Greenlee DM-830A Instruction Manual
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Greenlee DM-830A Instruction Manual

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INSTRUCTION MANUAL
DM-810A • DM-820A
DM-830A • DML-430A
Digital Multimeters
Read and understand all of the instructions and safety information in this
manual before operating or servicing this tool.
52047799 REV 4
© 2016 Greenlee Textron Inc.
6/16
GlobalTestSupply
www.
.com
Find Quality Products Online at:
sales@GlobalTestSupply.com

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  • Page 1 DM-830A • DML-430A Digital Multimeters Read and understand all of the instructions and safety information in this manual before operating or servicing this tool. 52047799 REV 4 © 2016 Greenlee Textron Inc. 6/16 GlobalTestSupply www. .com Find Quality Products Online at:...

  • Page 2: Purpose Of This Manual

    T1-T2 function, which can measure and display two temperatures and calculate the difference. They also feature AC + DC true RMS measurement capability. The DM-830A has a dBm function with selectable reference impedances. The DML-430A has the capability to store data.

  • Page 3: Important Safety Information

    Electric shock hazard: Contact with live circuits could result in severe injury or death. All specifications are nominal and may change as design improvements occur. Greenlee Textron Inc. shall not be liable for damages resulting from misapplication or misuse of its products.
  • Page 4 Important Safety Information Electric shock and fire hazard: • Do not expose this unit to rain or moisture. • Do not use the unit if it is wet or damaged. • Only use the test leads provided with the equipment or UL Listed Probe Assembly with same rating or better.
  • Page 5 DM-810A • DM-820A • DM-830A • DML-430A Important Safety Information Electric shock hazard: • Unless measuring voltage, current, or frequency, shut off and lock out power. Make sure that all capacitors are discharged. Voltage must not be present. • Set the selector and connect the test leads so that they correspond to the intended measurement.

  • Page 6: Symbols On The Unit

    Identification 1. Display LCD and bar graph 2. Feature Buttons Refer to explanations under “Using the Features” 3. Selector Selects a function or turns power OFF 4. A Positive input terminal for high current measurements 5. mA µA Positive input terminal for low current measurements 6.

  • Page 7: Display Icons

    DM-810A • DM-820A • DM-830A • DML-430A Display Icons Primary Display 33. µ Micro (10 34. S Bar graph element Siemen 9. – 35. F Farad Polarity indicator for bar graph 36. D% Bar graph scale Duty cycle function is enabled.

  • Page 8: Using The Features

    • Disabling the Beeper: Hold down the RANGE button while turning the meter on to temporarily disable the beeper feature. Turn the selector to OFF and then back on to enable the beeper. DM-820A, DM-830A, and DML-430A Only • CREST : Press momentarily to activate the crest recording mode.The input value is measured...
  • Page 9 • T1-T2: Press momentarily to select the desired temperature display: T1, T2, T1 , or T1-T2 • dBm-Ω (DM-830A only): In dBm mode, press momentarily to select the reference impedance. Refer to the “Specifications” section for the available values. • Blue Feature Buttons (DML-430A only): Refer to the “Data Storage Function” section for an explanation of these features.
  • Page 10 The ability to read true RMS provides much more measurement versatility. The Greenlee DM-810A, DM-820A, DM-830A, and DML-430A are true RMS meters.
  • Page 11 DM-810A • DM-820A • DM-830A • DML-430A Data Storage Function (DML-430A only) The DML-430A has data storage and retrieval capability. It can store up to 87,000 measurements in single display mode or 43,000 measurements in dual display mode. The data can later be reviewed on the multimeter’s display, or downloaded the data to a computer using the optional interface DMSC-9U.
  • Page 12 Data Storage Function (DML-430A only) (cont’d) To stop recording data: While the meter is logging data, press the button for more than 1 second. To review stored data: Press p and q momentarily to enter Recall mode. The last session number displays for 0.5 seconds and then displays the last logged data item as well the annunciators.

  • Page 13: Installing The Software

    DM-810A • DM-820A • DM-830A • DML-430A Using the Optional Software These meters are compatible with Greenlee DMSC-9U, an optically isolated computer interface cable and software. It allows measurements to be logged to a personal computer using the Microsoft ®...

