| Display: |  ¼ VGA Graphic Color transmissive displays 320 x 240 Pixel with additional background lighting and adjustable contrast, text and graphics in color | 
| Quality: |  Developed, designed and manufactured according to DIN ISO 9001 | 
| Memory: |  4 MB Flash memory, 3.5 MB for measuring data | 
| Interface: |  RS-232 SUB-D socket; 115.2 k Baud, 8 data bits, no parity, 1 stop bit, firmware updates are possible with the RS- 232 interface (9-pole extension cable) | 
| Sample rate: |  10.24 kHz | 
| Line frequency: |  50 Hz or 60 Hz, user-selectable, with automatic synchronization | 
| Power supply: |  NiMH battery-pack, with ac adapter (15 V to 20 V/0.8 A) | 
| Operation time with battery: |  Typical > 12 hours without backlight and > 6 hours with backlight high | 
| Dimensions: |  240 mm x 180 mm x 110 mm | 
| Weight: |  1.7 kg, including battery | 
Ambient conditions
| Working temperature range: |  -10 °C to +50 °C | 
| Storage temperature range: |  -20 °C to +60 °C | 
| Operating temperature range: |  0 °C to +40 °C | 
| Reference temperature range: |  23 °C ± 2 °C | 
| Note: |  The above terms are defined in European Standards. To calculate the specification at any point in the working temperature range, use the temperature coefficient below. | 
| Temperature coefficient: |  ± 0.1 % of the measured value per °C from the reference | 
| Intrinsic error: |  Refers to reference temperature, maximum deviation is guaranteed for two years | 
| Operating error: |  Refers to operating temperature range, maximum deviation is guaranteed for two years | 
| Climatic class: |  C1 (IEC 654-1) -5 °C to +45 °C, 5% to 95% RH, no dew | 
| Housing: |  Cycoloy shock and scratch proof thermoplast V0-type (non-flammable) with rubber protection holster | 
EMC
| Emission: |  IEC/EN 61326-1:1997 class B | 
| Immunity: |  IEC/EN 61326-1:1997 | 
Safety
| Safety: |  IEC 61010-1 600 V CAT III, double or reinforced insulation, pollution degree 2 | 
| Protection: |  IP65; EN60529 (refers only to the main housing without the battery compartment) | 
|  |  RMS values are measured with a 20 ms resolution. | 
V-rms wye measurement
| Measuring range: |  57 V/66 V/110 V/120 V/127 V/220 V/230 V/240 V/260 V/277 V/347 V/380 V/400 V/417 V/480 V ac | 
| Intrinsic error: |  ± (0.2% of measured value + 5 digits) | 
| Operating error: |  ± (0.5% of m. v. + 10 digit) | 
| Resolution: |  0.1 V | 
V-rms delta measurement
| Measuring range: |  100 V/115 V/190 V/208 V/220 V/380 V/400 V/415 V/450 V/480 V/600 V/660 V/690 V/720 V/830 V ac | 
| Intrinsic error: |  ± (0.2% of m. v. + 5 digit) | 
| Operating error: |  ± (0.5 % of m. v. + 10 digit) | 
| Resolution: |  0.1 V | 
A-rms measurement
| Flexi set I ranges: |  15 A/150 A/3000 A rms (at sine) | 
| Current clamp ranges: |  1 A/10 A | 
| Resolution: |  0.01 A | 
| Ranges |  150 A/3000 A and 1 A/10 A | 
| Intrinsic error: |  ± (0.5 % of m. v. + 10 digit) | 
| Operating error: |  ± (1 % of m. v. + 10 digit) | 
| Ranges |  15 A | 
| Intrinsic error: |  ± (0.5 % of m. v. + 20 digit) | 
| Operating error: |  ± (1 % of m. v. + 20 digit) | 
|  |  The errors of the current probes are not considered. | 
By using Flexi-Set
| Flexi Set measuring error: |  ± (2% of m. v. + 10 digit) | 
| Position influence: |  ± (3 % of m. v. + 10 digit) | 
| CF (typical): |  2.83 | 
| Note: |  When using Flexi Set please make sure to position the conductor opposite to the Flexi Set-lock | 
Power measurement (P - Active, S - Apparent, Q- reactive, D - Distorting
| Measuring range: |  see V rms and A rms measurement | 
|  |  Power errors are calculated by adding the errors of voltage and current | 
|  |  Additional error due to power factor PF | 
|  |  Specified error x (1-[PF]) | 
|  |  Maximum range with voltage range 830 V delta-connection and 3000 A current range is 2.490 MW, higher displayed values possible when using PTs and CTs with ratio feature | 
| Intrinsic error: |  ± (0.7 % of m.v. +15 digit) | 
| Resolution: |  1 kW | 
| Operating error: |  ± (1.5 % of m.v. + 20 digit) | 
|  |  Typical range with voltage range 230 V wye connection and 150 A current range is 34.50 KW. | 
| Intrinsic error: |  ± (0.7 % of m.v. +15 digit) | 
| Resolution: |  1 W to 10 W | 
| Operating error: |  ± (1.5 % of m.v. + 20 digit) | 
|  |  The errors of the current sensors themselves have not been considered. | 
Energy measurement (kWh, KVAh, kVARh)
| Intrinsic error: |  ± (0.7 % of m.v.+ F variation error* + 15 digit) | 
| Resolution: |  1 W to 10 W | 
| Operating error: |  ± (1.5 % of m.v. + F variation error* + 20 digit) | 
|  |  *Frequency variation error | 
PF (Power factor)
| Range: |  0.000 to 1.000 | 
| Resolution: |  0.001 | 
| Accuracy: |  ±1 % of full scale | 
Frequency measurement
| Measuring range: |  46 Hz to 54 Hz and 56 Hz to 64 Hz | 
| Intrinsic error: |  ± (0.2 % of m. v. + 5 digit) | 
| Operating error: |  ± (0.5 % of m. v.+ 10 digit) | 
| Resolution: |  0.01 Hz | 
Harmonics
| Measuring range: |  To 50th harmonic (< 50 % of nom) | 
Accuracy
| Vm, Im, THDV, THDI: |  IEC 61000-4-7:2002, Class II | 
| Vm ≥ 3% Vn: |  ± 5% Vm | 
| Vm < 3 % Vnom: |  ±0.15% Vnom | 
| Im ≥ 10 % Inom: |  ± 5% Im | 
| Im < 10 % Inom: |  ± 0 5% Inom | 
| THDV: |  for THD < 3% ± 0.15% at Vnomfor THD ≥ 3% ± 5% at Vnom
 | 
| THDI: |  for THD < 10% ± 0.5% at Inomfor THD ≥ 10% ± 5% at Inom
 | 
| Vnom: |  Normal voltage range | 
| Inom: |  Nominal current range | 
|  |  Vm and Im are measured values of harmonic m | 
Events
|  |  Detection of voltage dips, voltage swells and voltage interruptions with a 10 ms resolution and measuring error of the half period sine wave of rms. | 
| Intrinsic error: |  ± (1% of m.v. + 10 digit) | 
| Operating error: |  ± (2% of m.v. + 10 digit) | 
| Resolution: |  0.1 V |