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Megohmmeter Models 6528/6529

3. OPERATION

3.1 Battery Installation

Place the batteries in the instrument as follows:

1. Use a Phillips screwdriver to remove the battery cover

screw on the back of the instrument (see illustration
on right).

2. Install the batteries, respecting polarity. Requires six

AA (LR6) batteries.

3. Replace the battery cover and tighten the screw.

3.2 Instrument Check

We recommend performing the following steps
when using the instrument for the first time, or
after a long period without use.

1. Start the instrument. Ensure all display segments are displayed.
2. Perform a Continuity check (§3.6). Ensure the LCD displays >42.0

Ω

with no input connected.

Then short circuit both terminals, the display should show

0Ω

3. Turn the rotary switch to

, check a known voltage (e.g., a battery) and ensure that the measured

voltage is correct.

4. Disconnect from the voltage source, and press the

TEST

button. The instrument’s battery voltage

is displayed. Ensure this is above 6.6V.

5. Turn the rotary switch to an insulation voltage setting (§3.7), and check a known resistor that

is within the measurement range for the test voltage selected.

6. When all the steps above produce expected results, you can start using the instrument.

3.3 Power Supply and Battery Life

The power supply is six 1.5V alkaline batteries (type AA or LR6). Nominal voltage is 6.6 to 9.6V. Below
6.6V the instrument will not turn on.

■

Battery life for insulation measurements:

Average battery life for insulation measurement

(according to IEC61557-2 clause 6.7) is 2000 measurements with new batteries at room
temperature (5s ON, 25s OFF).

■

Battery life for voltage and resistance measurements:

Average battery life for voltage

and resistance with new batteries at room temperature @ 400kΩ is > 300h.

■

Battery life for continuity checking:

Average battery life for continuity checking (according

to IEC 61557-4 clause 6.6) is > 6000 measurements with new batteries at room temperature
(5s ON, 25s OFF). For shorter continuity tests (0.8s ON, 10s OFF) battery life is > 40,000 tests.

■

Battery voltage:

To check the battery voltage, press and hold the

TEST

button with the switch

set to the

position.

Содержание 2126.54

Страница 1: ...Megohmmeter Models 6528 and 6529 ENGLISH User Manual www aemc com True Megohmmeter ...

Страница 2: ...s is without warranty of any kind express implied or otherwise Chauvin Arnoux Inc has made every reasonable effort to ensure that this documentation is accurate but does not warrant the accuracy or completeness of the text graphics or other information contained in this documentation Chauvin Arnoux Inc shall not be liable for any damages special indirect incidental or inconsequential including but...

Страница 3: ...g the instrument to our repair and calibration facility for a nominal charge The recommended calibration interval for this instrument is 12 months and begins on the date of receipt by the customer For recalibration please use our calibration services Refer to our repair and calibration section at www aemc com Serial _______________________________ Catalog 2126 54 2126 55 Model 6528 6529 Please fil...

Страница 4: ...cted to the source of the building s low voltage network installation Example Measurement on equipment installed upstream of the main fuse or building installation cut off switch CAT III Test and measurement circuits connected to parts of the building s low voltage network installation Example Measurement on distribution switchboards including secondary meters the circuit breakers cabling includin...

Страница 5: ... damaged incomplete or incorrectly closed Before each use check the condition of the cable insulation the instrument and its accessories All elements on which the insulation is damaged even partially must be put out of service for repair or disposed as waste Use cables and accessories for voltage according to IEC 61010 031 and measurement categories at least equal to those of the instrument If not...

Страница 6: ...d Indicators 12 3 OPERATION 14 3 1 Battery Installation 14 3 2 Instrument Check 14 3 3 Power Supply and Battery Life 14 3 4 Stand Door or Magnetic Mount 15 3 5 AC DC or DC Voltage 15 3 6 Continuity 16 3 7 Resistance 17 3 8 Insulation Resistance Tests 18 4 MAINTENANCE 24 4 1 Cleaning 24 4 2 200mA Fuse Test 24 4 3 Battery and Fuse Replacement 24 5 GENERAL SPECIFICATIONS 25 6 ELECTRICAL SPECIFICATION...

Страница 7: ...larm Timer PI DAR Cat 2126 55 Both models include soft carrying case set of 2 5 ft color coded silicone leads 2 color coded alligator clips 2 color coded test probes red black Rated 1000V CAT IV UL V2 6 1 5V AA batteries and a user manual 1 of the following Megohmmeter Models Model 6528 Cat 2126 54 or Model 6529 Cat 2126 55 Lead set of 2 5 ft silicone color coded red black with 4mm straight right ...

