NEMO 104

Portable power quality analyser - 4 voltage inputs 4 current inputs - nominal current rate can be selected in range 10A - 10000A.

NEMO 104 is a portable multifunctional power meter and power analyser with datalogger functions. It is suitable for low, medium and high voltage networks (measured via voltage transformer). Its large internal memory can store months of typical measurements and also records disturbance data, log, electricity meter reading and other critically important information. Similar features can be found in its panel analyser counter part SMPQ.

NEMO 332 - Main Unit

  1. Specifications
  2. Downloads
  3. Ordering
  4. Software
  5. Firmware options

Properties and Specifications

  • four voltage inputs for measurement, separated power supply input
  • standard SPQ-I probe measures up to 4 currents
  • extndable up to 6x4 currents with SPQ-IMPX6 multiplexor 
  • one input for PT 100 temperature sensor
  • power supply 85-480 Vac / 100-600 Vdc or over USB, internal accumulator
  • internal real time clock
  • internal memory capacity 512 Mb
  • USB port for configuration and data acquisition
  • 128 samples per period, shortest possible aggregation 200 ms
  • voltage is always sampled continuously
  • currents sampled continuously if one probe is used
  • frequency, power (active, reactive, distortion), power factors
  • harmonic components (50th, including interharmonics and angles, THD), flicker...
  • power quality evaluation according to EN 50160
  • records power quality events (dips, sags, swells)
  • detailed event trends and oscillograms of the redefined events
  • automated electricity meter readings - load profiles
  • ENVIS 1.1 supports all features of NEMO 104 instrument

Typical wiring - schema

Typical use case for the NEMO 104 power quality data logger.

Types and Accessories

Types and options of NEMO 104 analyser.

NEMO 104: Supported flexible current probes.

NEMO 104: Supported flexible current probes.

ENVIS application suite provides all features for basic instrument management (configuration, supervision, fw update). It also downloads and archives data from all the supported instruments. import/export, data analysis and advanced reporting of the records is also provided. ENVIS is available free of charge to be used with all our instruments.

Typická instalace aplikace ENVIS

ENVIS.Online system service can be used to implement complex power quality monitoring and/or energy efficienci control and monitoring systems. By using email,  SMS or SNMP all registered users and administrators can be warned upon exeptional situations, malfunction of supply or monitored instruments or it can be used to post periodical analysis/reports.

Additional plugin modules can also add special features or customizations to booth ENVIS and ENVIS.Online in a modular manner. 

Typical installation of ENVIS

 

Optional firmware modules

Voltage and power event cycle data logger module.
  • Ripple Control (Mains) Signals - RCS Module: for measurement, recording and analysis of a ripple control signal. Several formats of the telegram are also supported for decoding.
  • Voltage Events - VE Module: for recording and evaluation of voltage events (SMVQ & SMPQ does include this feature in its default configuration).
  • General Oscillograms - GO module: for detection and precise recording of various waveform distortions. This module records the so called oscillograms of voltages and currents in extended detail, capacity and trigger options into the flash memory.
  • Modbus Master - MM module: in supported instruments with memory it activates new option to record Modbus data from connected slave devices. It can work as a datalogger to NOVAR PFCs as well as to local sub-meters or other Modbus sensors.
  • See: other data loggersENVIS 1.1 for data analysis, built-in meters and analysers.

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