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Reference Meters – Iskra AMS
Accuracy Class 0.05% and 0.1% Wide Testing Range Single Phase Reference Standard Meter with Testing Mode Active Power and Reactive Power from China manufacturer - Guangzhou GENY Electric Co.,Ltd
Zera MT3000[RM] Three Phase Reference Meter (120 A / Class 0.02) Inclusive adjustment and factory calibration for one mains frequency - Imbema