Страница 8: ...15A UL V2 Cat 5000 99 Clip safety alligator red Rated 1000V CAT IV 15A UL V2 Cat 5100 00 For accessories and replacement parts visit our store at www aemc com 2 OVERVIEW 2 1 Description The Megohmmeter Models 6528 and 6529 are portable measuring instruments with digital displays They are powered by batteries These instruments can check the safety of electrical insulation For example they can be us...

Страница 9: ...esistance value providing a result in kΩ MΩ or GΩ This resistance characterizes the quality of the insulation and provides a good indication of the risks of leakage currents 2 3 Megohmmeter Models 6528 6529 Front View Ω 0 SET UP OFF 1000V 500V MΩ 700 V max Ω FUSED 600 V CAT IV V kΩ Ω MEGOHMMETER 250V MODEL 6528 HOLD Ω P 0 V kΩ GΩ MΩ V mA AC DC HOLD NOISE REL Ω 0 SET UP OFF 250V 100V M 700 V max Ω ...

Страница 10: ...form lead compensation for continuity checks 3 6 1 SET UP SET UP long 2s press configure settings 2 7 short press 2s select type of insulation test PI DAR Model 6529 3 8 Navigate the configuration menu 2 7 2 5 Instrument Display 1 Indicates the measurement is on hold 2 Indicates the Differential Mode Resistance DMR or relative mode function is active in a resistance measurement 3 Indicates the res...

Страница 11: ... the LCD Pressing the key cycles through parameters and the key selects the setting for the displayed option Available parameters Insulation test mode buzzer enabled disabled 2 8 1st press on P Permanent mode enabled disabled 2 9 2nd press on Backlighting enabled disabled 2 10 3rd press on Firmware version number display only 2 11 4th press on Return to the first screen Switch the instrument off b...

Страница 12: ...off is deactivated and the P appears on the LCD indicating the Permanent mode is active 2 10 Backlight BL To help prolong battery life by default the instrument s Backlighting mode is deactivated or auto off of backight is activated and after 2 minutes the backlighting is switched off If you want the backlighting to stay on at all times 1 Turn the rotary switch to OFF 2 Press and hold down the SET...

Страница 13: ... 9 99GΩ Continuity 1Ω 1Ω or 2Ω Resistance DMR 5 from 0 1 to 3999 9 To program a threshold set the switch to the desired function long press the SET UP key for 2s and release it when the beep sounds The instrument displays the current threshold with the first digit blinking Use the key to set the digit and the key to go to the next digit When all 4 digits have been set choose the unit number Confir...

Страница 14: ... above 6 6V 5 Turn the rotary switch to an insulation voltage setting 3 7 and check a known resistor that is within the measurement range for the test voltage selected 6 When all the steps above produce expected results you can start using the instrument 3 3 Power Supply and Battery Life The power supply is six 1 5V alkaline batteries type AA or LR6 Nominal voltage is 6 6 to 9 6V Below 6 6V the in...

Страница 15: ...e risk when measuring an unknown voltage Measure AC DC voltage first Be sure to respect the rated voltage and category If the measurement departs from the measurement range the instrument displays OL 1 Turn the rotary switch to the V position 2 Toggle between AC DC or DC voltage measurement by pressing the key 3 Connect the red test lead to the terminal and the black test lead to the COM terminal ...

Страница 16: ...is displays the threshold setting Press to change this then press TEST to exit SET UP mode 3 Connect the red test lead to the terminal and the black test lead to the COM terminal 4 To compensate leads see 3 6 1 5 Check continuity by connecting the leads to the desired point of the circuit If resistance is under the threshold the buzzer will sound and will display on the LCD designating a short cir...

Страница 17: ...he symbol is displayed to warn the user that the voltage on the terminals is hazardous and the instrument emits a pulsed beep If there is a voltage of more than 0 4V on the object to be tested the instrument displays 3 7 Resistance To perform a resistance test the instrument outputs a DC voltage and measures the current across the circuit under test The instrument then calculates the resistance To...

Страница 18: ...ed along with the and symbols If the measurement exceeds the threshold the symbol is displayed If the measurement is below the threshold the instrument emits a continuous beep the backlight turns red and the symbol is displayed 3 7 3 Resistance Mode Error Indicators If there is a voltage of more than 0 4V on the object to be tested the instrument displays If the object to be tested is at a hazardo...

Страница 19: ...Choices are 250 V 500 V 1000 V available on both the Models 6528 and 6529 and 50 V and 100 V available on Model 6529 only The test voltage to select depends on the operating voltage of the device to be tested 2 To run an unlocked test skip this step and continue with step 3 To lock the TEST button press the SET UP key once The icon appears on the LCD 3 To set an Alarm 2 12 4 Use the leads to conne...

