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Kyoritsu Electrical Instruments Works, Ltd. KEW 6305 Quick Manual

Digital power meter
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Quick Manual
DIGITAL POWER METER
KEW 6305
GlobalTestSupply
www.
.com
Find Quality Products Online at:
sales@GlobalTestSupply.com

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Summary of Contents for Kyoritsu Electrical Instruments Works, Ltd. KEW 6305

  • Page 1 Quick Manual DIGITAL POWER METER KEW 6305 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...

  • Page 2: Table Of Contents

    Preface KEW6305 ● Preface   This Quick manual is a simplified version of the full instruction manual which can be found in the supplied CD-ROM. This manual is intended only as a handy reference guide and should only be used after having read the full instruction manual which contains full details on each function of this instrument and the items contained in the package.

  • Page 3: Instrument Overview

    KEW6305 Instrument Overview 1. Instrument Overview Features This is a digital Power meter that can be used for various wiring systems and can measure up to 3 systems on single-phase 2-wire circuit. That is, this instrument does the jobs of three just by one. It can be used for measurements of instantaneous, integration and also demand values.
  • Page 4 Functional Overview KEW6305 Functional Overview SET UP WIRING CHECK Configures KEW6305 and makes settings for Performs a check for proper connection. measurements. See (Section 10) “Wiring check” for further details. [W] Instantaneous value measurement Measures average, max, min values of instantaneous values of current, voltage and electric power.

  • Page 5: Instrument Layout

    KEW6305 Instrument Layout 2. Instrument Layout Front view Status indicator LED Light up: Recording& Measuring Green Blink: Stand-by Light up: Recording error START/ STOP Display （LCD） Start/stop integration & START /STOP demand measurements Backlight Turn on/off the LCD backlight Cursor Select settings, Keys switch screens...
  • Page 6 Connector KEW6305 Connector Voltage Input Terminal (VN, V1, V2, V3) Current Input Terminal (A1, A2, A3) Terminal Cover Power Connector Side face < When the Connector Cover is opened > < When the Connector Cover is closed > SD Memory Card SD Card Cover USB Port Cover SD Card Slot...
  • Page 7 KEW6305 Symbols displayed on the LCD < Symbols appear to show the state of the instrument or measurement > Symbol Description Keys are being locked. Preset voltage value is exceeded. Preset current value is exceeded. Operating with AC power supply. Operating with batteries.

  • Page 8: Preparations

    Preparations KEW6305 3. Preparations Battery KEW6305 operates either an AC power supply or batteries. Capable of performing measurements in an event of AC power interruption, power to the instrument is automatically restored by the batteries installed in the instrument. Size AA alkaline dry-cell batteries (LR6) can be used. If an AC power supply is interrupted and batteries have not been installed, the instrument will be powered off and the measuring data may be lost.
  • Page 9 KEW6305 Cord connection Cord connection Voltage test lead Match the arrow marks. Power cord Clamp sensor Rated supply voltage : 100 - 240VAC(±10%) Rated supply frequency : 45 - 65Hz Max power consumption : 10VAmax Start-up screen KEW6305 will be powered on when setting the Function switch to any position other than OFF. All of the LCD segments will be displayed first, and then model name with version information.

  • Page 10: Set Up Set Up

    Set-up: SET UP Range KEW6305 4. Set-up: SET UP Range SET UP Set the Function switch to Range for making various settings. Settings listed below can be changed. (27 items in total) List of setting items Setting Setting no./ item Symbol Details 1P2W(1ch)/ 1P2W(2ch)/ 1P2W(3ch)/...
  • Page 11 KEW6305 Set-up: SET UP Range Setting Setting no./ item Symbol Details 18 Available space in Show the available space in the installed SD card SD card in percentage. 19 SD card Format ON(Format)/ OFF(Not format) SD card/ Internal 20 Available space in Show the available space in the internal memory Internal memory...
  • Page 12 Setting procedure KEW6305 4-1. Setting procedure STEP1 Set the Function Switch to Range. (to show the Set-up screen) SET UP Item no. Set-up screen STEP2 Use the Cursor keys and switch the Setting items with Setting no. 01 to 27. for increasing numbers, for decreasing numbers.
  • Page 13 KEW6305 Wiring system 4-2. Wiring system Power Load 1P2W(1ch) supply Load Power 1P3W supply Load 1P3W 1P2W(2ch) Load 1P2W(3ch) L1(R) L1(R) 3P3W3A Load Power L2(S) L2(S) 3P3W supply L1(R) L1(R) 3P3W L3(T) L3(T) Power L2(S) L2(S) supply Load L3(T) L3(T) 3P3W Orientation of Clamp sensor Load...

  • Page 14: Measurement Ranges

    Measurement Ranges KEW6305 5. Measurement Ranges KEW6305 can perform the following three different measurements. (a) Instantaneous value measurement (W Range) (b) Integration value measurement (Wh Range) (c) Demand measurement (DEMAND Range) Select a desirable Range according to the steps below. 1.

