• COLOUR TFT SCREEN
• IP COMMUNICATIONS
• HARMONIC ANALYSIS
• SCOPEMETER
The DKM-411 is an advanced precision metering device offering an 3.5” size, 320x240 pixel color TFT, together with unrivalled remote monitoring capabilities over internet in a compact and low cost package.
The unit itself is a web page and can be opened through any browser for remote monitoring. The central monitoring feature allows monitoring of thousands of meters from one central PC.
FEATURES:
• True RMS measurements, 0.2% accuracy
• 3.5” TFT LCD, 320x240 pixels
• Harmonic distortion display (63 harmonics)
• Oscilloscope, waveform display
• Phasor diagram display
• Internal battery backed-up real time clock
• Max demand display
• User configurable display screen
• 2 configurable relay outputs
• Energy pulse output capability
• 2 opto-isolated, configurable digital inputs
• Dual active-reactive power counters
• Both mains/generator energy metering
• Configurable user counters
• Voltage transformer ratio for MV applications
• Password protected front panel programming
• Reduced panel depth
• Sealed front panel (IP54)
MEASUREMENTS:
• Phase to phase voltages: U12-U23-U31-Uavg
• Phase to neutral voltages: V1-V2-V3-Vavg
• Phase currents: I1-I2-I3-In-Iavg-Itot
• Active power: P1-P2-P3-∑P
• Reactive power: Q1-Q2-Q3-∑Q
• Apparent power: S1-S2-S3-∑S
• Power factor: cos1-cos2-cos3-∑cos
• Active power counters: Pc1-Pc2
• Reactive power counters: Qc1-Qc2
• User counters: USR1-USR2-USR3-USR4
• 2...63 Harmonics of any voltage or current
• Phase to neutral voltages vector angles
• Phase to phase voltages vector angles
• Phasor vector diagram
COMMUNICATIONS:
• Modbus RTU RS-485
• Modbus TCP/IP
• SNMP
• TCP/IP server
• TCP/IP client
• UDP
• SMTP
• Embedded web server
• Web monitoring
• Web programming
• GSM-SMSsending
• e-mail sending
• Central Monitoring through IP
• Free configuration & monitoring software
COMMUNICATION PORTS:
• Ethernet 10/100Mb
• RS-485 isolated (Modbus RTU)
• RS-232 for external GPRS modem
• USB Host for data recording on flash memory
• USB Device for PC connection
TECHNICAL SPECIFICATIONS:
Power Supply Input:
100-240V AC nominal(± 20%)
50 - 60Hz nominal (± 10%)
DC input types available.
Power Consumption: < 5 VA
Measurement Input Range:
Voltage: 5 - 300 V AC (L-N)
10 - 520 V AC (L-L)
Current: 0.1 - 5.5 A AC
Frequency: 30 - 500 Hz
Accuracy:
Voltage: 0.2%+1digit
Current: 0.2%+1 digit
Frequency: 0.1%+1 digit
Power (kW,kVAr): 0.4%+2digit
Power factor: 0.2%+1digit
Measurement Range:
CT range: 5/5A to 10’000/5A
VT range: 0.1/1 to 200.0/1
kW range: 0.1 kW to 6.5MW
Voltage burden: < 0.1VA per phase
Current burden: < 0.5 VA per phase
Ethernet Port: 10/100 Mbits
USB Device: USB 2.0 Full speed
USB Host: USB 2.0 Full speed
RS-485 Port: selectable baud rate
Modem Port: logic level serial data, selectable baud rate
Relay Outputs: 5A @ 250VAC/30VDC
Digital Inputs: Active level: 5 to 30V-DC or AC
Min pulse: 250ms.
Isolation: 1000V AC, 1 minute
Operating Temperature: -20°C to +50°C (-4 to +122 °F).
Storage Temperature: -30°C to +70°C (-22 to +158 °F).
Maximum humidity: 95% non-condensing.
Degree of Protection: IP 65 (Front Panel) with optional gasket
IP 30 (Back panel)
Enclosure: Non-flammable, ROHS compliant
Installation: Flush mounting with rear brackets
Dimensions: 102x102x53mm (WxHxD)
Panel Cutout: 92x92mm
Weight: 350 gr
UL-CSA Certification: UL 61010-1, 3rd Edition, 2012-05, CAN/CSA-C22.2
File: E475547, Vol. D1
EU Directives:
2006/95/EC (LVD)
2004/108/EC (EMC)
Norms of reference:
EN 61010 (safety)
EN 61326 (EMC)
WE DO NOT SHIP THIS PRODUCT TO USA AND CANADA