Measurement functions | Measurement range | Display range | Resolution | Accuracy |
---|---|---|---|---|
Fault loop impedance | ||||
Fault loop Z_{L-PE}, Z_{L-N}, Z_{L-L} | 0.13 Ω…1999.9 Ω acc. to IEC 61557 | 0.00 Ω…1999 Ω | from 0.001 Ω | ±(5% m.v. + 30 digits) |
Fault loop Z_{L-PE} in RCD mode | from 0.50 Ω…1999 Ω acc. to IEC 61557 | 0.00 Ω…1999 Ω | from 0.01 Ω | from ±(6% m.v. + 5 digits) |
Measurements of RCD parameters | ||||
RCD tripping test and measurement of tripping time t_{A} measuring current 0.5 I_{Δn}, 1 I_{Δn}, 2 I_{Δn}, 5 I_{Δn} | ||||
general and short-time delay RCD | 0 ms…300 ms | 0 ms…300 ms | 1 ms | from ±(2% m.v. + 2 digits) |
selective RCD | 0 ms…500 ms | 0 ms…500 ms | 1 ms | from ±(2% m.v. + 2 digits) |
Measurement of RCD tripping current I_{A} measuring current 0 0.2 I_{Δn}…2.0 I_{Δn} | ||||
for sinusoidal residual current (AC type) | 3.3 mA…1000 mA | 3.3 mA…1000 mA | from 0.1 mA | ±5% I_{Δn} |
for unidirectional residual current and unidirectional with the 6 mA DC bias (type A) | 3.5 mA…700 mA | 3.5 mA…700 mA | from 0.1 mA | ±10% I_{Δn} |
for direct residual current (type B)) | 2.0 mA…1000 mA | 2.0 mA…1000 mA | from 0.1 mA | ±10% I_{Δn} |
Earth resistance | ||||
3- and 4-pole method | from 0.50 Ω…1.99 kΩ acc. to IEC 61557-5 | 0.00 Ω…1,99 kΩ | from 0.01 Ω | from ±(2% m.v. + 3 digits) |
3-pole + clamp method | 0.00 Ω…1.99 kΩ | 0.00 Ω…1.99 kΩ | from 0.01 Ω | from ±(2% m.v. + 4 digits) |
2-clamp method | 0.00 Ω…99.9 kΩ | 0.00 Ω…99.9 kΩ | from 0.01 Ω | from ±(10% m.v. + 4 digits) |
Resistance-to-earth | 0.0 Ω m…99.9 kΩm | 0.0 Ωm…99.9 kΩm | from 0.1 Ωm | Depending on accuracy of R_{E} measurement |
Insulation resistance | ||||
Measuring voltage 50 V | 50 kΩ…250 MΩ acc. to IEC 61557-2 | 0 kΩ…250 MΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
Measuring voltage 100 V | 100 kΩ…500 MΩ acc. to IEC 61557-2 | 0 kΩ…500 MΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
Measuring voltage 250 V | 250 kΩ…999 MΩ acc. to IEC 61557-2 | 0 kΩ…999 MΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
Measuring voltage 500 V | 500 kΩ…2.00 GΩ acc. to IEC 61557-2 | 0 kΩ…2.00 GΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
Measuring voltage 1000 V | 1000 kΩ…4.99 GΩ acc. to IEC 61557-2 | 0 kΩ…9.99 GΩ | from 1 kΩ | from ±(3% m.v. + 8 digits) |
Resistance of protective conductors and equipotential bondings | ||||
Measurement of resistance of protective conductors and equipotential bondings with ±200 mA current | 0.12 Ω…400 Ω acc. to IEC 61557-4 | 0.00 Ω…400 Ω | from 0.01 Ω | ±(2% m.v. + 3 digits) |
Measurement of resistance with low current | 0.0 Ω…1999 Ω | 0.0 Ω…1999 Ω | from 0.1 Ω | ±(3% m.v. + 3 digits) |
Light intensity | ||||
Measurement in luxes (lx) | 0 lx…399.9 klx | 0 lx…399.9 klx | from 0.001 lx | from ±(2% m.v. + 5 digits) |
Measurement in feet-candles (fc) | 0 fc…39.99 kfc | 0 fc…39.99 kfc | from 0.001 fc | from ±(2% m.v. + 5 digits) |
Phase sequence indication | in the same direction (correct), opposite direction (incorrect), U_{L-L} voltage: 95 V…500 V (45 Hz…65 Hz) |
“m.v.” - measured value
MPI-540-PV | Specifications – 3-phase power quality recorder
The device is designed to work with mains:
- with nominal frequency 50/60 Hz
- with nominal voltage: 64/110 V, 110/190 V, 115/200 V, 127/220 V, 220/380 V, 230/400 V, 240/415 V, 254/440 V, 290/500 V