  • Page 15: Instantaneous Value Measurement

    KEW6305 Instantaneous value Measurement: Range 6. Instantaneous value Measurement: Range 6-1. Steps for measurement Ensuring your safety SET UP Range ↓ Basic setting Measurement setting Setting 01 Wiring system Preparation for measurement Setting 02 Voltage range ↓ Setting 03 Clamp sensor Setting 04 Current range Setting Setting 05 VT ratio (if necessary)
  • Page 16 Selecting/switching display contents KEW6305 6-2. Selecting/switching display contents Three parameters (max) can be displayed in one screen. (In the example 1-A below, V, A and P are displayed.) Display screen will be different depending on wiring systems. ● e.g. For Three-phase 4-wire 3P4W (16 screens): Screen 1-A Middle : A Bottom : P...
  • Page 17 KEW6305 Selecting/ switching display contents  ● For the other wiring systems:   Screens can be switched in the same way as described in the previous page. WIRING Screen V(avg) Middle A(avg) − − − Bottom 3P3W3A Middle − − − Bottom Middle −...
  • Page 18 Data saving KEW6305 6-3. Data saving Instantaneous values ( Range) can be saved by manual operation only. [Saving procedure] (1) File no. screen is displayed and data will be saved when pressing the Key during a measurement Range. Screen at Range File no.

  • Page 19: Wh Range

    KEW6305 Integration value measurement: Range 7. Integration value Measurement: Range 7-1. Steps for measurement Ensuring your safety SET UP Range ↓ Basic Setting Measurement setting Setting 01 Wiring system Setting 09 Recording interval Preparation for measurement Setting 02 Voltage range Setting 10 Specifying rec. period or endless rec. ↓...
  • Page 20 How to start/ stop measurement KEW6305 7-2. How to start/ stop measurement ● To start/ stop measurement manually ● To start/ stop measurement at the preset date&time Configure the settings for Setting 10/ Hold down the Key for START /STOP Range 11/12 , and then press the Key.
  • Page 21 KEW6305 How to switch screens/ save data 7-3. How to switch screens/ save data ● Screens and switching method < e.g. Three-phase 4-wire 3P4W > Screen1 Screen2 Screen3 Screen4 <For the other wiring systems> Parameters to be displayed Wiring system ( Setting 01 ) Displayed at Screen 1 Screen 2 Screen 3 Screen 4 TIME...

  • Page 22: Demand

    Demand Measurement : DEMAND Range KEW6305 8. Demand Measurement : DEMAND Range 8-1. Steps for measurement SET UP Range Ensuring your safety Basic Setting Measurement setting Setting 01 Wiring system Setting 09 Recording interval ↓ Setting 02 Voltage range Setting 10 Specifying rec. period or endless rec. Preparation for measurement Setting 03 Clamp sensor Setting 11 Time period setting Time setting Setting 04 Current range Setting 12 Time period setting Date setting...
  • Page 23 KEW6305 How to start/ stop measurement 8-2. How to start/ stop measurement ● To start/ stop measurement manually ● To start/ stop measurement at the preset date&time Configure the settings for Setting DEMAND Hold down the Key for START /STOP START 14/15 , and then press the Key.
  • Page 24 Screens/ saving data KEW6305 8-3. Screens/ saving data ● Parameters displayed on screens and switching method Screen 1 Screen 2 Screen 3 : Target value : Demand time : Date when max. demand value measured Middle : Predicted value Middle : Load factor Middle : Time when max.
  • Page 25 KEW6305 SD card/ Saved data 9. SD card/ Saved data 9-1. SD card compatibility This instrument supports 1/ 2Gbyte SD cards. ● Max number of saved data Destination to save data SD card Internal memory Capacity approx. 3.3 million results approx. 6.7 million results approx.
  • Page 26 Parameters to be saved KEW6305 ● Parameters to be saved The table below shows the parameters to be saved corresponding to each measurement range. (Parameters to be saved are different depending on wiring systems.) Manual saving : parameters in column 1 only (except for max/ min/ avg of each parameter) Auto-saving : all parameters in column 1 &...
  • Page 27 KEW6305 Data transfer 9-2. Data transfer 1. SD card and USB Data in SD card or internal memory can be transferred to PC using USB connection or SD card slot/ reader. Method of transfer Card reader SD card data (file) △...
  • Page 28 Wiring check: WIRING CHECK Range KEW6305 10. Wiring check: WIRING CHECK Range 10-1．Checking procedure Select the WIRING CHECK Range for checking proper connection. STEP1 After connections are complete, set the Function switch to the WIRING CHECK Range. Then present voltage, current, power factor and electric power (instantaneous value) are displayed on the LCD as shown in the table below.
  • Page 29 KEW6305 Criteria of judgment and cause 10-2. Criteria of judgment and cause Check Criteria of Judgment Cause Frequency Frequency of V1 is within 45 - 65Hz. - Voltage clip is firmly connected to the DUT? - M e a s u r i n g t o o h i g h h a r m o n i c components? Voltage input Voltage input is 10% or more of...

  • Page 30: Range

    DATA CHECK Data check: Range KEW6305 11. Data check: DATA CHECK Range Past 10 data (including the latest one) can be recalled and checked on the LCD. Select the DATA CHECK Range for checking the data. Data No. ・・・ Two before the Nine before Ten before the Saved data...

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