D72A30

DIN RANGE PANEL METERS DESCRIPTION Available with moving iron or moving coil movements for a.c. or d.c. use, these DIN panel meters have been supplied worldwide and are recognised for their quality and value. Standard scales or customised dials can be offered. 11840 • Manufactured to: DIN 43700, IEC51 and BS89. • 48mm, 72mm and 96mm sizes. • a.c. or d.c. use. • Interchangeable dials (72mm & 96mm). • Rugged pivot and jewel movement. • Ammeters, Voltmeters, Frequency Meters, Power Factor Indicators, Wattmeters, Elapsed Time Indicators and Maximum Demand Indicators. • Optional red secondary pointer and terminal cover. • Special customised dials. Howard Butler Limited is one of the largest independent UK manufacturers of panel meters and associated products. With over 80 years experience in the industry HOBUT products have built a reputation for high quality and modern design at competitive prices. A N A L O G U E PA N E L M E T E R S • D I G I TA L PA N E L M E T E R S • H O U R S C O U N T E R S • S E L E C T O R S W I T C H E S • P R O T E C T I O N R E L AY S • T R A N S D U C E R S S H U N T S • C U R R E N T T R A N S F O R M E R S • C H A R G E R M E T E R S • T H E R M A L C U T O U T S • M U LT I - F U N C T I O N M E T E R S DIN DIN DIN 96 72 48 DIN RANGE PANEL METERS MOVING IRON Types: Accuracy: D48SD, D72SD, D96SD. Class 1.5 (Class 2.5-60A and above). • 1A to 100A direct connected (D48SD - 40A max). • 1A or 5A CT operated. • 30V to 600V direct connected. 0.7VA typical for 1A or 5A CT operated at 50Hz. 1.2VA max up to 30A 2.4VA max for 40A to 100A. 6VA max for voltmeters up to 600V. Calibrated at 50Hz. Specify for frequencies 15Hz up to 400Hz Standard ammeter and voltmeter scales.(2x and 6x overload ammeter scales available on request). Heavily damped movements available. AC ratings: Burden: Frequency: Scaling: Moving Iron panel meters can be used for D.C. operation at reduced accuracy. MOVING COIL Damping: Types: Accuracy: DC ratings: AC ratings: DC burden: Non std.: CONNECTION DIAGRAMS VOLTMETER VOLTAGE TRANSFORMER OPERATED DIRECT CONNECTED u U ••• v V L1 (L) L2 (N) AMMETER CURRENT TRANSFORMER OPERATED DIRECT CONNECTED L1 k l K L L2 D48MC, D72MC, D96MC. Class 1.5. • 100µA to 50A direct connected (D48MC - 40A max). • 4-20mA, 1mA or 20mA transducer operated. • 50mV to 600V direct connected. • 50mV to 300mV shunt operated. • Rectifier types available for a.c. use (mean sensitivity). 80mV to 150mV volt drop for direct connect ammeters 1mA (1000Ω/V) for voltmeters and shunt operated ammeters. Suppressed zero voltmeters and trim potentiometer types available. VOLTMETER + - ••• + AMMETER DIRECT CONNECTED SHUNT OPERATED + + + Type: Accuracy: AC ratings: WATTMETER D96WA. Class 1.5. • 1A or 5A CT operated. • 63.5V to 500V direct connected. Current