FLUKE 1760 3-Phase Energy Logger

Model # 1760

Three-phase power quality recorder fully compliant to IEC 61000-4-30 Class-A and consistent with compliance testing
Uses GPS time synchronization to correlate data with events or datasets from other instruments with precision
Includes comprehensive software that provides trend diagrams for root cause analysis

BrandFLUKE
Model Number1760

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Product overview: Fluke 1760 Three-Phase Energy Logger

Class-A compliance for the most demanding power quality tests

The Fluke 1760 Three-Phase Power Quality Recorder is fully compliant to IEC 61000-4-30 Class-A, for advanced power quality analysis and consistent compliance testing. Designed for analysis of utility and industrial power distribution systems, in medium- and low-voltage networks. The Fluke 1760 provides exceptional flexibility with the ability to customize thresholds, algorithms, and measurement selections. The 1760 power recorder captures the most comprehensive details on user-selected parameters; the supplied PQ Analyze application software enables users uses the in depth measurement and produce sophisticated analysis and reports.

Applications

Detailed disturbance analysis – Perform high-speed transient analysis and uncover root cause of equipment malfunction for later mitigation and predictive maintenance. The fast transient option, with its 6000 V measurement range, allows capture of very short impulses such as capacitor switching and lightning strikes.
Class-A quality-of-service compliance – Validate incoming power quality at the service entrance. Thanks to Class A compliance, the Fluke 1760 allows undisputable verification. The Fluke 1760 Class A compliance has been independently verified at a world leading power quality laboratory.
Event correlation at multiple locations – Utilizing GPS time synchronization, users can quickly detect where a fault occurred first, either inside or outside the facility. The accuracy of this time-stamping enables users with multiple 1760s on their network to understand the propagation of events across the network.
Galvanic separation and DC coupling – Allows complete measurements on dissimilar power systems. For example troubleshoot UPS systems by simultaneously recording the battery voltage and power output.
Power quality and power load studies – Assess baseline power quality to validate compatibility with critical systems before installation and verify electrical system capacity before adding loads.

Other useful features:

Provides uninterrupted power supply (40 minutes) so you’ll never miss important events. Even records the beginning and end of interruptions and outages to help determine the cause
Provides continuous recording of voltage, current, power P, Q, S, power factor, kWh, flicker, unbalance, frequency, voltage and current harmonics to the 50th/Interharmonics, THD, and mains signaling
Provides 2 GB data memory to enable detailed, simultaneous recording of numerous power parameters for long periods of time
Includes comprehensive software that provides trend diagrams for root cause analysis, statistical summaries, report writing, and real-time data monitoring in the online mode
Allows quick plug and play setup with automatic sensor detection. Sensors are instrument powered, eliminating the need for batteries
Delivers reliable testing under nearly any conditions with rugged insulated housing and a solid state design that has no rotating components
Comes with four dual-range flexible current probes (1000 A/200 A AC)

