External Interface Specifications

1750

Operators Manual

Power Factor
Measurement Range	-1.000 (leading) to 0.000 to +1.000 (lagging)
Measurement Accuracy	± 1 digit from the calculation of each measured value (± 3 digits for
	total)
Displacement Power Factor
Measurement Method	Calculated from the phase difference between voltage fundamental
	and current fundamental
Measurement Range	-1.000 (leading) to 0.000 to + 1.000 (lagging)
Measurement Accuracy	± 0.5 % reading ± 2 % full scale ± 1 digit
Voltage Unbalance and Phase Sequence
Measurement Method	Positive sequence voltage divided by negative sequence voltage, per
	IEC 61000-4-30
Harmonic Voltage and Current
Analysis Window	rectangular
Analysis Order	1st to 50th order
Measurement Accuracy	Voltage / Current: 1st to 20th orders: ± 0.5 % reading ± 0.2 % full scale
	21st to 50th orders: ± 1 % reading ± 0.3 % full scale (current sensor
	accuracy must be included for current and power)
Measurement Method	IEC 61000-4-7:2002
Inter-harmonic Voltage and Current (Intermediate Harmonics)
Analysis Window	rectangular
Analysis Orders	0.5 to 49.5th order
Measurement Method	IEC 61000-4-7:2002
Voltage flicker
Measurement Method	as per IEC 61000-4-15:2003: 10 min (Pst), 2 h (Plt)

LAN Interface
Connector	RJ-45
Speed and Type	10/100 Base-T, auto MDIX
Communications Protocol	TCP/IP over Ethernet
Wireless Controller Interface
Connection	wireless (2.4 GHz radio)
Speed	up to 700 kbit/second
Communications Protocol	Bluetooth SPP

Environmental and Safety Specifications

Operating Environment	indoors or in covered area outdoors, up to 2000 m altitude
Storage Temperature and Humidity	-20 °C to 50 °C, 80 % rh max, non-condensing
Operating Temperature and Humidity	0 °C to 40 °C, 80 % rh max, non-condensing
Maximum Rated Working Voltage
Voltage Terminals	1100 V rms
Voltage Durability	5550 V rms ac for 1 minute, between voltage input terminals, voltage
	input terminals and current probes, and voltage input terminals and
	case (50/60 Hz, 1 mA sense current)
Enclosure Protection	IP30 (per EN 60529)
Standards Conformance
EMC	IEC 61326-1:2006 Class A
	IEC 61000-3-2:2005, 3rd Edition
	IEC 61000-3-3:2005, 1.2 Edition
	AS/NZS 4268:2008 (BT module only)
	ETSI EN300328 (V1.7.1:2006)
Safety	IEC 61010-1:2001, 2nd Edition
	Voltage input unit: Contamination Level 2
	Overvoltage Category 1000 V CAT III, 600 V CAT IV (anticipated
	overvoltage: 8000 V)