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POWER EQUIPMENTS

1Ø Digital Wattmeters 1/2 DIN (96mm × 48mm)

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"Delta" have been the pioneers of Digital Wattmeters in India since 1981. During this period, virtually thousands of Delta's power measuring instruments have made their mark in very wide range of applications/industries. Now a series of compact (96mm × 48mm) wattmeters have been introduced, which have many advantages compared to similar available products in the market.

Self-contained instruments - do not have external transducer boxes
Very wide p.f operating range: ±0.1 to 1.0
Extremely low insertion losses: does not require watt-loss error adjustments for potential and current circuits
True-RMS type readout, takes care of current distortions with high harmonics
Performance unaffected by supply frequency changes, ambient temp. variations, etc
Two of these can be used, with ext. C.T.'s for 3Ø-3 Wire power measurements
Applications range from appliance manufacture, lighting , motor / pump, transformers and other electrical equipment industries

Specifications

Accuracy : ±0.5% of F.S.D. ±1 digit (50Hz) Aux. Supply : 230 VAC + 10%@10V A

Panel Cut-Out : 91mm w × 45mm H Display : 3½ digits, 12.5mm LEDs

Zero Stability : ±1/2 digit/10 C (TYP) P.F. Range : 0.1 (LAG) - 1.0-0.1 (LEAD)

Freq. Response : 10Hz to 10kHz
Overload Indication : Digit '1' remaining ON and other digits blanking OFF

Model	MWT-20	MWT-50	MWT-200	MWT-500	MWT-2000
Range	0-20.00W	0-50.0W	0-200.0W	0-500W	0-2000W
Resolution	10mW	0.1W	0.1W	1W	1W
Voltage Input (Overload)	0-500(RMS) (1kV peak)	0-500V(RMS) (1kv peak)	0-500V(RMS) (1kv peak)	0-500V(RMS) (1kv peak)	0-500V(RMS) (1kv peak)
Current Input (Overload)	100mA(RMS) (2A surge)	0-100mA(RMS) (2A surge)	1.00A(RMS) (10A surge)	0-1.00A(RMS) (10A surge)	0-10.00A(RMS) (2OA surge)
Voltage Input Impedance	1.5 Mohms	1.5 Mohms	1.5 Mohms	1.5 Mohms	1.5 Mohms
Current Input Impedance	0.5 ohms	0.5 ohms	0.045 ohms	0.045 ohms	0.01 ohms

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