Electro-Voice operation manual Nexus 1250/1252 Meter Specifications, Specification Nexus Meter

2.9: Nexus 1250/1252 Meter Specifications

Specification	Nexus Meter
Control Power Requirements	Option D: 24V DC (-20%) – 48V DC (+20%)
	Option D2: 120V AC/DC (-20%) – 230V AC (+20%)
Input Voltage Range	150 Volts Phase to Neutral (Standard; for use with PTs)
	300 Volts Phase to Neutral (Option -G)
Input Current Range	10A Maximum (Programmable to any CT Ratio)
	Current: Continuous 200% Rated
Input Withstanding Capabilities	Current: Surge 10x maximum input for 3 seconds
	Surge Withstanding Per IEEE C37.90.1
Burden	Voltage: 0.05VA @ 120V rms
	Current: 0.002VA @ 5A rms
I/O Isolation	2500V DC, 60 Hz
Sensing Method	RMS
Update Time	90 msec
Frequency Range	Fundamental 20–65 Hz
	Up to 83rd Harmonic Measuring Capability
Dimensions (HxWxL)	3.4 x 7.3 x 10.5 inches / 8.6 x 18.5 x 26.6 centimeters
Maximum Power Consumption	40 watts (with optional modules and display)
Nominal Power Consumption	Approximately 12 watts (without optional modules and display)
Operating Temperature	-40°C to +80°C / -40°F to +176°F
Auxiliary Output Power Voltage	15–20 V DC at 50–200mA
Maximum Auxiliary Power Current	1.6A (short protected)
UL Listing	1244*
	*Not evaluated for accuracy, reliability or capability to perform intended function.
Flicker (1252)	Evaluation per IEC 61000-4-15

e Electro Industries/GaugeTech Doc # E107706 V1.25 2-13