METREL EurotestCOMBO MI 3125 - 9.6 Resistance to earth; 9.7 Voltage, frequency, and phase rotation

MI 3125 / BT EurotestCOMBO Technical specifications
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9.7.2 Voltage
Measuring range (V)
Resolution (V)
Accuracy
0  550
1
(2 % of reading + 2 digits)
Result type ........................................ True r.m.s. (trms)
Nominal frequency range .................. 0 Hz, 14 Hz  500 Hz
9.7.3 Frequency
Measuring range (Hz)
Resolution (Hz)
Accuracy
0.00  9.99
0.01
(0.2 % of reading + 1 digit)
10.0  499.9
0.1
Nominal voltage range ...................... 10 V  550 V
9.7.4 Online terminal voltage monitor
Measuring range (V)
Resolution (V)
Accuracy
10  550
1
(2 % of reading + 2 digits)
9.8 General data
Models MI 3125 and MI 3125 BT:
Power supply voltage ........................ 9 V
DC
(61.5 V battery or accu, size AA)
Operation .......................................... typical 20 h
Charger socket input voltage ............ 12 V  10 %
Charger socket input current ............ 400 mA max.
Battery charging current ................... 250 mA (internally regulated)
Overvoltage category ........................ 600 V CAT III / 300 V CAT IV
Plug commander
overvoltage category ................ 300 V CAT II
Protection classification .................... double insulation
Pollution degree ................................ 2
Protection degree ............................. IP 40
Display ............................................ 128x64 dots matrix display with backlight
Dimensions (w  h  d) ..................... 14 cm  8 cm  23 cm
Weight ............................................ 1.0 kg, without battery cells
Reference conditions
Reference temperature range ........... 10 C  30 C
Reference humidity range ................. 40 %RH  70 %RH
Operation conditions
Working temperature range .............. 0 C  40 C