Choose the right and suitable energy measurement device for your application

The need for measurement is increasing. In addition to insight into energy consumption, more and more companies want insight into the load on their installation and into the quality of voltage and current (Power Quality solutions). In addition, they want to be notified in time if malfunctions occur.

Variety of energy meters

Fortop has a wide range of energy meters in the range. The differences are mainly in the design, options and type of display. A simple energy meter can suffice in the short term, but in the longer term a more extensive energy meter often pays for itself.

The choice of an energy meter depends on what you want to measure and how you want the data to be presented.

 

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Energy measurement devices - Power Quality Analyzers - Janitza PRO-serie

Reasons to measure according to the 4 aspects of power management

Reasons to measure according to the 4 aspects of power management

blueprint measurement levels - reasons to measure

We distinguish four measurement levels, each with their own measuring instrument:

Level 1: Incoming fields at medium voltage level; Power Quality Analyzers

  • Measurement check of measuring operation of kWh consumption
  • Monitor contract value with grid operator
  • Registration of voltage dips and peaks
  • Voltage quality monitoring EN50160

Level 2: Low voltage side transformers; Power Analyzers

  • Power room monitoring on transformer and generator
  • Monitoring power factor inductive / capacitive
  • Voltage quality monitoring IEC61000-2-4
  • Registration of voltage dips, peaks and waveforms
  • Energy consumption measurement

Level 3: Outgoing fields of main distributors; Universal energy meters

  • Consumption registration per building part / installation part
  • Registration of origin of network pollution
  • Determining the power space per installation part

Level 4: Sub-distributors and end-users; DIN rail consumption meters

  • Consumption registration per installation part / end-user
  • Determining the power space per installation part
4 levels of power management

Overview choose the right energy meter

Meter group         Power Quality Analyzers Power Analyzers Universal energy meters
Type UMG 512-PRO UMG 605-PRO UMG 509-PRO UMG 604-PRO UMG 96-PA Expansion module Expansion module UMG 96-S2 UMG 103 CBM
  Janitza UMG 512-PRO Janitza UMG 606-PRO Janitza UMG 96RM-m Janitza UMG 96RM-p Janitza UMG 96RM-cbm Janitza UMG 96RM-e Janitza UMG 96RM-e Janitza UMG 96RM-pn Janitza UMG 103-CBM
General specifications        
Clock/Memory 256 MB 128 MB 256 MB 128 MB 4 MB - - - 4 MB
Mounting type Panel 144 DIN rail Panel 144 DIN rail Panel 96 - - Panel 96 DIN rail
Integrated logic Jasic® Jasic® Jasic® Jasic® - - - - -
 
Power Quality        
Harmonic analysis 1..63 + THD 1..63 + THD 1..63 + THD 1..40 + THD 1..25 + THD - - 1..15 + THD 1..25 + THD
Dips, peaks and transients v v - - - - - - -
Flicker v v - - - - - - -
Safety measurement (RCM) v - v - Option v v - -
IEC61000-4-30 Class A Class S - - - - - - -
Reports EN50160/61000-2-4 v/v v/v -/v -/v - - - - -
Exactitude V/A(%) 0,1/0,2 0,2 0,1/0,2 0,2 0,2 - - 0,2 0,2
Exactitude kWh 0,2 0,5s 0,2 0,5s 0,5s - - 0,5s 0,5s
 
Interfaces and protocols        
RS485 (Modbus) v v v v v - - v v
Ethernet v v v v - v - - -
USB - - - - - - - - -
Profibus DP v v v Option - - - - -
M-bus - - - - - - - - -
PROFINET - - - - - - - - -
BACnet IP Option Option Option Option - - - - -
 
Inputs and outputs        
Digital in-/outputs 2/2 2/2 2/2 2/2 3/3 - - -/1* -/-
Analog in-/outputs 1/- 1/- 1/- 1/- Option/1 3/- 3/- -/- -/-
Voltage / current channels 5/4 5/4 5/4 5/4 4/3 -/1 -/1 4/3 3/3
 
Auxiliary voltage and article numbers        
95..240Vac/80..300Vdc JA200220 JA500232 JA200223 JA500226 - - - - -
48..120Vac/24..150Vdc JA200219 JA500231 JA200222 JA500225 - - - - -
90..277Vac/90..250Vdc - - - - JA100284 JA900119 JA900117 JA100312 JA500138
24..90Vac/24..90Vdc - - - - JA100304 - - - -