- DC networks
Supported systems:
- single-phase
- split-phase with common N
- three-phase – WYE with and without N conductor
- three-phase – Delta
Parameter | Measuring range | Max. resolution | Accuracy |
---|---|---|---|
Alternating voltage (TRMS) | 0.0…500 V | 0.01% U_{nom} | ±0,5% U_{nom} |
Alternating current (TRMS) | depending on clamp* | 0.01% I_{nom} | ±2% m.v. if m.v. ≥ 10% I_{nom,} ±2% I_{nom} if m.v. < 10% I_{nom }, (error does not account for clamp error) |
Frequency | 40.00…70.00 Hz | 0.01 Hz | ±0.05 Hz |
Active, reactive, apparent and distortion power | depending on configuration (transducers, clamps) | 4 significant digits | depending on configuration (transducers, clamps) |
Active, reactive and apparent energy | depending on configuration (transducers, clamps) | 4 significant digits | as power error |
cosφ and power factor (PF) | 0.00…1.00 | 0.01 | ±0.03 |
Harmonics | |||
Voltage | as for alternating voltage True RMS | as for alternating voltage True RMS | ±5% m.v. if m.v. ≥ 3% U_{nom}, ±0,15% U_{nom} if m.v. < 3% U_{nom} |
Current | as for alternating current True RMS | as for alternating current True RMS | ±5% m.v. if m.v. ≥ 10% U_{nom}, ±0,5% U_{nom} if m.v. < 10% U_{nom} |
THD | |||
Voltage | 0.0…100.0% (relative to RMS value) | 0.1% | ±5% |
Current | 0.0…100.0% (relative to RMS value) | 0.1% | ±5% |
Unbalance factor | 0.0…10.0% | 0.1% | ±0.15% (absolute error) |
*
- F-1A, F-2A, F-3A clamp: 0…3000 A AC (10 000 A_{p-p})
- C-4A clamp: 0…1000 A AC (3600 A_{p-p})
- C-5A clamp: 0…1000 A AC/DC (3600 A_{p-p})
- C-6A clamp: 0..10 A AC (36 A_{p-p})
- C-7A clamp: 0…100 A AC (360 A_{p-p})
MPI-540-PV | AC currentmeasurment (True RMS) with clampC-4A C-5A C-6A C-7A F-1A F-2A F-3A Rated current 1000 A AC 1000 A AC
1400 A DC10 A AC 100 A AC 3000 A AC 3000 A AC 3000 A AC Frequency 30 Hz…10 kHz DC…5 kHz 40 Hz…10 kHz 40 Hz…1 kHz 40 Hz…10 kHz 40 Hz…10 kHz 40 Hz…10 kHz Max. diameter of measured conductor 52 mm 39 mm 20 mm 24 mm 380 mm 250 mm 140 mm Minimum accuracy ≤0,5% ≤1,5% ≤1% 0,5% 1% 1% 1% Battery power - √ - - - - - Lead length 2.2 m 2.2 m 2.2 m 3 m 2.5 m 2.5 m 2.5 m Measurement category IV 300 V IV 300 V IV 300 V III 300 V IV 600 V IV 600 V IV 600 V Ingress protection IP40 IP40 IP40 IP40 IP67 IP67 IP67
MPI-540-PV | Specifications – photovoltaic installation parametersMeasurement functions Display range Resolution Accuracy Open circuit voltage U_{OC} 0.0 Ω…1000 V from 0.1 V from ±(3% m.v. + 2 digits) Short circuit current I_{SC} 0.00 Ω…20.00 A 0.1 A ±(3% m.v. + 0.10 A)
IRM-1 | SpecificationsParameter Measurement range Display range Resolution Accuracy Irradiance Measurement in W/m^{2} 100 W/m^{2} …1400 W/m^{2} 0 W/m^{2} …1400 W/m^{2} 1 W/m^{2} ±(5% m.v. + 2 digits) Measurement in BTU/ft^{2}h 32 BTU/ft^{2}h…444 BTU/ft^{2}h 0 BTU/ft^{2}h…444 BTU/ft^{2}h 1 BTU/ft^{2}h ±(5% m.v. + 2 digits) PV and ambient temperature Measurement in °C -20.0°C…100.0°C -20.0°C…100.0°C 0.1°C ±(1% m.v. + 5 digits) Measurement in °F -4.0°F…212.0°F 4.0°F…212.0°F 0.1°F ±(1% m.v. + 5 digits) Inclination angle -90°…+90° -90°…+90° 1° ±2° Position direction - compass 0°…360° 0°…360° 1° ±5°
Weight and dimensionsParameter Value Net weight (kg) 2.4 Package weight (kg) 9 Package width (cm) 50 Package height (cm) 45 Package length (cm) 53