UPM309 Multi-function Three-phase Electrical Network Analyzer (RS485 or Ethernet)

• DIN 96x96 ultra compact version, only 39 mm depth
• Fully bi-directional four quadrants measurements for all energies and powers
• Main electrical parameters measured and displayed for a cost-effective consumption analysis
• Version for 1 or 5A CT and for direct connection up to 6A
• Possibility to connect by PT
• Up to 8 MB for data recording (ENH version)
• Possibility to record all energy counters (ENH version)
• Up to 24 parameters selectable among real time measurements for MIN/AVG/MAX recording (ENH version)
• MODBUS RTU/ASCII communication by RS485 port or MODBUS TCP communication by Ethernet port
• Possibility to manage the instrument in remote mode by WintoolNET software or by Web server interface
• 2 digital outputs, 1 digital input, 1 analog output (optional)

  

Power supply
Voltage range (according to the model): Instrument with RS485 port: 230 VAC ±15% or 115 VAC ±15% on request
Instrument with Ethernet port: 85...265 VAC
Frequency: 50/60 Hz

Voltage inputs

Maximum measurable voltage: 600 VAC max L-L
Minimum voltage for FFT calculation: 20/35 VAC (multiplied by PT ratio in case of PT use) with direct connection
Input impedance: ›1.3 MOhm
Frequency: 45 - 65 Hz

Current inputs

Maximum value: 7 A
Starting current (Ist): 2 mA
CT burden: max 0.15 VA per phase
Minimum current for FFT calculation: 100 mA * CT ratio

Typical accuracy
Voltage: ±0.2% reading in 10% FS...FS range (FS=Full Scale value)
Current: ±0.4% reading in 5% FS...FS range
Power: ±0.5% reading ±0.1% FS (PF=1)
Frequency: ±0.1% reading ±1 digit in 45...65 Hz range
Active energy: Class 1 according to IEC/EN 62053-21
Reactive energy: Class 2 according to IEC/EN 62053-23

Display & keyboard 
Display: Backlighted LCD, 78x61 mm
3 rows, 4 digits + symbols
Keyboard: 4 front buttons

Communication ports
Type: RS485 optoisolated or Ethernet
Protocols: MODBUS RTU/ASCII in case of RS485 port
HTTP, NTP, DHCP, MODBUS TCP in case of Ethernet port
Baud rate: 300 a 57600 bps in case of RS485 port
10/100 Mbps in case of Ethernet port

2 DIGITAL OUTPUTS (DO) 
Type: NPN or PNP, passive optoisolated
Maximum values (according to IEC/EN 62053-31): 27 VDC - 27 mA
Energy pulse length (only for DO in pulse mode): 50 ±2ms ON time
Max output reaction time (only for DO in alarm mode): 1 s

ANALOG OUTPUT (AO) 
Type: Active optoisolated
Selectable ranges: 0...20 / 4...20 mADC
Maximum load: 500 Ω

DIGITAL INPUT (DI) 
Type: Optoisolated
Voltage range: 80 ... 265 VCA-CC

Wire diameter for terminals 
Measuring terminals (A&V): 2.5 mm2 / 14 AWG
Terminals for I/O, AUX, RS485 port: 1.5 mm2 / 16 AWG

Size & weight 
LxHxP, W: 96x96x39 mm, max 310 g

Environmental conditions
Operating temperature: -25°C ... +55°C (3K6)
Storage temperature: -25°C ... +75°C (2K3)
Max humidity (without condensation): 80%
Sinusoidal vibration amplitude: 50 Hz ±0.075 mm
Protection degree - frontal part: IP54 (granted only in case of installation in a cabinet with at least IP54 protection degree)
Protection degree - terminals: IP20
Pollution degree: 2
Installation and use: Internal

Standard compliance (for the parts applicable for instrument)
Directives: 2006/95/EC, 2004/108/EC
Safety: EN 61010-1, EN 61010-2-030
EMC: EN 61326-1, EN 55011, EN 61000-4-2, EN61000-4-3, EN61000-4-4,
EN61000-4-5, EN61000-4-6, EN61000-4-11, EN61000-6-2

Analyze your needs based on the following parameters, choose the product which suits your needs and ask for an offer!

• Do you need the harmonic analysis (FFT) or just THD?

• Do you need Ethernet communication or ModbusRS485?

• Do you need to log only power values or more parameters?

• Do you need a device with standard I / O or with analog output too?

Legend
• = standard
◦ = optional