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JEMStar ll IEC High Accuracy Revenue Meter
Brand: RIS - Scientific ColumbusAMETEK’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 1 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.
The JEMStar II’s precision design provides high accuracy with long term stability making it easy to guarantee our 0.05% accuracy for 10 years.
Low current accuracy is better than 0.2% RDG at 50 mA. The JEMStar II includes security features that limit access to the meter.
Username and password combinations are required to access your secure data and configuration details.
The meter communications are password protected to prevent unauthorized access. Ethernet connections can be restricted to select IP addresses.
Audit logs store all access attempts; including meter connection, configuration, firmware changes and data access with username and time/date for each occurrence.
The audit log requires permission to view and cannot be modified or deleted from the meter. Alarms are provided when opening the terminal cover and access door.
Features- High accuracy
- Easy to configure and operate
- Advanced communications
- Power quality
- Graphic color display and user menu
Specifications
Meter Forms
- 3-Phase: 4-Wire Wye, 3-Wire Delta
Voltage Inputs
- 45 to 300 Vac (L-N), 78 to 520 Vac (L-L)
- Frequency Range: 45 - 55 Hz, 55 - 65 Hz
Currents Inputs
- Burden: 0.5 VA Max.
- 1 amp Nominal, 2 amp max
- 5 amps Nominal, 10 amps max
- 10 amps Nominal, 20 amps max
- Overload: 1.5x rated Max. Current Continuous
- Starting Current: 0.001 A (2 amp meter)
- Starting Current: 0.002 A (10 and 20 amp meter)
Auxiliary Power
- Self Powered via all three Phases: 45 - 300 Vac (L-N)
- External Aux Power Option: 45 - 300 Vac (L-N) or 90 - 300 Vdc
- Auto Switching between Self and Aux Power
- Auxiliary Power Burden: 25 VA Max.
Accuracy
- Watt Hour: 0.05 % reading (0.02 % typical)
- Volts, Amps: 0.04 % reading
- Frequency: 0.001 Hz
Measurements
- Bi-directional, 4 quadrant
- Energy, Instantaneous, per Phase Values
- Min/Max./Avg values
- Demand: Peak, Present, Past, Thermal and Coincident
- TOU: 8 rates/day, 4 season
- TLC, LLC: per Phase, Delivered and Received, Transformer Factors or % Loss
Measurement Logging (Optional)
- 8 groups x 50 Channels
- Recording Interval: 150/180 Cycle to 120 minutes
- Maximum 203 days of Storage of 400 Channels @ 10-minute Recording Interval
Registers
- 50 Normal, 50 Alternate, 50 Test
Load Profile
- 16 Channels Storage
- 1 - 60-minute Intervals
- Values Stored in Scalable Counts or 32-bit Engineering Units
- Optional Second Independent 16 Channel LP Group
- Maximum 365 days Storage of 32 Channels @ 15-minute Recording Intervals
Time Sync
- Internal Clock: .05 second/day accuracy
- 50/60 Hz Line Frequency
- External Time Sync Options: NTP
Internal I/O
- Digital I/O: 8-channel Selectable as Input or Output. Isolated Power Supply for Digital Inputs
Digital Input Rating
- Form A or KYZ
- Maximum Voltage 40 Vdc
Digital Output Rating
- Form A or KYZ
- Maximum Open-Circuit Voltage: 200 Vdc or peak AC
- Maximum Switching Current, 50 mA
Communications (6 Ports Available)
- Port 1: Optical (Standard) •IEC 1107: 19,200 baud
- Ports 3 and 4: RS-232/485 Serial (Optional), User Selectable: RS-232/485, User Configurable: 300 to 38,400 baud
- Port 5: Internal Analog Modem (Optional), 56,000 baud
- Ports 6 and 7: Ethernet (Optional) - 100 BaseT, Unshielded Twisted Pair, DHCP or Fixed IP Address, Up to 12 Simultaneous Connections, WEB Server
- Communication Protocols: Modbus RTU, Modbus TCP/IP, DNP 3.0, ANSI Tables, IEC 61850 (Optional), JEM Binary, DLMS
Meter Display
- 4.3” (109.2 mm) Color Graphic LCD
- Registers, Phasor Diagram, Diagnostics
- User Menu Configuration
Mechanical
- Case Style: IEC
- Size & Weight: IEC - 7.5 pounds (3.4 kg)
- Meter Retrofits: AMETEK: JEM 2, JEM 10, JEMStar, DS63, DS63W, DS64, DS64W, D2B, D4B (Short and Tall), Quantum Q121, Q220, Mark V, Quad 4
Environment
- Operating Temperature: -22° F to 185° F (-30° C to 85° C)
- Storage Temperature: -40° F to 185° F (-40° C to 85° C)
Electrical Standards
- IEC 61000-4-2, 61000-4-3, 61000-4-4, 61000-4-5, 61000-4-6, 61000-4-12
- IEEE C37.90.1
Industry Approvals
- IEC 62052-11, IEC 62052-2
- IEC 62053-22 Active Energy (Class 0.2S)
- IEC 62053-24 Reactive Energy (Class 0.5S)
- EN 50470-1, EN 50470-3
- IEC 61000-4-30 Class A Ed 3.0
Agency Standards
- MID