Fluke 1738 User Manual
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- Page 1 Test Equipment Depot - 800.517.8431 - 5 Commonwealth Ave, Woburn MA 01801 - TestEquipmentDepot.com 1736/1738 Power Logger Users Manual September 2015, Rev. 2, 1/20 ©2015-2020 Fluke Corporation. All rights reserved. All product names are trademarks of their respective companies.
- Page 2 LIMITED WARRANTY AND LIMITATION OF LIABILITY Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is two years and begins on the date of shipment. Parts, product repairs, and services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a Fluke authorized reseller, and does not apply to fuses, disposable batteries, or to any product which, in Fluke's opinion, has been misused, altered, neglected, contaminated, or damaged by accident or abnormal conditions of operation or handling.
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Page 3: Table Of Contents
How to Contact Fluke ........ - Page 4 1736/1738 Users Manual Touch Screen ................16 Brightness Button .
- Page 5 Wireless Access to PC Software ............59 Fluke Connect ...
- Page 6 1736/1738 Users Manual...
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Page 7: Introduction
Introduction The 1736 and 1738 Power Loggers (the Logger or Product) are • Energy: Active Energy (Wh), Apparent Energy (VAh), Non-active compact devices for energy and power quality surveys. With a built-in Energy (varh) touch screen and USB flash drive support, it is easy to configure, •... -
Page 8: How To Contact Fluke
1736/1738 Users Manual How to Contact Fluke Before You Start To contact Fluke, call one of the following telephone numbers: Below is a list of the items included with your purchase. Carefully unpack and inspect each of the items: •... - Page 9 • Magnet Hanger Kit Table 1. Country-Specific Mains Power Cable • Set of 4 Magnet Probes for 4 mm Banana Plugs The 1738 Power Logger also includes these items in the standard purchase list: • WiFi/BLE to USB Adapter •...
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Page 10: Wifi And Wifi/Ble-To-Usb Adapter
Remote control via Virtual Network Computing (VNC). See page 58 for more information about VNC. • Display and store data of up to 2 modules of the Fluke FC 3000 series together with the instrument data into logging sessions (requires WiFi/BLE or Bluetooth adapter feature, available with firmware version 2.0). -
Page 11: Magnet Hanger Kit
Power Logger Before You Start Magnet Hanger Kit The optional accessory shown in Figure 2 is used to: • Hang the Logger with power supply attached (use two magnets) • Hang the Logger separately (use two magnets) • Hang the power supply separately (use one magnet) Figure 2. -
Page 12: Voltage Test Leads
1736/1738 Users Manual Voltage Test Leads A correctly formed R-coil, with equally spaced windings, is largely immune to electromagnetic interference. Voltage test leads are four-core, flat, test leads that do not tangle and Use the cable markers for easy identification of the four current can be installed in tight spaces. -
Page 13: Accessories
Table 2 is a list of the accessories that are available and sold separately for the Logger. The warranty on included accessories is 1 year. For the most up-to-date information on accessories, go to www.fluke.com. Table 2. Accessories Part ID... - Page 14 Cable Marker Set 3 phase + N + PE 5046009 Fluke-1730-Hanger Kit Hanger Kit 4358028 Upgrade Kit for 1736 to 1738 (includes: Hanger, Magnet Probes, Bluetooth FLUKE-1736/UPGRADE 4941258 Adapter, WiFi Adapter, and License Key) IEEE 519/REPORT Software License for IEEE 519 Reporting...
