UPM304

DIN 96×96 compact LED power meter connectable to MFC150 Rogowski coil

UPM304_bigHighlights

  • Depth 60 mm only
  • True RMS measurement
  • More than 60 electrical parameters displayed
  • Neutral current monitoring
  • Bi-directional, four quadrants values on serial communication port
  • High contrast bright LED display
  • Power and current demand calculation during user-definable time period
  • No PTs required up to 600 (750) VAC
  • Programmable CT and PT ratios
  • User friendly

The UPM304 with option “RGW” can be combined to the MFC150 Rogowski coil.

Specifications

Power supply
Rated voltage: 115 VAC or 230 VAC +15% -20% on request
65÷250 VAC / 90÷250 VDC on request
19÷60 VDC on request
Consumption: 2 VA max

Voltage inputs
Maximum measurable voltage: 600 (750) VAC max L-L
Input impedance: ›1.3 MOhm
Burden: max 0.15 VA per phase
Frequency: 45 – 65 Hz

Current inputs
Rated current (Ib): 1 / 5 ARMS programmable
Min / max measurable current: 20 mA / 7 ARMS
Maximum overload: 10ARMS continuous – 100 ARMS for 1 sec.
Input impedance: 0.02 Ohm approximately
Burden: max 0.5 VA per phase
Insulation voltage: 150 VAC max between phases
Rogowski input: 200÷49995 A on request

Typical accuracy
Voltage: ±0.2% reading ±0.1% full scale
Current: ±0.2% reading ±0.1% full scale
Active power: ±1% reading ±0.2% full scale (PF=1)
Power factor: ±1% reading (0.5 inductive – 0.8 capacitive)
Active energy: ±1% reading (0.5 inductive – 0.8 capacitive)
Frequency: ±0.05% reading ±1 digit from 45 to 65 Hz

Display: high brightness 14 mm LED display
three lines, four digits (eight for energies)
Keypad: 4 push-buttons

Communication port
Type: RS232 or RS485 on request, optoisolated
Baud rate: programmable from 300 to 57600 bps
78 kbps fixed, in case of LONBUS
up to 12 Mbps, in case of PROFIBUS
10/100 Mbps, in case of ETHERNET on LAN side

Uscite digitali
Type: 2 optoisolated (50V-100mACA-CC)

Environmental conditions
Operating temperature: from -15°C to +60°C
Storage temperature: from -30°C to +75°C
Relative humidity: 80% max. without condensation

Mechanical Characteristics
Material: plastic enclosure
Protection degree: IP54 (front panel); IP20 (terminals)
Terminals: conductors 2.5 mm2
Size / weight: 96x96x60 mm or 96x96x100 mm
500 gr max, depending on the configuration

Standards compliance
Safety: 73/23/EEC and 93/68/EEC directives, EN61010.1 safety standard
EMC: 89/366/EEC directive and following modifications 93/31/EEC and 93/68/EEC, EN50081-2, EN50082-2, EN61326/A1

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