AEMC 6550 User Manual
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AEMC 6550 User Manual

10kv and 15kv megohmmeters
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6550
10kV and 15kV MEGOHMMETERS
6555
ENGLISH
User Manual
ShopAEMC
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1.877.766.5412
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  • Page 1 6550 10kV and 15kV MEGOHMMETERS  6555 ENGLISH User Manual ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 2 Megohmmeter Models 6550 / 6555 Cat. #2130.31 / Cat. #2130.32 PRODUCT PACKAGING Ships with the following: Small Classic Tool Bag Cat. #2133.72 10kV Megohmmeter Model 6550 Cat. #2130.31 15kV Megohmmeter Model 6555 Cat. #2130.32 Set of 3 color-coded (red/blue/black) 9 ft (15kV) integral leads and alligator clips (1000V CAT IV), set of 2 color-coded test probes (red/black 1000V CAT IV) Cat.
  • Page 3 2130.31 / 2130.32 Model #: 6550 / 6555 Please fill in the appropriate date as indicated: Date Received: ____________________________ Date Calibration Due: _______________________ Chauvin Arnoux , Inc. ® d.b.a AEMC Instruments ® ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 4 Thank you for purchasing a Megohmmeter Model 6550/6555. For best results from your instrument and for your safety, read the enclosed operating instructions carefully and comply with the precautions for use. These products must be only used by qualified and trained users.

  • Page 5: Precautions Before Use

    - Appliances, portable tools, and other similar light industrial/household loads - Outlet and long-branch circuits - Outlets at more than 30 ft from CAT III source - Outlets at more than 60 ft from CAT IV source ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 6: Table Of Contents

    3.4.6 Adjustment of the Alarm Thresholds ..................25 4. OPERATION ......................26 4.1 Charging the Batteries ......................... 26 4.2 Using the Leads ........................... 27 4.3 AC/DC Voltage Measurement ......................27 Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 7 7.2 Electrical Specifications ........................53 7.2.1 Voltage ............................53 7.2.2 Current............................53 7.2.3 Insulation Resistance ........................ 53 7.2.4 DAR, PI, and DD ........................58 7.2.5 Capacitance ..........................58 Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 8 8.1 Recharging the Battery ........................63 8.2 Replacing the Battery .......................... 63 8.3 Replacing the Fuse ..........................64 8.4 Cleaning ............................... 64 8.7 Limited Warranty ..........................65 8.8 Warranty Repairs ..........................65 Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 9: Introduction

    Save the damaged packing container to substantiate your claim. Megohmmeter Model 6550 (Graphical, Analog Bargraph, Backlight, Alarm, Timer, 500V, 1000V, Software) ..Cat. #2130.31 2500V, 5000V, 10kV, Ramp, StepV, Variable, Auto DAR/PI/DD, USB, w/DataView ®...

  • Page 10: Product Features

    They are packaged in a rugged IP 54 rated case, have a graphical LCD screen and can operate on battery or AC power. The Model 6550 makes insulation measurements at voltages up to 10,000V, the Model 6555 up to 15,000V. Their main functions are: ■...

  • Page 11: Front Panel Features

    USB connection for communication with a PC. Seven-position rotary function switch. Navigation buttons for moving the cursor, selecting and changing values. START/STOP measurement button. Eight function buttons (see § 2.4). Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 12: Display

    Duration of the measurement DAR (30s/60s) 1.00 Subsidiary results PI (1.0m/10m) Capacitance 2.201 nF symbol indicates blinking. If values are undetermined, they are represented by - - - -. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 13: Button Functions

    Humidity --- % Probe Temperature --- °C Rc Reference Temperature --- °C ∆T for R/2 --- °C R measured 5.00 GΩ Rc at --- °C --- kΩ TEMP Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 14: Alarm Button

    If the measurement is less than the alarm threshold, the instrument indicates this by blinking the ALARM symbol on the display and emitting an audible signal. Press the ALARM button again to disable the alarm; the ALARM symbol disappears from the display. ALARM Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 15: Config Button

