Working standard WS

The Working Standard WS 2330 is a three-phase precision reference meter for electrical power and energy measurement dedicated to on-site meter testing. The device provides also function of local data exchange with smart meters (data readout).

Properties

  • Handy and Lightweight Design with 5.7” Color Display
  • Integrated Voltage Input 300 V CAT IV / 600 V CAT III Integrated Power Supply Function from Measured Circuit
  • Two Universal Inputs for Voltage and Current Probes for Power or CT / VT Ratio, Phase and Burden measurement
  • Accuracy Classes 0,2; 0,1; 0,05
  • Color Graphic Display and Alphanumerical Keypad
  • USB Connectivity with PC
  • Enhanced Optical Scanning Head
  • Optical Interface for Local Data Exchange with Smart Meters According to IEC 62056-21
  • High Capacity Memory for Configuration and Data Storage
  • LED and TTL Impulse Outputs with Programmable Meter Constant or Frequency
  • Vector Diagram and Signal Shape Display (Oscilloscope Mode)
  • Harmonics Analysis in Tabular and Graphical Format
  • Database System for Tested Meters and Measured Results with Search Capabilities
  • Fast Synchronization of Measured Data and Configuration with PC
  • PC Software for MS Windows
  • Configurable User Interface (Regional and Functional Modifications)
  • Transport Case with High Protection Degree

Technical data

Basic Frequency Range 40 ... 70 Hz
Input Circuits 1-phase 2-wires; 1-phase 3-wires and 2-phase; 3-phase 3-wire / 4-wire
Voltage Range 0,1 ... 600 V phase to neutral Manual or auto range
Current Range Depending on type of current sensor - up to 20 A / 120 A / 240 A / 6000 A or more
Power Factor Range -1 ... 0 ... 1
Phase Angle 0 ... 360°
Basic Frequency Range 40 ... 70 Hz
Bandwidth up to 3000 Hz
Harmonics up to 60th
Communication USB interfaces (SCPI compatible comm. protocol); wireless (2,4 GHz) – Bluetooth; optical interface for communication with meters according to IEC 62056-21 (via OPTH 1200)
Display 5,7” / 320 x 240 pixels / 256 colors
Memory for Data min 1GB (>1000 load points)
Temperature coefficient < 50 x 10-6 / °C
Operating Temperature -20 ... +50 °C
Storage Temperature -25 ... +60 °C
Operating Humidity max. 95% relative humidity (non-condensing)
Power Supply from int. rechargeable accumulators (Li-Ion); from Power Adapter (100 - 240 VAC / 12 VDC);
from Car Outlet Adapter (12 VDC); from measured volt. circuit (30 - 300 V /45 - 65 Hz)
Power Consumption

from battery: 2 W (body only), 4 W (body + CC @ 100 A);

PFMC: 5 W / 10 VA (body only), 7 W / 14 VA (body + CC @ 100 A)
Applicable Standards IEC 60736, IEC 62056-21, IEC 61010-2-032
Degree of Protection IP-42 (device); IP-67 (transport case)
Safety Requirements Isolation protection: EN 61010-1; category: 300 V CAT IV / 600 V CAT III
Dimensions 220 x 160 x 60 mm (basic device); 464 x 366 x 176 mm (transport case)
Weight basic device: 0,85 kg; total standard setup: 6,5 kg