GF333V2 Three-Phase Reference Energy Meter – Precision Redefined for Labs and IndustryJune 5, 2026

What if you could verify and calibrate energy meters with laboratorygrade precision – whether you're in a worldclass test lab or out on an industrial site?
Meet the GF333V2 ThreePhase Reference Energy Meter. Designed for metrologists, test engineers, and calibration professionals, this reference standard brings together widerange capability, multifunction intelligence, and classleading accuracy (0.01 or 0.02 class).
【Body – Core Strengths】
Why the GF333V2 stands out
By combining DSP technology, an embedded system, and automatic temperature balancing with other advanced compensation techniques, the GF333V2 achieves what used to require bulky, complex instruments – but in a lightweight, compact form.
Key advantages at a glance:
✅ High precision – Accuracy class 0.01 / 0.02
✅ Wide measuring range – handles diverse test scenarios
✅ Multifunction – more than just energy, a true reference standard
✅ Stable & reliable – designed for continuous lab use and industrial conditions
✅ Compact & lightweight – easy to transport and set up
✅ Userfriendly – original interface, intuitive operation
✅ High performance – powered by DSP and embedded intelligence
【Application – Where It Shines】
The GF333V2 is purposebuilt for:
Electric energy metrology laboratories – as a primary or transfer standard
Calibration of reference standards – check and adjust loweraccuracy references
Test system integration – can be embedded into higheraccuracy meter test benches or reference standard systems
Industrial field use – not limited to labs; robust enough for onlocation calibration
Whether you are verifying utility meters, calibrating industrial energy loggers, or maintaining a nationallevel reference chain, the GF333V2 offers the accuracy and flexibility you need.
The GF333V2 doesn't just meet standards – it helps set them.
Whether in a national metrology lab or an on-site industrial test, this reference standard gives you the precision, stability, and confidence you need.