    Manual Stop Manual Stop + DD Timed Run (m:s) 2:00 Timed Run + DD To do this, use the ◄ ►▲▼arrow buttons. DAR (s/s) 30/60 PI (m/m) 1.0/10 Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 16 The I-LIM symbol is displayed. I-LIM FIXED VOLTAGE 1000 V 500 V 2500 V Input voltage 10 V AC Frequency 50.0 Hz Input current 24.6 pA Date 2011.05.23 Time 10:31 Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 17 200MW < R < 16,6GW 10MW* < R < 1 GW *10MW because Imax = 1mA at 10,000V. The fixed current range remains active until the instrument is switched off. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 18 The ALARM symbol is displayed if the alarm is enabled. ALARM BURN FIXED VOLTAGE 1000 V 500 V 2500 V Input voltage 10 V AC Frequency 50.0 Hz Input current 24.6 nA Date 2011.05.23 Time 10:31 Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 19: During The Measurement

    In the case of a variable test voltage, the voltage set is also displayed and can be modified during the measurement. RANGE BURN 502 MΩ 2305 V Set 2300V 4.61 µA Elapsed Time 00:00:12 CONFIG I-Range Fix 2 Disturbance Level Adjustable Voltage 2300 V Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 20: Display Button

    4 minutes (which is the smallest possible) these lines are the same and represent one sample. Depending on the range of the left vertical scale it may be possible to move the vertical scale and the corresponding curve with the ▲▼ arrow buttons. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 21 This curve is useful primarily in the case of a measurement in V-RAMP mode. There is no cursor and it is not possible to zoom on this curve. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 22: Filter Button

    AC voltage superposed on the measurement. The FILTER button is active before and during the measurement (but is not available in graph mode). Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 23: Help Button

    , : select test voltage - lower - higher HELP A long press on the HELP button (>2s) allows setting of the display contrast and the backlighting (see § 3.1). Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 24: Instrument Configuration

    The lead compensation is only possible if the internal firmware version allows it and only with the red lead that is shipped with the instrument (k22 is marked at each end). For the most recent firmware, visit www.aemc.com. To select the lead compensation, press the FILTER button and hold it down while turning the switch from OFF to SET-UP.

  • Page 25: Configuring The Instrument (Set-Up)

    3.4 Configuring the Instrument (SET-UP) The Models 6550/6555 are factory configured so that they can be used without modifying the parameters. For most measurements, simply choose the test voltage and press the START/STOP button. Most parameters can be configured using the CONFIG button or in the SET-UP function.

  • Page 26: Resetting The Default Parameters

    Test type: Burning ■ Maximum output current: 5mA ■ Maximum output voltage: 10kV (6550), 15kV (6555) ■ Adjustable test voltages: 50V, 800V and 7000V ■ Ramp and step test voltages return to their original values, as do all alarm thresholds ■...

  • Page 27: Measurement Parameters

    500V fixed voltage, and at a maximum of 750V for all other fixed voltages. The adjustment range is from 40 to 10,000V (15,000V for Model 6555). Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 28: Adjustment Of The Test Voltages

    If either a step voltage or a step duration is set to zero, the step will be set to zero as a whole and will be skipped during the test. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 29: Adjustment Of The Alarm Thresholds

    It is adjustable between two values that depend on the test voltage. Press the DISPLAY button again to return to the first SET-UP screen. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 30: Operation

    The charging current then depends on the test voltage and on the resistance measured. If the power necessary for the measurement approaches 10W, the batteries are not charged. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 31: Using The Leads

    The insulation measurements cannot be started if there is an excessively high external voltage (>0.4VN where VN is the test voltage, with a maximum of 1000V ) on the terminals. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 32: Insulation Measurements

    The instrument measures the external voltage present on the terminals. It can make the measurement if the peak voltage is less than 0.4VN or 1000V maximum. Beyond this value, it does not make the measurement. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 33: Using A Fixed Voltage

    Otherwise, use the ◄► buttons to go to the voltage value, then use the ▲▼ buttons to adjust the value of the test voltage. The adjustment is in 10V steps up to 1000V, and in 100V steps above 1000V. Keeping the buttons pressed will speed up the adjustment. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 34: Using A Voltage Ramp

