METREL MI 2893 User Manual

MI 2893 / MI 2892 / MI 2885 Measurements
215
Max. transient peak current
Depends on used current clamps (check
specification for current clamps)
For transient detection use fixed current range.
Phase - Neutral input impedance: MI 2893
2.45 MΩ
Phase - Neutral input impedance: MI 2892/MI
2885
6 MΩ
Phase – Phase input impedance: MI 2893
2.45 MΩ
Phase – Phase input impedance: MI 2892/MI
2885
6 MΩ
AD converter
16 bit 8 channels, simultaneous sampling
Sampling frequency:
50Hz / 60 Hz System frequency
Antialiasing filter
7 kSamples/sec
Passband (-3dB): 0 ÷ 3.4 kHz
Stopband (-80dB): > 3,8 kHz
400 Hz System frequency
Antialiasing filter
12,2 kSamples/sec
Passband (-3dB): 0 ÷ 5,7kHz
Stopband (-80dB): > 6,44 kHz
VFD -Variable Frequency Drive mode
Antialiasing filter
1,7 kSamples/sec
Passband (-3dB): 0 ÷ 782 Hz
Stopband (-80dB): > 883 Hz
Transient mode
Antialiasing filter
(MI 2893)
1 MSamples/sec
Passband (-3dB): 0 ÷ 600 kHz
Transient mode
Antialiasing filter
(MI 2892/MI 2885)
49 kSamples/sec
Passband (-3dB): 0 ÷ 24 kHz
Stopband (-80dB): > 26 kHz
Reference temperature
23
°
C ± 2 °C
Temperature influence: MI 2893
35 ppm/
°
C
Temperature influence: MI 2892/MI 2885
30 ppm/
°
C
Warmup time
Recommended warmup time 30 minutes
NOTE: Instrument has 3 internal voltage ranges. Range is chosen automatically, according to the chosen
Nominal Voltage parameter. See tables below for details.
Nominal phase (L-N) voltage: U
Nom
Voltage range
50 V ÷ 136 V (L-N)
Range 1
137 V ÷ 374 V (L-N)
Range 2
375 V ÷ 1000 V (L-N)
Range 3
Nominal phase-to-phase (L-L) voltage: U
Nom
Voltage range
50 V ÷ 235 V (L-L)
Range 1
236 V ÷ 649 V (L-L)
Range 2
650V ÷ 1730 V (L-L)
Range 3
NOTE: Assure that all voltage clips are connected during measurement and logging period. Unconnected
voltage clips are susceptible to EMI and can trigger false events. It is advisable to short them with
instrument neutral voltage input.

METREL MI 2893 Specifications

General

Brand	METREL
Model	MI 2893
Category	Measuring Instruments
Language	English