*) Only for pulse, kWh and kVARh

Overview special universal energy meters

Universal Energy Meter UMG 96RM        
Type E CBM P PN EL M -
Janitza UMG 96RM voorkant Janitza UMG 96RM-e Janitza UMG 96RM-cbm Janitza UMG 96RM-p Janitza UMG 96RM-pn Janitza UMG 96RM-el Janitza UMG 96RM-m Janitza UMG 96RM achterkant
General specifications        
Clock/memory 256 Mb 256 Mb 256 Mb - - - -
Mounting type Panel 96 Panel 96 Panel 96 Panel 96 Panel 96 Panel 96 Panel 96
Integrated logic - - - - - - -
 
Power Quality        
Harmonic analysis 1..40 + THD 1..40 + THD 1..40 + THD 1..40 + THD 1..40 + THD 1..40 + THD 1..40 + THD
Dips, peaks and transients - - - - - - -
Flicker - - - - - - -
Safety measurement (RCM) v - - v - - -
IEC61000-4-30 - - - - - - -
Reports EN50160/61000-2-4 - - - - - - -
Exactitude V/A(%) 0,2 0,2 0,2 0,2 0,2 0,2 0,2
Exactitude kWh 0,5s 0,5s 0,5s 0,5s 0,5s 0,5s 0,5s
 
Interfaces en protocols        
RS485 (Modbus) -/v -/v -/v -/v -/v -/v -/v
Ethernet v - - 2x v - -
USB - v - - - - -
Profibus DP - - v - - - -
M-bus - - - - - v -
PROFINET - - - v - - -
BACnet IP Option - - - - - -
 
Inputs and outputs        
Digital in-/outputs 3/5 4/6 4/6 3/5 -/- -/2 -/2
Analog in-/outputs 2/- -/- -/- 2/- -/- -/- -/-
Voltage / current channels 4/4 4/4 4/4 4/4 4/3 4/3 4/3
 
Auxiliary voltage and article numbers        
90...277Vac/90...250Vdc JA101912 JA100792 JA101910 JA100085 JA100290  JA101911 JA101905
24...90Vac/24...90Vdc JA100104 JA100126 JA100133 JA100134 JA100106  JA100105 JA100101

 

Overview table Janitza energy meters MID

Overview table Janitza energy meters MID
  B21 B23 B24
  311 312 Modbus 313 Mbus 311 312 Modbus 313 Mbus 311 312 Modbus 313 Mbus
  KWh meter voor energiemeting - Janitza B21 KWh meter voor energiemeting - Janitza B23 KWh meter voor energiemeting - Janitza B24
Energy Values
Supplied/consumed energy v v v
Average power (kVAr) v v v
Real Power (kW) v v v
Phase angle v v v
Tariff double double double
 
Technical details
Amount of measuring channels 1-phase 3-phase

3-phase

Direct/indirect measurement direct direct indirect
Maximum current 65A 3x 65A 3x 5(6)A
Nominal current 230VAC 3x 230VAC / 400VAC 3x 230VAC / 400VAC
 
Communication
kWh pulse output v v v
Pulse frequency (adjustable) 1-999.999 p./kWh 1-999.999 p./kWh 1-999.999 p./kWh
RS-485 (Modbus) - v - - v - - v -
M-bus - - v - - v - - v
Digital in-/outputs 2/2 2/2 2/2
 
Datasheets en specifications
Article numbers JA500145 JA500151 JA500153 JA500155 JA500157 JA500159 JA500160 JA500163 JA500168

 

Why measure power quality with an energy meter?

Power Quality problems are common but are not always visible. Unexplained failure of machine or installation raises many questions. In many cases there are problems with the quality of electrical energy (power quality). What Power Quality is exactly is described in our white paper Power Quality. 

Energy meter for insight into power quality | White paper
Insight into voltage dips with energy meter Janitza

View voltage dip with energy meter

You are in a room with the lights on. In a fraction of a second the light drops out briefly and comes on again immediately. Cause? A voltage dip. With an energy meter you have insight into voltage dips. We explain exactly what these voltage dips are in our white paper voltage dips

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