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Multifunctional power analyzer

Suitable for measuring in all levels of TN & TT networks as well as in IT networks with voltage converters to record current, voltage, frequency, active, apparent & reactive power (per phase & total) in the frequency range 40 - 70 Hz, power factor & cos phi, active, apparent, & reactive energy total as well as import and delivery of active & reactive energy (4-quadrant measurement) in separate memory values as well as 4 tariffs, continuous real effective value measurement (True RMS).


Modbus RTU & TCP - master function for network connection to your own or higher-level software systems of max. 31 DIN rail or front panel built-in devices as well as energy meters, data loggers & expansion modules per master device of the current product series of the manufacturer. Ethernet gateway function and integration of Modbus RTU-certified third-party products after a specific integration test via generic Modbus profiles. Simultaneous supply of the communication interface and parallel operation of 4 Modbus TCP ports.


Functional extensions via installable APPs as well as pre-installed APPs with the following range of functions on the web server: Graphic display of online & historical measured values as well as comparison & interpretation of the measured values recorded with the power quality characteristics and their limit values according to IEC 61000-2-4.


Freely programmable logical & mathematical functions for evaluating the measurement data, the digital inputs and outputs & external ModBus variables via 7 graphic, exchangeable programs (cycle >= 200 ms) such as limit value monitoring, weekly timer, etc.


Provision of measured values for comparing voltage quality characteristics and their limit values according to IEC 61000-2-4 in industrial supply networks.


Measurement of positive, negative and zero system, voltage asymmetry and rotating field direction. Total harmonic distortion (THD-I & THD-U), individual harmonics (even / odd) for current & voltage up to the 63rd harmonic and K-factor.


Sampling rate of 20 kHz with 400 measuring points per period & output of the measured values via the interfaces (cycle >=200 ms), recording of transient events 50 µs, recording of overvoltage and undervoltage as well as short-term interruptions with a 20 ms recording cycle for visualization, full-wave effective value recorder for events & Event display (over, - & undervoltage & overcurrent) in waveform. 256 MB internal measurement data memory (Flash) freely configurable by the user, clock with buffering.


Accuracy classes according to IEC 61557-12 at 50/60 Hz:

Real work: 0.2S / current: 0.2 / voltage: 0.1


Front panel installation device, 144 x 144 x 81 mm (WxHxD), color graphic display, 320 x 240 pixels, 6 buttons, 256 colors, degree of protection (front / rear) IP 40 / IP 20, protection class: I, net weight: 1080 g, heat dissipation: 7W max, UL 61010-1 certified.


supply voltage:

Rated range: 95 - 240V AC, 80 - 300V DC

Frequency range (AC): 50 / 60 Hz

Overvoltage category: 300V CAT III


Voltage measurement:

3 Ph. + N (LN / LL) max.: IEC: 417 / 720V, UL: 347 / 600V

3 phase without N/PE (LL) max.: 600 V

Overvoltage category: 600V CAT III


current measurement:

Quantity: 4x

Measuring range / resolution: 5 mA to 7 A rms / 0.1 mA

Overvoltage category: 300V CAT III


Residual current measurement:

Number / type: 2x type A with dynamic limit value

Measuring range / resolution: 100 µA to 40 mA rms / 1 µA


Data interfaces:

Modbus (RS485), Ethernet (RJ45), Profibus (DSUB-9)


Data Logs:

Modbus RTU & TCP, TCP/IP, DHCP, HTTP, NTP, SMTP Ethernet Gateway, FTP, TFTP, Profibus DP/V0, BACnet IP (optional)


Digital outputs:

Number / type: 2x optocoupler outputs

Type of function: pulse or limit value output

Supply: 24 V DC passive, electrically isolated

Switching current / voltage / frequency: 50 mA effective/ 60VDC / 20Hz


Digital inputs:

Quantity: 2x

Function type: digital or pulse input

Switching voltage level: 0 - 28V DC

Counting frequency: max. 20 Hz


Temperature measurement:

Number / type / total load: 1x 3-wire measurement with 4 kOhm

Compatible sensors: PT100/1000, KTY83/84


Delivery including:

Mounting accessories, documentation, parameterization and evaluation software in the basic version, adjustment of the design to the practical application and the measured variables including their recording intervals, compatible current transformer set min. class 0.5 all-phase, test disconnect terminals with screw connection 0.2 - 10 mm² , jumpers and top-hat rail clamps for DIN top-hat rail mounting in accordance with DIN VDE 0100 - 557.5.3.1., compatible residual current transformers, configuration and parameterization of the device (e.g. network type, converter ratios, addressing of the communication interfaces), delivery, assembly and connection.

Primary current at measuring point: '.........' A


Device version with data communication protocol

BACnet / IP (Yes / No): '.........' 


Manufacturer: Janitza electronics GmbH

Type: UMG 509 Pro

Item No.: 5226001

Price including assembly:

UMG-509 PRO Datenblatt (janitza_db_umg509pro_de.pdf, 790 Kb) [Download]

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