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Page 15: Storage
Power Logger Storage Storage The power cord/measurement line cover slides to select the input source. When not in use, keep the Logger in the protective storage bag/case. XW Warning The bag/case has sufficient space for the Logger and all the To prevent possible electrical shock, fire, or personal accessories. -
Page 16: Battery Operation
1736/1738 Users Manual Battery Operation To charge the battery: Connect the mains cord to the ac input socket on the power W Caution supply. To prevent damage to the Product: Fit the power supply to the Logger or use the dc power cord to •... -
Page 17: Navigation And User Interface
Power Logger Navigation and User Interface Navigation and User Interface See Table 3 for a list of the front-panel controls and their functions. See Table 4 for a list of the connectors and their functions. Table 3. Front Panel Item Control Description ... - Page 18 1736/1738 Users Manual Table 4. Connector Panel Item Description Current measurement inputs (3 phases + N) Voltage measurement inputs (3 phases + N) Power Cord/Measurement Line Slide-Cover Power Cord AC Input 100-240 V 50/60 Hz 15 VA Measurement Line AC Input ...
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Page 19: Power
Power Logger Power Power Measurement Line Power Source W Caution The Logger has options for power source: To prevent damage to the product, make sure the • mains measured voltage does not exceed the input rating of • measurement line the power supply. - Page 20 1736/1738 Users Manual Figure 7. Measurement without Neutral Voltage and Instrument Power Supply Figure 8. Measurement with Neutral Voltage and Instrument Connect the test leads with the voltage measurement inputs: Power Supply • Connect A/L1 with one input of the power supply.
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Page 21: Battery Power Source
Power Logger Power Connect the voltage inputs to the test points. Battery Power Source The Logger automatically turns on and is ready to use in <30 The Logger can operate on battery power without a connection to the seconds. power supply or dc power cord. Note Push ... -
Page 22: Touch Screen
1736/1738 Users Manual Touch Screen Calibration The touch screen is pre-calibrated. If you notice that the targets do not The touch screen lets you interact directly with what is on the display. align with your touch on the display, you can calibrate the display. -
Page 23: First-Time Use/Setup Wizard
For more information, see the white paper, Measurement Theory Formulas, at www.fluke.com for a list of formulas. Pick the work standards for your region. This action selects the color codes and the phase descriptor (A, B, C, N or L1, L2, L3, Attach the cable markers to the current probe cables. -
Page 24: First Measurements
1736/1738 Users Manual First Measurements Use the Thin-Flexi current probes and plug the phase A current probe into the phase A/L1 input jack on the logger, the phase At the energy study site, look at the information in the panel and the B/L2 current probe into the phase B/L2 input jack on the logger, rating plates on the machines. - Page 25 Power Logger First Measurements 12. Push to determine the power values, especially active 19. To transfer and analyze the data using the PC software, attach a power and power factor. USB flash drive with FAT32 file system to the Logger and copy the logging session and screenshot.
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Page 26: Function Selection Buttons
1736/1738 Users Manual Function Selection Buttons Scope The scope screen shows about 1.5 periods of voltage and current. The Logger has three buttons that switch between the Meter, Power, The exact number of shown periods depends on the input frequency. -
Page 27: Measurement Configuration
Harmonics Spectrum Relative to Harmonic Limits Measurement Configuration Use the Change Configuration touch button to access the This feature is available on 1738 or 1736 with 1736/Upgrade on measurement configuration screen. The configuration screen allows installation of the IEEE 519/Report license. The screen shows the... -
Page 28: Study Type
Users Manual Study Type Power Quality Depending on the application, select either Load Study or Energy Select the power quality standard (available on 1738 or 1736 with Study. 1736/Upgrade or IEEE 519/Report license) for compliance evaluation. • Energy Study: Select this study type when voltage... -
Page 29: Topology (Distribution System)
Power Logger Function Selection Buttons Topology (Distribution System) Single Phase Select the appropriate system. A connection diagram for the voltage Example: Branch circuit at an outlet. test leads and current sensors is shown on the Logger. A diagram is also available with ... - Page 30 1736/1738 Users Manual Single Phase IT Split Phase The logger has a galvanic isolation between the voltage inputs and Example: A North American residential installation at the service ground based signals like USB and mains input. entrance. Example: Used in Norway and in some hospitals. This would be the connection at a branch circuit.
