MI 2883 Energy Master
Technical specifications
152
6 Technical specifications
6.1 General specifications
Working temperature range:
-20
C ÷ +55
C
Storage temperature range:
-20
C ÷ +70
C
Max. humidity:
95 % RH (0
C ÷ 40
C), non-condensing
Pollution degree:
2
Protection classification:
Reinforced insulation
Measuring category:
CAT IV / 600 V; CAT III / 1000 V;
up to 4000 meters above sea level
Protection degree:
IP 40
Dimensions:
23 cm x 14cm x 8 cm
Weight (with batteries):
0.96 kg
Display:
Colour 4.3 TFT liquid crystal display (LCD) with
backlight, 480 x 272 dots.
Memory:
8 GB microSD card provided, max. 32 GB supported
Batteries:
6 x 1.2 V NiMH rechargeable batteries
type HR 6 (AA)
Provide full operation for up to 6 hours*
External DC supply - charger:
100-240 V~, 50-60 Hz, 0.4 A~, CAT II 300 V
12 V DC, min 1.2 A
Maximum supply consumption:
12 V / 300 mA
– without batteries
12 V / 1
A
– while charging batteries
Battery charging time:
3 hours*
Communication:
USB 2.0
Standard USB Type B
Ethernet
10Mb
* The charging time and the operating hours are given for batteries with a nominal
capacity of 2000 mAh.
6.2 Measurements
6.2.1 General description
Max. input voltage (Phase
– Neutral):
1000 V
RMS
Max. input voltage (Phase
– Phase):
1730 V
RMS
Phase - Neutral input impedance:
6 MΩ
Phase
– Phase input impedance:
6 MΩ
AD converter
16 bit 7 channels, simultaneous sampling
Sampling frequency:
Normal operation 7 kSamples/sec
Antialiasing filter
Passband (-3dB)
: 0 ÷ 3.4 kHz
Stopband (-80dB): > 3,8 kHz
Reference temperature
23
°
C ± 2 °C
Temperature influence
25 ppm/
°
C
NOTE:
Instrument has 3 internal voltage ranges. Range is chosen automatically,
according to the chosen Nominal Voltage parameter. See tables below for details.