The product has high accuracy (±0.1% rdg. ±0.1% f.s. for 1 year), exceeding the 0.5% accuracy benchmark stipulated by international standards; The guaranteed accuracy period is extended to 3 years, reducing the calibration interval by six times that of our previous models; All the necessary functions and accuracy requirements are provided in an easy-to-use, no-frills device, fully meeting the needs for high accuracy, long-lasting, and user-friendly.
The POWER HiTESTER 3333 is a high‑accuracy, no‑frills power measuring instrument offering simultaneous voltage, current, active and apparent power, and power factor display. It features an easy‑to‑read digital display, auto‑ranging up to 30 A and 300 V, and optional printer connectivity for hard‑copy data.
The device includes RS‑232C and optional GP‑IB interfaces, D/A output for voltage, current and active power, and a three‑year guaranteed accuracy period. Its compact footprint and secure terminal block connections make it suitable for production and inspection lines.
| Maximum input voltage | 300 V rms, 425 V peak |
|---|---|
| Maximum input current | 30 A rms, 42.5 A peak |
| Input impedance (voltage) | 2.4 MΩ |
| Display refresh rate | ≈5 times per second |
| Period of guaranteed accuracy | 3 years |
By using the optional Printer Model 9442 together with the supplied connection cable (9444) and, if needed, the appropriate AC adapter.
It automatically selects 100 V–240 V AC (50/60 Hz) and can handle up to 300 V rms (425 V peak) as maximum input.