    Test Run Time 00:00:30 Step Input voltage -0.1 V DC Voltage V RAMP Frequency 0.2 Hz V VAR Input current 55.7 nA V FIXED Date 2011.05.24 Time 15:31 Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 35: Using A Stepped Voltage

    Step function 2: 500 to 5000V ■ Step function 3: 1000 to 10,000V The voltage and the duration of each step can be programmed using the CONFIG button (see § 2.4.3). Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 36: Connection

    This reduces the influence of the operator’s hands on the test leads and gives a more stable measurement. BLACK BLUE BLACK Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 37: Before The Insulation Measurement

    The ALARM symbol in the status line will blink and (if the buzzer is switched on) an audible beep will sound if the result of the measurement is below the programmed threshold. ALARM Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 38: During The Insulation Measurement

    It is possible to view the available result values by pressing the DISPLAY button. E-BRK 995 MΩ 531 nA 528 V Set: 500 V Elapsed Time 00:01:12 DAR (30s/60s) 1.00 PI (1.0m/10m) Capacitance DISPLAY Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 39 To display the voltage, press the DISPLAY button. In case of an external voltage >25V the instrument automatically switches to the screen with the test description and small input voltage indication. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 40: After The Insulation Measurement

    Voltage coefficient in ppm/V voltage and the resistance of Capacitance < 1 nF Capacitance of the device tested the lowest test voltage ∆V: difference between the highest and lowest test voltage Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 41: Error Indications

    The times of 1 and 10 minutes for the calculation of the PI and the times of 30 seconds and 1 minute for the calculation of the DAR can be modified in the CONFIG menu or the SET-UP function (see § 3.4), to adapt to particular applications. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 42: Dar/Pi Measurement

    Press the CONFIG button. CONFIG Total Run Time Manual Stop Manual Stop + DD Timed Run (m:s) 2:00 Timed Run + DD DAR (s/s) 30/60 PI (m/m) 1.0/10 CONFIG Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 43: Interpretation Of The Results

    1.2µF 1µF 0.5µF 0.2µF 5000V 1µF 1µF 1µF 0.6µF 0.4µF 0.3µF 0.1µF 10,000V 0.5µF 0.5µF 0.5µF 0.3µF 0.2µF 0.1µF 0µF 15,000V 0.3µF 0.3µF 0.3µF 0.2µF 0.1µF 0.1µF 0µF Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 44: Dd (Dielectric Discharge Index)

    The minimum setting is 0:01 but a duration below 30 seconds is hardly useful because acquiring a stable resistance result requires some time. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 45: Interpretation Of Results

    4.7.2 Interpretation of Results Value of DD Quality insulation 7 < DD Very poor 4 < DD < 7 poor 2 < DD < 4 Borderline DD < 2 Good Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 46: Capacitance Measurement

    The measurement of the residual current flowing in the device tested is made automatically as soon as the con- nection to the device tested is made, then during and after the insulation measurement. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 47: Memory Function

    ■ The sampling time can be set to Auto (automatic), in which case the instrument itself determines the samples necessary for the plotting of the measurements while using the least possible memory. If the Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 48 The number of measurements that can be recorded depends on the number of samples stored for each mea- surement. The instrument store 256 measurements and 80,000 samples associated with these measurements. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 49: Reading Recorded Values

    Press the DISPLAY button to see the rest of the recorded information (depending on the currently used func- tion). symbol indicates that the samples have been recorded, you can press the GRAPH button to view When the the graph. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 50 23 °C Humidity Probe Temperature 23 °C Rc Reference Temperature 40 °C ∆T for R/2 10 °C R measured 5.00 GΩ Rc at 40 °C 1.529 GΩ TEMP TEMP Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 51: Erasing The Memory

    NOTE: Deleting a single record doesn’t delete it physically - only the link to it is deleted. The record number can be used again for storing another measurement. Physical clearing of data is only accomplished when clearing the whole memory. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 52: Erasing All Records

