These state-of-the-art panel meters are designed for accurate measurement of AC rms voltage, AC rms current, frequency, active power and power factor in single-phase systems. Although they are mainly used in electrical panels, these devices can also be integrated into many other applications. The current transformer ratio can be set from 5/5 A to 5000/5 A using buttons on the front panel. The devices have separate inputs for supply and measurement. The device allows both manual display channel selection and automatic scrolling.
TECHNICAL SPECIFICATIONS: Input power supply: 170 – 275 VAC 50 – 60 Hz nominal (± 10%) Various AC/DC power values available. Measurement inputs: 10 – 300 VAC 0.2 – 5.50 VAC 30 – 100 Hz Accuracy: volt-ampere-Hz: 0.5% + 1 digit kW: 1.0% + 2 digits cos: 0.5% + 2 digits Power consumption: < 1.5 W Burden: Input voltage: < 0.1 VA per phase Input current: < 1VA per phase Operating temperature: -40°C ;+70°C Maximum humidity: 95% non-condensing. Degree of protection: IP 54 (front panel) IP 30 (rear panel) Housing: Flame-retardant, ROHS compliant, high temperature ABS/PC (UL94-V0) Installation: Flush mounting with rear mounting brackets Dimensions: 78x78x41 mm (WxHxD) Panel cutout dimensions: 68x68 mm Weight: 145 g EU Directive Compliance: 2006/95/EC (low voltage) 2004/108/EC (EMC) Reference standards: EN 61010 (safety requirements) EN 61326 (EMC requirements)
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