- Page 31 Power Logger Function Selection Buttons 3-Ф Wye 3-Ф Wye IT Example: Also called “Star” or four-wire connection. Typical The logger has a galvanic isolation between the voltage inputs and commercial building power. ground based signals like USB and mains input. Example: Industrial power in countries that use the IT (Isolated Terra) system, such as Norway.
- Page 32 1736/1738 Users Manual 3-Ф Wye Balanced 3-Ф Delta Example: For symmetrical loads like motors the connection can be Example: Often found in industrial settings where electric motors are simplified by measuring only one phase and assuming the same used. voltages/currents on the other phases. As an option, you can measure harmonics with a current probe on the neutral line.
- Page 33 Power Logger Function Selection Buttons 2 Element Delta (Aron/Blondel) 3-Ф Delta Open Leg Example: Blondel or Aron connection, simplifies the connection by the Example: A variant of power transformer winding type. use of only two current sensors. Energy Study Energy Study Load Study (no voltage measurement) Load Study (no voltage measurement) Note...
- Page 34 1736/1738 Users Manual 3-Ф High Leg Delta 3-Ф Delta Balanced Example: This topology is used to provide an additional voltage that is Example: For symmetrical loads like motors, the connection is half the phase to phase voltage. simplified with only one phase measurement and assuming the same voltages/currents on the other phases.
- Page 35 Power Logger Function Selection Buttons Nominal Voltage When set to Auto, the current range is set automatically and depends on the measured current. Select a nominal voltage from the list. If a voltage is not shown in the list, enter a custom voltage. On energy studies, the nominal voltage is Low Range is 1/10 of the nominal range of the attached current required to determine the limits for dips, swells, and interruptions.
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Page 36: Auxiliary Input
Verify on the module: • The Logger supports up to two additional measurement channels with ID number shows on the module either the wired AUX input or wireless radio signals from Fluke • flashes to confirm the connection Connect sensors. - Page 37 Power Logger Function Selection Buttons Select Select Confirm Confirm Flashes Flashes Figure 10. Wireless Connection to Fluke Connect Modules...
- Page 38 1736/1738 Users Manual • Use up to 8 characters to configure the measurement Unit of the Wired Connection parameter. Configure the Auxiliary input to show the readings for the attached sensor. In addition to the default setting of ±10 V, up to five custom •...
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Page 39: Connection Verification And Correction
Example 2: Connection Verification and Correction Once the measurement is configured and the voltage and current Fluke 80TK Thermocouple Module inputs are connected to the system under test, go back to the Meter Output: 0.1 V/°C, 0.1 V/°F mode and use the Verify Connection touch button to confirm the connection. -
Page 40: Power
1736/1738 Users Manual Auto Correct is not available if the algorithm is not able to detect a Power better phase map or when no errors are detected. – In the Power mode you can get the values and a live trend... -
Page 41: Logger
Power Logger Function Selection Buttons The menu also provides the access to live values of Energy as: Logger • Active Energy (Ep) Wh – In Logger mode, you can: • Reactive Energy (E r) in varh • Configure a new logging session •... - Page 42 1736/1738 Users Manual To select between Load Study and Energy Study: Duration and Recording Start/Stop Date and Time Go to Meter > Change Configuration. This Configuration screen You can set the duration of the measurement from a list. No end...
- Page 43 Power Logger Function Selection Buttons Options to configure the logging session: The Logger recommends an interval based on the duration to get the best balance between resolution and data size. • Duration and manual start A memory gauge shows the memory used by recorded sessions and •...
- Page 44 Instrument Settings. See Instrument Settings on page 45 for more information. • PQ Health (available on 1738 or 1736 with 1736/Upgrade or IEEE 519/Report license) Note This value is not available for load studies.
- Page 45 Power Logger Function Selection Buttons In the "V, A, Hz, +", "Power" and "Energy" screens, use (Show Push (Graph) to display the measured values in a chart. The Menu) or the cursor keys to see a list of available parameters. Use table on the right side of the screen shows the highest and lowest ...
