHASE WINDOWS (150 EACH)

24

POWER FREQUENCY AT A MONITORED EQUIPMENT (INCLUDING VFD)

3-20Hz, 20-400Hz

SYNCHRONIZATION TYPE

Internal and external

MAXIMUM MEASURED PULSE REPETITION RATE

367,300 pulses/second

INTEGRAL PD PARAMETERS
  • Partial Discharge Intensity (PDI)
  • Maximum Pulse Magnitude (Qmax)
  • Pulse Repetition Rate, Trends of PDI and Qmax
  • Warning by PDI or Qmax 
  • Alarm by PDI or Qmax and by Trends of PDI or Qmax

 

NUMBER OF NOISE CHANNELS

1

CONTINUOUS WATCH (HIGH PD ACTIVITY) FUNCTION

Active between measurements

DATA RECORD TYPES

Full/Brief (Test/Normal)

INTERNAL DATA MEMORY

2 MB. Provides up to 1000 days of data storage at 4 measurements per day

SELF-TEST AND SELF-CALIBRATION

At powering up and before every measurement

SETUP

Configurable from keypad and PC

ALLOWED RG-58 COAXIAL CABLE LENGTH TO PD SENSORS

Up to 150ft (50m)

Auxiliary inputs

INPUT SPECIFIED FOR TEMPERATURE MEASUREMENT CALIBRATED FOR 100 Ω PLATINUM RTD SENSOR

1

ANALOG INPUTS SPECIFIED FOR CURRENT, VOLTAGE OR HUMIDITY MEASUREMENT

2

Interfaces

C-FORM DRY TYPE RELAYS FOR:

3

C-FORM DRY TYPE RELAYS FOR: WARNING (ALARM 1) AND ALARM (ALARM 2) PD LEVELS (FULLY CONFIGURABLE)

120VAC/ 5 Amps

C-FORM DRY TYPE RELAYS FOR: DEVICE STATUS

28VDC/ 5 Amps

4–20 MA ISOLATED INTERFACE REPRESENTS HIGHEST PDI OR MAX. MAGNITUDE AS % OF THE ALARM THRESHOLD

Slope is 1mA per 10%

RS-485 INTERFACE OPTICALLY-ISOLATED (231 ADDRESSES)

Communication Protocol: ModBus RTU, Binary

ADDITIONAL COMMUNICATION OPTIONS
  • USB for communication with PC 
  • Ethernet, webpage and FTP

 

REGULATORY AND STANDARDS COMPLIANCE
  • UL 61010-1: Second Edition Standard for Electrical Equipment for Laboratory Use, with revisions dated 2008-10-28
  • FCC Part 15, Subpart B, Class A
  • CAN/CSA C22.2 No. 61010-1-04, Second Edition, with revisions through 2008-10-01
  • IEC61010-1:2001 and EN61010-1:2001
  • EN61326-1, EN61000-3-2, EN61000-3-3
  • IEC61000-4-2, IEC61000-4-3, IEC61000-4-4, IEC61000-4-5, IEC61000-4-6, IEC61000-4-8, IEC61000-4-11

 

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