Smart medium energy meter - QE640
Smart medium energy meter can be used for industrial zones or in residential/commercial complexes to conduct energy management and detect losses. Remotely monitor and control the meter. QE640 accuracy is very high with an error of less than 0.00%, which ensures no wasted energy for the operator.
Overview
MV tariff
Support medium voltage tariff, CS and maximum demand fee
Firmware update
Remote firmware update in bulk with activation date
Communication module
Plug and Play: GPRS, G3-PLC, RS485, RF
myQuill App
Integrates with app for instant readings, debt and payments
CT/PT ratio
Current & Voltage transformer ratio connection configuration
DLMS/COSEM
International standard for utility meter data exchange
Remote communication
Send any configuration or retrieve data remotely
STS
Standard Transfer Specification
Highest token security
Specifications
Measurement
○ Compliance with IEC and EN standard:
IEC 62053-22 (Class 0.2 & 0.2s), IEC62053-23, EN 50470-1, EN 50470-3
○ Connection type: 3P4W CT/PT
○ Accuracy: Cl (0.2) for active – CL(2) for reactive
Voltage
○ Nominal voltage: 3x63.5/110V
○ Operating range: 0.8Un to 1.2 Un
○ Power consumption: Voltage circuit ≤ 2W, 10VA
○ Current circuit ≤ 6 VA
Current
○ 1(6)A
Frequency
○ 50Hz (± 5%)
○ Real-Time Clock (RTC)
○ Accuracy within 0.2 seconds per day at 23°C
LCD Display
○ 8 characters of 7 segment display
○ Digital size: 4mm x 8.2mm
○ LCD display available without main power
○ Programmable display items
○ With backlight
LED Display
○ Active pulse LED (1000)
○ Alarm LED
○ Credit LED
○ Buzzer for low/no money
Battery
○ Battery easy replaced
○ Voltage: 3.6V
○ Backup time: 10 years with power
○ GPRS with supercapacitor
Measured Values
○ Active Energy (kWh) (Import/Export)
○ Active Power (kW) (Import/Export)
○ Instantaneous Irms, Vrms, Frequency, Power Factor, Max power
Tariffs
○ 10 consumption step-tariff
○ 10 customer fee step-tariff
○ Flat-Rate & TOU
Relay
○ Can connect with external relay
Event Logs
○ Tampering detection, power quality and general events
Load Profile Energy & Demand
○ Support max capture object
○ Capture interval 15, 30, 60 minute
○ Quadrant reactive energy
○ Load cycle every 15 min
Communications
○ Near-infrared communication
port: IEC 62056-21 E mode
○ RS485 comm. port: 9600bps DLMS HDLC
○ GPRS DLMS TCP/IP
Environmental
○ Operating range limit: -40°C to +70°C
○ Storage range limit: -40°C to +80°C
○ Relative humidity: ≤ 95%RH
○ Ingress protection: IP54
Dimensions and Weight
○ Dimensions: 290mm x 170mm x 85mm
○ Weight: 2.2kg (Approx.)