- Page 46 Energy PQ Health Overview Note The PQ Health Overview is available on 1738 or 1736 with Not available on load studies without a nominal voltage. 1736/Upgrade or IEEE 519/Report license. This screen shows a pass/fail analysis based on limits defined by the power quality Determine the energy consumed/delivered since the logging session standard EN 50160.
- Page 47 Power Logger Function Selection Buttons The screen updates with each new average calculation interval of In the case of a counter-clockwise rotating system, the unbalance 10 minutes. would show values exceeding 100 %. In this case the ratio positive sequence divided by negative system is calculated which results in From the PQ Health Home screen you have access to: values lower or equal to 100 %.
- Page 48 Event Type, Extreme Value, Severity, and Phase. Touch the arrows left and right of the table to view all available columns. Use highlight an event of interest. On the 1738 or the 1736 with 1736/Upgrade license, use (Waveshape) and ...
- Page 49 Power Logger Function Selection Buttons Supply Voltage Swells On single-phase systems, a voltage dip begins when the voltage falls below the dip threshold, and ends when the voltage is equal to or On single-phase systems, a swell begins when the voltage rises above the dip threshold plus the hysteresis voltage.
- Page 50 1736/1738 Users Manual Supply Voltage Interruptions The inrush current begins when the 1/2-cycle RMS current rises above the inrush threshold, and ends when the 1/2-cycle RMS current On single-phase systems, a voltage interruption begins when the is equal to or below the inrush threshold minus the hysteresis value. In...
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Page 51: Memory/Settings Button
Power Logger Function Selection Buttons Memory/Settings Button Screen Capture In this screen you can review, erase, and copy saved screens to a In this menu you can: USB flash drive. • Review and erase the data from completed logging sessions Push ... - Page 52 1736/1738 Users Manual Phase Color/Phase Labels Name for Instrument These phase color schemes are configurable: You can assign a name to the Logger. This name is attached to the measurement files when you review these files in Energy Analyze Scheme...
- Page 53 Power Logger Function Selection Buttons Date/Time Zone To set the date format: The logger stores the measurement data in universal time coordinate Push (UTC) to ensure continuity in time and accounts for time changes due Push (Instrument Settings). to daylight saving time (DST).
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Page 54: Status Information
1736/1738 Users Manual Currency Status Information The screen provides information and status about the Logger, such as The currency symbol used for energy cost values is configurable. the serial number, attached current probes, battery status, and To set the currency: installed licenses. -
Page 55: Touch Screen Calibration
Power Logger Function Selection Buttons Touch Screen Calibration To copy the service data: The touch screen has been calibrated at the factory before shipment. Attach a USB flash drive with sufficient available memory In case you do experience misalignment with the touch targets, use (depending on the file size of stored logging sessions, maximum the touch screen calibration feature. -
Page 56: Firmware Update
Follow the instructions. When the firmware update is complete the Logger restarts automatically. [1] The WiFi Infrastructure license is complimentary and enabled when you register the Logger at www.fluke.com. Note A firmware update deletes all user data such as measurement data and screen captures. -
Page 57: 1736/Upgrade
Go to the product registration page and select your region, activation is complete. country, and language. Select Brand > Fluke Industrial. Select Product Family > Power Quality Tools. Select Model Name > Fluke 1736 or Fluke 1738. Enter the serial number of the Logger. -
Page 58: Maintenance
Logger. The recommended calibration cycle is • Have an approved technician repair the Product. 2 years. For more information see How to Contact Fluke on page 2. How to Clean W Caution To avoid damage, do not use abrasives or solvents on this instrument. -
Page 59: Service And Parts
Power Logger Service and Parts Service and Parts Replacement parts are listed in Table 7 and shown in Figure 15. To order parts and accessories, see How to Contact Fluke on page 2. Table 7. Replacement Parts Fluke Part or Ref. - Page 60 1736/1738 Users Manual Figure 15. Replacement Parts...
