Application
  • AMETEK’s JEMStar II has the highest accuracy in the market.
  • Provides many communication options and monitors your power quality to make it the ideal choice for any metering application.
  • An impressive color display makes it easy to view power measurements, phasor displays and meter diagnostics.
  • The JEMStar II is easy to use and configure with our intuitive JEMWARE software and the meter display provides a user menu to show and edit configuration details.
  • The JEMStar II has a GB of non-volatile memory to store your metering and power quality data for as long as you want.
  • The meter has a single base model that can be used for simple revenue and billing applications as well as more complex power quality monitoring applications.
Specifications METER FORMS
  • Meter Forms: 5, 6, 8, 9, 45, Universal
INPUTS Voltage
  • 55-530 VAC auto-ranging
  • Burden*: 0.5 VA @ 530V * Does not include auxiliary power requirements.
Current
  • 1 amp: ANSI class 2
  • 5 amps: ANSI class 10
  • 10 amps: ANSI class 20
  • Burden: 0.5 VA maximum
  • Overload: 1.5x rated class current continuous
  • Starting current: 0.002 A
  • Frequency range: 45-55 Hz, 55-65 Hz
AUXILIARY POWER S-base and A-base
  • Self powered via all three phases: 55-530 VAC
  • External Aux Power Option: 55-530 VAC or 90-300 VDC; 19-58 VDC
Swichboard
  • Aux Power: 55-530 VAC or 90-300 VDC; 19-58 VDC option
Auxiliary Power Burden
  • 25 VA maximum
ACCURACY Watt Hour
  • 0.05% reading (0.02% typical) Volts, Amps
  • 0.04% reading
LOAD PROFILE
  • 16 channels storage
  • 1-60 minute intervals
TIME SYNC
  • Internal clock: 0.5 sec/day accuracy
  • 50/60HZ line frequency
  • External time sync options: IRIG-B, NTP, IEEE-1588, PPS