The Yokogawa WT310EH is a high-accuracy, single-channel digital power meter from Yokogawa's Econ family. It is essentially an enhanced version of the standard WT310E, distinguished by its doubled measurement bandwidth of 200 kHz and improved basic accuracy.
(Key Parameters)
Category Parameter Specification
Power Accuracy Basic Power Accuracy (45 - 66 Hz) ±0.05% of reading
Input Elements Number of Elements 1 element (single channel)
Voltage Range Rated Input Range 15 V, 30 V, 60 V, 100 V, 150 V, 300 V, 600 V
Current Range Direct Input (Model dependent, e.g., /i20A) 0.5 A, 1 A, 5 A, 10 A, 20 A (e.g., Model /i20A includes these ranges)
External Sensor Input Supports external current sensors (optional)
Bandwidth DC, 0.5 Hz to 200 kHz (-3 dB)
Harmonic Analysis Order Up to 50th order
Integration Function Measures energy (Wh, Ah)
Display Screen Monochrome LCD with numeric and bar graph display
Communication Interface Standard USB
Optional GP-IB, Ethernet
Operating Environment Temperature 0 to 40°C
Humidity 80% RH or less (non-condensing)