    If the recorded data is corrupted, the only way possible to reuse the memory is to erase it completely (see § 5.3.2). The instrument reports this problem by displaying “CLEAR MEMORY”. ■ All other errors require returning the instrument for repair (see § 8.5). Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 53: Dataview ® Software

    If installing onto a Vista based computer the User Account Control dialog box will be displayed. Select the Allow option to proceed. 2. A Set-up window, similar to the following, will appear. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 54 8. In the Select Features window that appears, select only the instrument’s control panel that you want to install, then click Next. The PDF-XChange option must be selected to be able to generate PDF reports from within DataView. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 55 12. Next, the Installation Wizard Complete window will appear. Click on Finish. 13. A Question dialog box appears next. Click Yes to read the procedure for connecting the instrument to the USB port on the computer. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 56: Connecting The Instrument To The Pc

    The Megohmmeter Control Panel window will appear. For complete information on using the Megohmmeter with DataView, refer to the Help Menu within the Megohmmeter Control Panel in DataView. Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 57: Specifications

    DIN VDE 0413 Part 1/09.80) ■ Nominal output voltage: 500V, 1000V, 2500V, 5000V, 10,000V, and 15,000V for the Model 6555 or adjustable from 40 to 10,000V and 15,000V for the Model 6555 Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 58 15,000 (6555 only) Specified measurement range 4.00 to 25.00TW 4.00 to 29.00TW Resolution 10GW 10GW Inherent accuracy ±(20% + 10cts) ±(20% + 10cts) Operating error ±(30% + 15cts) Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 59 ■ Typical curves of the test voltages at the instrument terminals as a function of the load resistance 500V Range 10 k 100 k 10 M 100 M 10 G 100 G Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 60 100 M 10 G 100 G 10 T 2500V Range 3000 2500 2000 1500 1000 10 k 100 k 10 M 100 M 10 G 100 G 10 T Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 61 10 G 100 G 10 T 10,000V Range 12000 10000 8000 6000 4000 2000 10 k 100 k 10 M 100 M 10 G 100 G 10 T Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 62: Dar, Pi, And Dd

    This measurement is made following the discharging of the element tested, after each measurement Measurement Range 0.005 to 9.999µF 10.00 to 49.99µF Resolution 10nF Accuracy* ± (10% + 1 ct) ± 10% *specified only for a test voltage ≥500V Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 63: Power Supply

    In this case, before using it again, you should fully recharge the battery (at least 10 hours). Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 64: Optimize Battery Charging

    “Defect” message on the instrument screen. The instrument must then be sent in for repair (see § 8.5). Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 65: Environmental Specifications

    ■ Voltage measurement category: 1000V CAT IV ■ Maximum voltage with respect to earth: 1000Vrms CAT IV ■ Maximum voltage between guard terminal G and the - terminal: 30Vrms Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 66: Electromagnetic Compatibility

    (1): The DAR, PI and DD terms and the capacitance and leakage current measurements are included in the quantity “MW”. 7.8 Inherent and Operating Accuracy The Megohmmeter Models 6550 and 6555 comply with standard IEC-61557, which requires that the operating accuracy, called B, be less than 30%.

  • Page 67: Maintenance

    8. MAINTENANCE 8.1 Recharging the Battery Refer § 4.1 for full details on recharging the battery. The Megohmmeter Model 6550/6555 is equipped with a rechargeable NiMH battery. This technology offers several advantages: ■ Long battery charge life for a limited volume and weight ■...

  • Page 68: Replacing The Fuse

    Wipe with a damp cloth and then dry with a dry cloth ■ Do not splash water directly on the clamp ■ Do not use alcohol, solvents or hydrocarbons Megohmmeter Models 6550/6555 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

  • Page 69: Limited Warranty

    8.7 Limited Warranty The Models 6550/6555 are warranted to the owner for a period of one year from the date of original purchase against defects in manufacture. This limited warranty is given by AEMC Instruments, not by the distributor ®...
  • Page 70 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 71 ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...
  • Page 72 10/15 99-MAN 100374 v9 Chauvin Arnoux , Inc. d.b.a. AEMC Instruments ® ® ShopAEMC www. 1.877.766.5412 Shop for AEMC products online at:...

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