Overview of Measurement Functions
Statistical evaluation	Power quality statistics according to EN50160 and DISDIP tables like ITIC, CEBEMA, ANSI
Event list	Dips, swells and interruptions are detected and stored in the event list. Also any trigger which fires generates an event added to this list.
	The Event list shows the exact time when the event occurred as well as the duration and magnitude. Sorting by several attributes of these events is possible to select one for further root cause analysis.
	RMS values, transients and fast transients can be stored if a trigger fires
Continuous recording	Fluke 1760 records rms values together with corresponding minimum and maximum values for: • Voltage • Current • Power P, Q, S • Power Factor • kWh • Flicker • Unbalance • Frequency • Harmonics/Interharmonics continuously with the following time aggregations: Day, 10 min, Free Interval, e.g.: 15 min, 2 h
Triggered recordings	rms	Aggregation time is adjustable between 10 ms (1/2 cycle), 20 ms (1 cycle), 200 ms (10/12 cycles) or 3 sec (150/180 cycles).
		Calculating rms values, Harmonics and Interharmonics is performed synchronous to the power frequency.
		Basic aggregation for harmonics and interharmonics is 200 ms
		Sample rate is 10.24 kHz for all 8 channels
	Mains signalling	Phases and N-conductor, Voltage and current
Online mode	Variable refresh rate. This feature allows verification of instrument set up and delivers a quick overview of oscilloscope, transients and events.
General Data
Intrinsic uncertainty	refers to reference conditions and is guaranteed for two years
Quality system	developed, manufactured as per ISO 9001: 2000
Environment conditions	Operating temp. range	0°C to +50°C; 32°F to +122°F
	Working temp. range	-20°C to +50°C; -4°F to +122°F
	Storage temp. range	20°C to +60°C; -4°F to 140°F
	Reference temperature	23°C ±2 K; 74°F ±2 K
	Climatic class	B2 (IEC 654-1), -20°C to +50°C; -4°F to +122°F
	Max. operating altitude	2000 m: max. 600 V CAT IV¹ power supply: 300 V CAT III 5000 m: max 600 V CAT III¹ power supply: 300 V CAT II
		1. Depending on sensor
Reference conditions	Environment temperature	23°C ±2 K ; 74°F ±2 K
	Power supply	230 V ±10%
	Power frequency	50 Hz / 60 Hz
	Signal	declared input voltage Udin
	Averaging	10 minute intervals
Housing	Insulated, robust plastics housing
EMC	Emission	Class-A as per IEC/EN 61326-1
	Immunity	IEC/EN 61326-1
Power supply	Range	AC: 83 V to 264 V, 45 to 65 Hz
		DC: 100 V to 375 V
	Safety	IEC/EN 61010-1 2nd edition
		300 V CAT III
	Power consumption	NIMH, 7.2 V, 2.7 Ah
	Battery pack	In case of a power supply failure an internal battery maintains the supply for up to 40 minutes. Afterwards, or in case of discharged accumulators the Fluke 1760 is turned off and continues the measurements with the latest settings as soon as the supply voltage returns. The battery can be replaced by the user.
Display	Fluke 1760 features LED indicators for the status of the 8 channels, phase sequence, power supply (mains or accumulator), memory usage, time synchronization, and data transfer.
	Power LED	Permanent light: normal power supply from mains. OFF: supply via internal accumulator in case of a power failure.
	Channel LEDs 3-color LEDs per channel for	Overload condition Under load condition
Data memory	2 GB Flash memory
Memory model	Linear
Interfaces	Ethernet (100 MB/s), compatible to Windows® XP, 7 and 8, RS 232, external modem via RS 232
Baud rate for RS 232	9600 Baud to 115 kBaud
Dimensions (H x W x D)	325 x 300 x 65 mm; 2.8 x 11.8 x 2.6 in
Weight	appr. 4.9 kg; 10.8 lbs (without accessories)
Warranty	2 years
Calibration interval	1 year recommended for Class-A, otherwise 2 years
Signal Conditioning
Range for 50 Hz systems	50 Hz ±15% (42.5 Hz to 57.5 Hz)
Range for 60 Hz systems	60 Hz ±15% (51 Hz to 69 Hz)
Resolution	16 ppm
Sampling frequency for 50 Hz power frequency	10.24 kHz, The sampling rate is synchronized to mains frequency.
Uncertainty for frequency measurements	< 20 ppm
Uncertainty of internal clock	< 1 s / day
Measurement intervals	Aggregation of the interval values as per IEC 61000-4-30 Class-A
	Min-, Max-values	Half cycle, e.g.: 10 ms rms values at 50Hz
	Transients	Sample rate 100 kHz to 10 MHz per channel
Harmonics	as per IEC 61000-4-7:2002: 200 ms
Flicker	as per EN 61000-4-15:2003: 10 min (Pst), 2 h (Plt)
Measurement Inputs
Number of inputs	8 galvanically isolated inputs for voltage and current measurements.
Sensor safety	up to 600 V CAT IV depending on sensor
Basic safety	300 V CAT III
Nominal voltage (rms)	100 mV
Range (peak value)	280 mV
Overload capacity (rms)	1000 V, continuously
Voltage rise rate	max. 15 kV / µs
Input resistance	1 MΩ
Input capacitance	5 pF
Input filter	Each channel is equipped with a passive low-pass filter, an anti-aliasing filter and a 16-bit A/D converter. All channels are sampled synchronously with a common quartz-controlled clock pulse. The filters protect against voltage transients and limit the signal rise rate, reduce high frequency components and especially the noise voltage above half the sampling rate of the A/D converter by 80 dB, thus achieving very small measuring errors in an exceptionally large amplitude range. This is also valid under extreme operating conditions like transient voltages at the output of converters.
Uncertainties
Uncertainty at reference conditions	Uncertainty including the voltage sensors is in compliance with IEC 61000-4-30 Class-A. All voltage sensors are suitable for DC up to 5 kHz
	With Sensor 1000 V	0,1% at Udin = 480 V and 600 V P-N
	Sensor 600 V	0,1% at Udin = 230 V P-N
Intrinsic uncertainty for harmonics	Class I as per EN 61000-4-7:2002
Reference conditions	23°C ±2 K < 60% rH; 74°F ±2 K < 60% rH
	Warmed up instrument > 3h
	Power supply: 100 V to 250 V AC
Temperature drift	100 ppm / K
Aging	< 0.05% / year
Common mode rejection	> 100 dB at 50 Hz
Temperature drift	Change of amplification through temperature: < 0.005%/K
Aging	Change of amplification due to ageing: < 0.04%/year
Noise	Noise voltage, input short-circuited: < 40 µV
DC	±(0.2% rdg + 0.1% sensor)