Fluke 1750 Fluke 1750 Operators Manual - Page 60

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) External Interface Specifications 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) 52