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Page 61: Energy Analyze Plus Software
The computer hardware requirements for the software are: The companion PC software, Fluke Energy Analyze Plus, is available • at www.fluke.com. With the software, you can do many tasks from a Free Hard Disk space 50 MB, >10 GB (for measurement data) computer: recommended •... -
Page 62: Pc Connections
WiFi Support PC Connections To connect the PC to the Logger: With the USB WiFi Adapter you can use the Fluke Connect App for Turn on the computer and the Logger. asset management, trending and sharing measurement data, wirelessly control the Logger with a PC/smartphone/tablet, and Install the Energy Analyze Plus Software. -
Page 63: Wifi Direct Connection
Power Logger WiFi Support WiFi Direct Connection WiFi-Infrastructure The WiFi direct connection uses WPA2-PSK (pre-shared key) with The WiFi connection requires the WiFi-Infrastructure license and AES encryption. The passphrase shown on the screen is required to supports WPA2-PSK. This connection requires a DHCP service establish a connection from a client to the device. -
Page 64: Remote Control
1736/1738 Users Manual Remote Control Configuration IP Address You can remotely control the instrument with a free third-party VNC Direct Connection ......10.10.10.1 client available for Windows, Android, Apple iOS, and Windows Phone after the WiFi connection is setup. VNC (Virtual Network WiFi Infrastructure...... -
Page 65: Wireless Access To Pc Software
PC software. On your smartphone, go to Settings > WiFi. Select the WiFi network that begins with "Fluke173x<serial-no>". Go to the Fluke Connect App and select the Logger from the list. Go to www.flukeconnect.com for more information about how to use the app. -
Page 66: Wiring Configurations
1736/1738 Users Manual Wiring Configurations V, A, Hz, + ... - Page 67 Power Logger Wiring Configurations V, A, Hz, + (cont.) V, % h01-50 THD V h01-50 A, % THD I TDD I h01-50 A, % THD I ...
- Page 68 1736/1738 Users Manual Power A fund B fund C fund Total Total fund A fund ...
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Page 69: Glossary
Power Logger Glossary Glossary Unbalance (u2) Supply Voltage Unbalance Condition in a three phase system in which the RMS. values of the line-to-line voltages (fundamental component), or the phase angles between consecutive line voltages, are not all equal. The unbalance value is the ratio of the negative sequence to the positive sequence in percent and is typically in the range between 0% and 2%. -
Page 70: General Specifications
Power Supply ............13.0 cm x 13.0 cm x 4.5 cm (5.1 in x 5.1 in x 1.8 in) 1736/1738 with power supply attached ....19.8 cm x 16.7 cm x 9 cm (7.8 in x 6.6 in x 4.0 in) Weight 1736/1738 ............1.1 kg (2.5 lb) - Page 71 Power Logger Environmental Specifications Safety IEC 61010-1 IEC Mains Input..........Overvoltage Category II, Pollution Degree 2 Voltage Terminals ...........Overvoltage Category IV, Pollution Degree 2 IEC 61010-2-033..........CAT IV 600 V / CAT III 1000 V Electromagnetic Compatibility (EMC) International ............IEC 61326-1: Industrial CISPR 11: Group 1, Class A Group 1: Equipment has intentionally generated and/or uses conductively-coupled radio frequency energy that is necessary for the internal function of the equipment itself.
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Page 72: Electrical Specifications
1736/1738 Users Manual Electrical Specifications Power Supply Voltage Range ............nominal 100 V to 500 V (85 V min to 550 V max) using safety plug input Mains Power ............nominal 100 V to 240 V (85 V min to 265 V max) using IEC 60320 C7 input (figure 8 power cord) Power consumption..........Maximum 50 VA (max. - Page 73 Input Range.............0 V dc to ±10 V dc Wireless Connection (requires WiFi/BLE adapter USB1 FC) Number of Inputs..........2 Supported Modules .........Fluke Connect 3000 series Acquisition............1 reading/s Scale factor ............Format: mx + b (Gain and offset) user configurable Displayed units............User configurable (up to 8 characters, for example °C, psi, or m/s) Data Acquisition Resolution ............16-bit synchronous sampling...