  • Page 14: Operation

    • If the unit does not function as expected on a known functioning circuit, replace the battery and/ or fuses. • If the unit still does not function as expected, call Greenlee for technical assistance at 800-435-0786. 4. Take the reading from the circuit or component to be tested.
  • Page 15 DM-810A • DM-820A • DM-830A • DML-430A Operation (cont’d) Settings Table (cont’d) Press SELECT until Connect Connect the To measure this Set the selector to these icons appear on the red black lead characteristic … this symbol … the display …...
  • Page 16 … this symbol … on the display … lead to … to … DM-830A and DML-430A Only Voltage—AC + DC ΩV True RMS (1000 V max) Voltage—AC + DC ΩV True RMS (600 mV max) Current—AC + DC True RMS (10 A max)

  • Page 17: Typical Measurements

    DM-810A • DM-820A • DM-830A • DML-430A Typical Measurements Voltage Measurement Current Measurement GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 18 Typical Measurements Resistance Measurement Continuity Check Capacitance Measurement Diode Measurement Reverse Bias Forward Bias GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 19 DM-810A • DM-820A • DM-830A • DML-430A Typical Measurements Temperature Electric Field Detection (EF) Refer to “Using the Features” for complete instructions. A–Non-contact B–Contact GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
  • Page 20 Crest factors are as follows: • Crest factor < 3:1 at full scale • Crest factor < 6:1 at half scale All Models AC Voltage (AC + DC Voltage on DM-830A and DML-430A Only) Accuracy at Accuracy at Accuracy at...
  • Page 21 DM-810A • DM-820A • DM-830A • DML-430A Accuracy (cont’d) Resistance and Conductance (Conductance on DM-820A, DM-830A, and DML-430A Only) Range Accuracy Typical Open Circuit Voltage 600.0 Ω ± (0.1% + 0.3 Ω) 6.000 kΩ ± (0.1% + 0.003 kΩ) 60.00 kΩ...
  • Page 22 Accuracy (cont’d) AC Current (AC + DC Current on DM-830A and DML-430A Only) Accuracy at Accuracy at Burden Voltage (typical) Range 50 to 60 Hz 40 to 1 kHz (all frequency ranges) 600.0 µA ± (0.6% + 0.3 µA) ± (0.8% + 0.4 µA) 0.08 mV/µA...
  • Page 23 Accuracy: ± (3 digits/kHz + 2 digits) Sensitivity: 2.5 Vp square wave Input Frequency: 5 Hz to 10 kHz DM-820A, DM-830A, and DML-430A Only Temperature (DM-820A) and Dual Temperature (DM-830A and DML-430A) Range Accuracy -50 °C to 1000 °C ± (0.3% + 2 °C) -58 °F to 1832 °F...
  • Page 24 Accuracy (cont’d) DM-830A and DML-430A Only DC Voltage AutoCheck™ Mode Range Accuracy 9.999 V ± (0.5% + 0.003 V) 99.99 V ± (0.5% + 0.03 V) 999.9 V ± (0.5% + 0.3 V) Input Impedance: Initial 3.0 kΩ // 165 pF typical at voltages up to 50 V;...

  • Page 25: Specifications

    DM-810A • DM-820A • DM-830A • DML-430A Specifications Display: 9999 counts: ACV, DCV, Hz, and nS 6000 counts: mV, µA, mA, A, ohm, and capacitance Polarity: Automatic Sampling Rate: Numeric Display: 5 per second 41-Segment Bar Graph Display: 60 per second Temperature Coefficient: Nominal 0.15 x (specified accuracy) per °C...

  • Page 26: Measurement Categories

    Statement of Conformity Greenlee Textron Inc. is certified in accordance with ISO 9001:2008 for our Quality Management Systems. The instrument enclosed has been checked and/or calibrated using equipment that is traceable to the National Institute for Standards and Technology (NIST).

  • Page 27: Maintenance

    DM-810A • DM-820A • DM-830A • DML-430A Maintenance Electric shock hazard: Before opening the case, remove the test leads from the circuit and shut off the unit. Failure to observe these warnings could result in severe injury or death. Electric shock hazard: The fuses are an integral part of the overvoltage protection.

This manual is also suitable for:

Dm-820aDml-430aDm-810a

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