| General |
| Intrinsic error |
Refers to the reference conditions and is guaranteed for two years |
| Warranty |
2 years |
| Recalibration interval |
2 years recommended |
| Quality system |
developed, designed, and manufactured according to DIN ISO 9001 |
| Reference conditions |
23°C ±2K, Um=230 V ±10%, 50 Hz ±0.1 Hz or 60 Hz ±0.1 Hz phase sequence L1, L2, L3, |
| interval length |
10 minutes |
| Star connection |
(L1, L2, L3 to N) |
| Power supply |
88 V ... 265 V AC |
| Environment conditions |
| Working temp. range |
-10°C ... +55 C |
| Operating temp. range |
0°C … +35°C |
| Storage temp. range |
-20°C … +60°C |
| Reference temp. range |
23°C ± 2K |
| Relative humidity |
10...80 %, no dewing |
| Safety |
IEC/EN 61010-1 600 V CAT III, 300 V CAT IV, pollution degree 2, double insulation |
| Type test voltage |
5.2 kV r.m.s., 50 Hz / 60 Hz, 5 s |
| EMC |
| Emission |
IEC/EN 61326-1, EN55022 |
| Immunity |
IEC/EN 61326-1 |
| Power Supply |
| Functional range |
88 V …440 V AC, 50 Hz / 60 Hz 100 V … 400 V DC |
| Internal fuse |
630 mA T |
| Safety |
IEC/EN 61010-1 300 V CAT IV pollution degree 2, double insulation |
| Via test leads |
in parallel to measuring input (max. 440V) |
| Power consumption |
max. 7 VA |
| Intervals |
see table on page 1 |
| Events |
>13.000 |
| Memory model |
linear, circular |
| Interface |
RS 232, 9600...115 000 Baud, automatic Baud rate selection, 3-wire communication |
| Dimensions, weight |
MEMOBOX 808 A: 282 mm x 216 mm x 74 mm, 2.4 kg
MEMOBOX 300 P, A: 170 mm x 125 mm x 55 mm, 1.1 kg |
| Measurements |
| A/D converter |
16 bit, sample rate: 10.24 kHz |
| Anti-aliasing filter |
FIR-Filter, fC =4.9 kHz |
| Frequency response |
Error < 1 % for UN = 230 V for 40 Hz…2500 Hz |
| Interval length |
5, 10, 30 s, 1, 5, 10, 15, 60 minutes |
| Averaging time for Min/max values |
½, 1 mains period, 200 ms,1 , 3 , 5 s |
| Time base |
deviation: max. 2s/day at 23°C |
| Inputs |
| Voltage |
| Input range VI P-N |
69 V / 115 V / 230 V / 480 V AC |
| Input range VI P-P |
120 V / 200 V / 400 V / 830 V AC |
| Max. overload voltage |
1.2 VI |
| Input range selection |
by job programming in CODAM software |
| Connections |
P-P or P-N, 1- or 3-phase |
| Nominal voltage UN |
≤ 999 kV |
| Input resistance |
appr. 820kΩ per channel |
| Intrinsic error |
0.1 % of VI |
| Voltage transformer |
ratio: <999 kV / VI |
| Current measurement with LEM~flex |
| Input ranges II |
| A, B, C, N |
15 A / 150 A / 1500 A / 3000 A AC |
| Measurement range |
0.75 A … 3000 A AC |
| Intrinsic error |
<2 % of II |
| Position influence |
max. ±2% of m.v. – for distance conductor to meas. head >30 mm |
| Stray field influence |
<±2 A AC for Iext=500 A AC and distance to measuring head >200 mm |
| Temperature coefficient |
< 0.05% / °C |
| Transformer ratio |
≤ 999 kA / ≤ II |
| Ratio selection |
by job programming |
| Connection |
3-phase, 3-phase and Neutral 2-phase L1, L3 (2W-meter-method) |
| Current measurement with clamps (instrument without sensors) |
| Input ranges II |
| A, B, C, N |
0.5V nominal, 1.4 Vpeak |
| Intrinsic error |
<0.3 % of II |
| Overload capacity |
10 V AC max. |
| Input resistance |
appr. 8.2 kΩ |
| Transformer ratio |
≤ 999 kA / ≤ II |
| Connections |
3-phase, 3-phase and Neutral wire 2-phase L1, L3, (2W-meter-method) |
| RMS measurements |
| Slow voltage variations |
| Measuring values |
Mean-value: RMS values averaged over interval length |
| Min-, Max-values |
Averaging with selectable |
| averaging time 0.5 periods to 5 s |
| Max-value |
Max. r.m.s. value per interval |
| Min-value |
Min. r.m.s. value per interval |
| Current |
| Measuring values |
| Mean-value |
RMS values integrated over interval length |
| Max-value |
Highest r.m.s. value per interval |
| Events |
| Dips, swells, interruptions |
| Limit value |
variable, lower limit: 0…95 % VN upper limit: 105…120 % VN set in CODAM PLUS |
| Range |
0...UI + 20 % |
| Measuring value |
½ period RMS value |
| Intrinsic error |
< 2 % of VI |
| Response time |
½ mains period (10ms in 50 Hz systems) |
| Flicker |
| Measuring value |
Flicker level (Plt/Pst) according to IEC 61000-4-15 |
| Intrinsic error Pst < 5 % of m.v. |
| Measuring range Pst |
0.4 … 4 |
| Power |
| P, Q, S, |P| |
| Active power P |
as per EN 61036, class 2 |
| Reactive power Q |
as per EN 61268, class 2 |
| Mean- value |
averaged over interval length |
| Max-value |
highest value per interval |
| Min-value |
smallest value per interval |
| Phase error |
< 0.5 degrees |
| Conditions |
conductor centred within clamp/LEM~flex |
| Harmonics |
| Um, Im, THD V, THD I as per IEC/EN61000-4-7 |
2002 |
| Voltage harmonics |
| Intrinsic error |
for Vm < 3% UN: < 0.15% VN |
| for Vm ≥ 3% UN |
< 5% Vm |
| Current harmonics |
| Intrinsic error |
for Im < 10% IN: < 0.5% IN |
| for Im ≥ 10% IN |
< 5% Im |
| THD V (MEMOBOX 300 P) |
| Intrinsic error at UN |
for THD V < 3%: < 1% |
| for THD V ≥ 3% |
< 5% |
| THD V (MEMOBOX 300 A, 808 A) |
| Intrinsic error at UN |
for THD V < 3%: < 0.15% |
| for THD V ≥ 3% |
< 5% |
| THD I |
| Intrinsic error at IE |
for THD I < 3%: < 2% |
| for THD I ≥ 3% |
< 5% |
| Statistics |
| Frequency |
42 classes for 10 s mean values |
| Ripple control signals, |
| Interharmonics |
21 classes for 3 s mean values |
| Analysis of measurement data |
| Programming and analysis with PC software CODAM PLUS. |