- Page 74 WiFi Supported modes..........Direct connection and connection to infrastructure (requires WiFi-Infrastructure license) Security ............WPA2-AES with pre-shared key Bluetooth .............read auxiliary measurement data from Fluke Connect 3000 series modules (requires WiFi/BLE adapter USB1 FC) USB-mini .............Data download device to PC Extension port .............Accessories...
- Page 75 Power Logger Electrical Specifications Accuracy at Reference Conditions Intrinsic Accuracy at Reference Conditions Parameter Range Maximum Resolution (% of Reading + % of Range) Voltage 1000 V 0.1 V ±(0.2 % + 0.01 %) ±(0.3 % + 0.02 %) 15 mV 0.01 mV Rogowski Mode 150 mV...
- Page 76 1736/1738 Users Manual Power/Energy Parameter Direct Input iFlex1500-12 iFlex3000-24 iFlex6000-36 i40S-EL Clamp: 50 mV/500 mV 150 A / 1500 A 300 A / 3000 A 600 A / 6000 A 4 A / 40 A Rogowski: 15 mV/150 mV Power Range W, VA, var Clamp: 50 W/500 W 150 kW / 1.5 MW...
- Page 77 Power Logger Electrical Specifications Intrinsic Uncertainty ±(% of measurement value + % of power range) Direct Input iFlex1500-12 iFlex3000-24 iFlex6000-36 i40S-EL Influence Parameter Quantity Clamp: 50 mV/500 mV 150 A / 1500 A 300 A / 3000 A 600 A / 6000 A 4 A / 40 A Rogowski: 15 mV/150 mV PF ≥0.99...
- Page 78 1736/1738 Users Manual 1 PF – Formula 1: ------------------------ - % +0.005 % × 1 PF – Formula 2: ------------------------ - % +0.005 % × 1 PF –...
- Page 79 Power Logger Electrical Specifications iFlex Probe Specifications Measuring range iFlex 1500-12 ............1 to 150 A ac / 10 to 1500 A ac iFlex 3000-24 ............3 to 300 A ac / 30 to 3000 A ac iFlex 6000-36 ............6 to 600 A ac / 60 to 6000 A ac Nondestructive current ........100 kA (50/60 Hz) ....
- Page 80 1736/1738 Users Manual Positioning error with position of conductor in the probe window. See Table 9. Table 9. Flex Probe Window iFlex1500-12: 88mm iFlex3000-24: 185mm iFlex6000-36: 282mm Probe Window iFlex1500-12, iFlex3000-24 iFlex6000-36 ±(1 % of reading + 0.02 % of range) ±(1.5 % of reading + 0.03 % of range)
- Page 81 Power Logger Electrical Specifications Working Voltage............1000 V CAT III, 600 V CAT IV [1] Reference Condition: • Environmental: 23 °C ±5 °C, no external electrical/magnetic field, RH 65 % • Single primary conductor in center position Transducer length iFlex 1500-12 ............305 mm (12 in) iFlex 3000-24 ............610 mm (24 in) iFlex 6000-36 ............915 mm (36 in) Transducer cable diameter ........7.5 mm (0.3 in)
- Page 82 1736/1738 Users Manual i40s-EL Current Clamp Specifications See Table 10 for setup instructions. Table 10. i40s-EL Setup Item Description Single Insulated current carrying conductor Release button Load direction arrow Tactile barrier Measuring range .............40 mA to 4 Aac / 0.4 Aac to 40 Aac ≤...
- Page 83 Power Logger Electrical Specifications Influence of conductor position ± in jaw opening ............0.5 % of reading (@ 50/60 Hz) Bandwidth ...............10 Hz to 2.5 kHz Working Voltage............600 V CAT III, 300 V CAT IV [1] Reference Condition: • Environmental: 23 °C ±5 °C, no external electrical/magnetic field, RH 65 % •...
- Page 84 1736/1738 Users Manual...