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ACL 800 Operation Manual
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ACL 800 Operation Manual

Megohmmeter
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ACL 800 Operation Manual
ACL 800 MEGOHMMETER
Meter is warranted for one year from the date of purchase on parts and labor.
Calibration is recommended every twelve months.
NOTE: THIS MANUAL IS NOT TO BE
ACL Incorporated
th
840 W. 49
Place
Chicago, IL 60609 USA
OPERATION MANUAL
SEPARATED FROM METER!
Page 1 of 13
Rev. 04/19/18 MKB
Tel: 847-981-9212
info@aclstaticide.com
www.aclstaticide.com

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Summary of Contents for ACL 800

  • Page 1 ACL 800 Operation Manual Rev. 04/19/18 MKB ACL 800 MEGOHMMETER OPERATION MANUAL Meter is warranted for one year from the date of purchase on parts and labor. Calibration is recommended every twelve months. NOTE: THIS MANUAL IS NOT TO BE...
  • Page 2 Rev. 04/19/18 MKB ACL 800 Megohmmeter The ACL 800 Megohmmeter kit measures surface resistivity, resistance, temperature and humidity. It is designed to test conductive, dissipative, and insulative surfaces for electrical resistivity/resistance according to EOS/ESD, CECC, ANSI, ASTM and UL test procedures.

  • Page 3: Test Voltage

    1,000,000 meg ohms The test value is indicated on the LCD display. Unlike meters with LEDS that indicate only the decade within which the measured value falls, the ACL 800 will show the actual value. 27 meg ohms (2.7 x 10 ) is displayed as 2.7 e07 ohms/sq...
  • Page 4 The ESDA standardized the test procedures so that lower voltages could be used within specific ranges. The ACL 800 meter uses a 9-volt battery. Some meters with 9-volt batteries do not give the accuracy needed to perform the test, especially at values higher than 10 .

  • Page 5: Measuring With Internal Electrodes

    Calibration is recommended annually. The ACL 800 meter comes with a NIST certificate when ordered. After one year the meters can be sent back to ACL Inc. for a new NIST certificate for a lab fee or it can be sent to a certified calibration lab (see page 11 for instructions).
  • Page 6   By connecting these probes to the ACL 800’s sockets it is possible to measure Point to Point (RTT) Resistance, Surface to Ground (RTG), and Volume Resistance. Using these probes will allow compliancy with various standards including ANSI/ESDA S4.1 for Worksurface –...
  • Page 7 ACL 800 Operation Manual Rev. 04/19/18 MKB Measuring Resistance Point to Point (RTT) RTT measurements can be used for the evaluation of floors, chairs, carts, work surfaces and other ESD-controlled materials and products. Procedures vary regarding sample preparation, probe preparation and spacing of the 5-lb probes. Select and read the correct test procedure or standard for the desired measurement.
  • Page 8 Each RTT test utilizes the 5-lb probes placed three feet apart (36 inches). Connect the test leads to the meter. Attach a 5-lb probe to the end of each lead and place three feet apart as indicated above. Press and hold the “TEST” button on the ACL 800 meter until a value is displayed.
  • Page 9 ACL 800 Operation Manual Rev. 04/19/18 MKB (RTG) EASURING ESISTANCE TO ROUND Resistance to ground measurements can be used for the evaluation of floors, chairs, carts, work surfaces and other ESD controlled materials and products. Keeping a record of test results for temperature, humidity and electrical properties will provide a reference.
  • Page 10 ACL 800 Operation Manual Rev. 04/19/18 MKB N EXAMPLE OF MEASURING ON DISSIPATIVE TABLE MATS A. To test RTG for a workstation, connect the first lead to the meter and to a 5-lb probe. Place the probe on the work surface. Connect the second lead from the meter directly to a ground source.
  • Page 11 ACL 800 Operation Manual Rev. 04/19/18 MKB To Ground Connect alligator clip to snap for RTGP ACL Incorporated Tel: 847-981-9212 840 W. 49 Place Page 11 of 13 info@aclstaticide.com Chicago, IL 60609 USA www.aclstaticide.com...
  • Page 12 ACL 800 Operation Manual Rev. 04/19/18 MKB EASURING OLUME ESISTANCE Volume Resistance measures the electrical path through a material. Connect one end of each of the banana test leads into the sockets of the meter. Connect the other end of the test coil cords into the 5-lb probes.

  • Page 13: Calibration Instructions

    Rev. 04/19/18 MKB CALIBRATION INSTRUCTIONS The ACL 800 meter is calibrated to be most accurate in the most widely-used range (10 The lab calibrates meters between 30 - 40% RH at 65 - 73°F. If you are using the meter in atmospheres different than above, it is strongly advised to recalibrate the meter to your conditions.