Metrel MI 2885 Master Q4: Class S Power Quality Analyzer

The MI 2885 Master Q4 is an ideal troubleshooting tool for power quality analysis. It is designed to automatically record all important data and waveforms of voltage events like Dips and Swells. The instrument offers seven optional triggers for capturing waveforms of selected quantities. A large, easy-to-read graphical color display allows users to detect harmonics, phasors, and waveform anomalies in the installation. Quick Set buttons enhance user-friendliness and allow for faster data overview. The instrument is suitable for long-term recording and troubleshooting power quality problems in three-phase and single-phase power distribution systems. The advanced PC software package PowerView3 enables detailed analysis of recorded data, direct reading from the microSD memory card, analysis of long-term records, and automatic creation of professional test reports.

Key Features

4-voltage channels with a wide measurement range: 0 ... 1000 Vrms (CAT III / 1000 V)
4-current channels with support for automatic clamp recognition and on-instrument range selection
Automatic Smart Clamp detection and Smart Clamp range selection
Compliance with power quality standard IEC 61000-4-30 Class S
Complete power quality analysis according to EN 50160, including signaling and interharmonics
Support for microSD memory card (8-GB supplied, up to 32GB supported)
Color-coded input terminals and terminal labels to suit your application region
Intuitive main menu and large icons for easy navigation and configuration
Powerful PC SW PowerView3 for downloading, viewing, analysis of recorded data, and professional report creation
Flexible clamps (without additional power supply) are included in the Euro set
Remote communication via Ethernet (GPS clock synchronization - optional)

Measuring Functions

Voltage: TRMS, peak, crest factor (4-channel)
Current: TRMS, peak, crest factor (4-channel)
Power (active, reactive, apparent)
Power measurements fully compliant with IEEE 1459 (active, non-active, fundamental, harmonic, load unbalance)
Unbalance, flicker measurement
Harmonic and interharmonic analysis up to 50th harmonics, THD measurement
Energy (active, reactive, generated, consumed)
Capturing and recording of power supply events (shutdowns, interruptions, swells, dips)
Inrush currents monitoring and recording
Waveform/inrush displaying, snapshot, and recording
Power quality analysis according to EN 50160
Recording up to 7 adjustable alarms
Temperature measurement
Power factor cos φ

Application

Power quality assessment and troubleshooting in low and middle voltage electrical systems
Checking power correction equipment performance
Long-term analysis
Predictive maintenance
Verification of electrical system capacity before adding loads

Standards

Functionality

EN 61010-1

Measurements

IEC/EN 61000-4-30, Class S
IEC/EN 61557-12
IEC/EN 61000-4-7, Class I
IEC/EN 61000-4-15
EN 50160
IEEE 1448
IEEE 1459

Electromagnetic compatibility (EMC)

EN 61326

Technical Specifications

	AC+DC
Voltage inputs	Number of inputs: 5	Nominal voltage range (L-N): Phase (L-N): 50 ÷ 1000 VRMS, Line (L-L): 50 ÷ 1730 VRMS
Measuring range	10% - 150% of nominal voltage	Accuracy: IEC 61000-4-30 Class S, ±0.5% of nominal voltage
Sampling rate	7 kSamples per sec @ 50/60 Hz, sync with mains freq.
Mains frequency range	42.5-69.0 Hz ±10 mHz
Current inputs	Number of inputs: 4
Measuring range (with A1227 flex clamps)	36000 ARMS ±1.5% of m.v.
Measuring range (with A1281 iron clamps)	50 m - 1200 ARMS ±0.5% of m.v.
Functions	Measuring range	Accuracy
Harmonics (DC + 50th)	0 ÷ 20% of nom. voltage	IEC 61000-4-7 Class 1
Interharmonics (1 ÷ 50th)	0 ÷ 20% of nom. voltage	IEC 61000-4-7 Class 1
Flicker	0.2 ÷ 10	IEC 61000-4-15 Class F3
Mains signalling	0 ÷ 5% of nom. voltage
Unbalance	0 ÷ 15% of nom. voltage
Temperature	-10 ÷ 85 °C	±0.5 °C
Dips, Swell	10 ÷ 150% of nom. voltage	±0.2% of nominal voltage
Interrupts	0 ÷ 10% of nom. voltage	±1 cycle
Recorders	Memory: 8GB microSD, up to 32GB supported
General recorder	Integration period: 1s ... 2h	Recorded signals: >1000 (voltages, currents, harmonics, power...)
Duration	Minimal, maximal and average value per interval. Voltage events, Custom alarms. > 1 year (depends on size of SD card)
Waveform recorder	Duration: Up to 20 seconds of voltage and current waveform	Trigger: Manual, Voltage Events, Custom Alarms, Voltage or current level (inrush), Time interval
General	Display: 4.3 inch color TFT (480 x 272)	Communication: USB, Ethernet
Time synchronisation	GPS receiver (A 1355)
Power supply	110 ÷ 240 Vac or 6 x NiMH rechargeable batteries, size AA
Overvoltage category	CAT IV / 600 V or CAT III / 1000 V
Weight	1 kg
Dimensions	230 x 140 x 80 mm

Ordering Information

Euro set MI 2885 EU

Instrument Power Q4
1-phase flexible current clamps 3000 / 300 / 30 A (A 1227), 4 pcs
Test probe, (brown, black, grey, green, blue), 5 pcs
Crocodile clip, (brown, black, grey, green, blue), 5 pcs
Voltage measurement lead, (brown, black, grey, green, blue), 5 pcs
Labels for color coding
microSD memory card 8.0GB
microSD card reader
PC SW PowerView3
RS232, USB and Ethernet patch cable
Power supply adapter
1.2 V NiMH rechargeable battery, 6 pcs
Soft carrying bag
Instruction manual
Calibration certificate

Standard set MI 2885 ST

Without A 1227 1-phase flexible current clamps, 4 pcs

Optional Accessories

A 1020: Small soft carrying bag
A 1033: Current clamp 1000 A / 1 V
A 1037: Current transformer 5 A / 1 V
A 1039: Connection cable for current clamp
A 1069: Mini current clamp 100 A / 1 V
A 1122: Mini current clamp 5 A / 1 V
A 1179: 3-phase flexible current clamp 2000 / 200 / 20 A / 1 V
A 1257: 3-phase flexible current clamp 3000 / 300 / 30 A / 1 V
A 1281: Current clamp 1000 / 100 / 5 A / 1 V
A 1287: 1-phase flexible current clamp 3000 / 30 / 30 A / 1 V
A 1458: microSD card reader
A 1354: Temperature probe
A 1355: GPS receiver
S 2014: Safety fuse adapter, 3 pcs
S 2015: Safety flat clamp, 4 pcs
A 1391: AC/DC Current clamp 300 / 40 A / 1 V
A 1475: WiFi / 3G modem
S 2072: USB storage device (for backup of data)

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