Specifications For The System: Recorder And Power Analyze Software; General Specifications; Input Specifications; Synchronization And Sampling - Fluke 1750 Operator's Manual

1750
Operators Manual
Specifications for the System: Recorder and Power Analyze
Software

General Specifications

Power Quality Measurement Standards
Conformance..................................................... IEC 61000-2-4:2002 Class 1, IEC 61000-4-30, IEEE519, IEEE1159,
Clock/Calendar.................................................. Leap years, 24-hour clock
Real-time Clock Accuracy................................ Not more than
Internal Memory Capacity for Data ................. At least 2 GB
Maximum Recording Period ............................ At least 31 days
Measurement Time Control ............................. Automatic
Maximum Number of Events ........................... Limited only by the size of the internal memory.
Power Requirements ........................................ 100 to 240 V rms
Operating Time During Interruptions
(internal UPS operation) ..................................... 5 minutes per interruption, 60 minutes total operating time without
Dimensions ....................................................... 215 x 310 x 35 mm (8.5 x 12.2 x 3.5 inch)
Mass (Weight) ................................................... 6.3 kg (14 lbs)

Input Specifications

Measurement Types ......................................... One Phase Plus Neutral, One Phase IT No Neutral, One Phase Split
Input Channels .................................................. Voltage: 5 channels, AC/DC Current: 5 channels
Voltage Channels.............................................. Input resistance: 2 MΩ
Current Channels.............................................. Self-identifying probes
Measuring Method ............................................ Simultaneous digital sampling of voltage and current. Digital PLL

Synchronization and Sampling

PLL-Synchronization Source........................... The PLL synchronizes to the A-N/L1-N voltage for wye power types,
PLL Lock Range................................................ 42.5 to 69 Hz
Sampling Frequency ........................................ Voltage and current: 256 samples/cycle
A/D Resolution .................................................. Voltage and current: 24 bits

Voltage and Current Measurements

Voltage Measurement Range........................... AC voltage: 1000 V rms
Voltage Crest Factor......................................... 3 or less
Voltage Input Impedance ................................. 2 M
Current Measurement Range........................... Depends on current probe used
Current Crest Factor......................................... 4 or less
Current Input Characteristics .......................... 2 V rms = full scale, 1 M Input Impedance for ferro CTs, low
50
IEEE1459, IEC 61557-12:2008, and EN50160
1 s/day
10 %, 47-63 Hz, 40 W
recharging
Phase, Three Phase Wye, Three Phase Delta, Three Phase IT, Three
Phase High Leg, Three Phase Open Leg, 2 Element Delta, 2 ½
Element Wye
Input capacitance: <20 pF
Types available: current clamps, Flexi-CTs
synchronized sampling, internal frequency reference used during
voltage drops.
and to the A-B/L1-L2 voltage for delta power types. All listed power
types can be characterized as either wye or delta.
Inter-harmonics per IEC61000-4-7: 2560 points / 10 cycles (50 Hz),
3072 points/12 cycles (60 Hz)
Transient Voltage: 5 MHz
Transient voltage: 14 bits
10 % Overrange
DC voltage: 1000 V + 10 % Overrange
impedance for Flexi-CTs