Страница 20: ...nsulation health It can identify the accumulation of contaminants as well as any physical damage to the insulation itself The test involves applying a positive charge to a motor s conductors and a negative charge to the motor frame therefore polarizing the insulation This test essentially measures the change over time Healthy clean insulation will charge over time resulting in the decrease of indu...

Страница 21: ...indicate a countdown timer showing the remaining time to complete the test The primary display 2 5 will show a real time value of the insulation resistance measurement in progress 6 At the conclusion of the test the secondary display will show PI and the elapsed test time 7 The primary display will show the PI ratio 3 8 2 2 Programming the Polarization Index T1 and T2 Test Time Points 1 Select the...

Страница 22: ... of the secondary display will indicate a countdown timer showing the remaining time to complete the test The bottom primary display will show a real time value of the insulation resistance measurement in progress At the conclusion of the test the secondary display will show DAR and the elapsed test time The bottom primary display will show the DAR ratio 3 8 2 4 Programming DAR the T1 and T2 test ...

Страница 23: ...d to 40 minutes in the duration mode 6 Press the TEST button to lock in the new time duration for a timed test 7 In the Timed Test mode simply long press the TEST button to start the timed measurement Test will stop automatically at the end of the programmed duration 3 8 2 6 Insulation Resistance Mode Error Indicators The instrument displays the AC DC voltage If it is 30V the symbol is displayed t...

Страница 24: ...eplacement To avoid false readings which could lead to possible electric shock or personal injury replace the batteries with LR6 batteries as soon as the battery indicator appears To prevent damage or injury install ONLY replacement fuses with the specified amperage voltage and interrupt ratings Disconnect test leads before removing the battery cover Replace the batteries and fuse as follows 1 Usi...

Страница 25: ...ectromagnetic compatibility EN 61326 1 EN 61326 2 2 Safety 600V CAT IV IEC 61010 2 034 IEC 61010 031 L I S T E D US C Battery type 6x AA NEDA 15A IEC LR6 Battery life See 3 3 Size H x W x L 8 54 x 3 54 x 2 44 217 x 90 x 62mm Vibration 1mm 25Hz as per IEC61557 Weight 1 68 lbs 760g Conformity CE IEC61557 2 IEC61557 4 IEC61557 10 Mechanical conformity IP40 with test leads connected EN60529 IP20 witho...

Страница 26: ... rejection ratio 60dB Overload protection 700VRMS or DC Frequency 30 to 440Hz 6 3 Ground Bond Continuity Measurement Range Resolution Uncertainty of reading Digits Continuity 40Ω 0 01Ω 1 2 3cts Resistance of test leads 0 01Ω compensated Overload fuse protection by fuse 700VRMS Open circuit voltage 6V and 9V Short circuit current 0 02 2 00Ω 200mA 2 01 39 99Ω between 100 200mA 6 4 Ground Bond Resist...

Страница 27: ...0MΩ 0 001MΩ 1mA 50kΩ 3 10cts 40MΩ 3 60 to 39 99MΩ 0 01MΩ 400MΩ 36 0 to 399 9MΩ 0 1MΩ 100V 0 to 25 4MΩ 0 020 to 4 000MΩ 0 001MΩ 1mA 100kΩ 40MΩ 3 60 to 39 99MΩ 0 01MΩ 400MΩ 36 0 to 399 9MΩ 0 1MΩ 250V 0 to 25 4MΩ 0 050 to 3 999MΩ 0 001MΩ 1mA 250kΩ 1 5 10cts 40MΩ 3 60 to 39 99MΩ 0 01MΩ 400MΩ 36 0 to 399 9MΩ 0 1MΩ 4GΩ 360 to 3 999MΩ 1MΩ 4 10cts 500V 0 to 25 4MΩ 0 100 to 3 999MΩ 0 001MΩ 1mA 500kΩ 1 5 10...

Страница 28: ...standard calibration or a calibration traceable to N I S T Includes calibration certificate plus recorded calibration data Ship To Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 800 945 2362 Ext 360 603 749 6434 Ext 360 Fax 603 742 2346 or 603 749 6309 E mail repair aemc com Or contact your authorized distributor Costs for repair standard calibration and calibr...

Страница 29: ...uipment without the explicit permission of the manufacturer s technical staff Work done on the device by a person not approved by the manufacturer Adaptation to a particular application not anticipated in the definition of the equipment or not indicated in this user s manual Damage caused by shocks falls or floods Full warranty coverage and product registration is available on our website at www a...

Страница 30: ...30 Megohmmeter Models 6528 6529 NOTES ...

Страница 31: ...31 Megohmmeter Models 6528 6529 NOTES ...

Страница 32: ...10 20 99 MAN 100491 v1 Chauvin Arnoux Inc d b a AEMC Instruments 15 Faraday Drive Dover NH 03820 USA Phone 603 749 6434 Fax 603 742 2346 www aemc com ...

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