Greenlee DM-810A, DM-820A, DM-830A, DML-430A User guide [ml]

INSTRUCTION MANUAL

English ....................1–28

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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.

Description

The Greenlee DM-810A, DM-820A, DM-830A, and DML-430A Digital Multimeters are hand-held testing devices with the following measurement capabilities: AC and DC voltage, AC and DC current, frequency, resistance, capacitance, and duty cycle of logic level signals. They also check diodes and verify continuity. All meters feature true RMS AC measurements, a relative zero mode, data hold mode, and an intelligent automatic power off. An optional optically isolated computer interface with software facilitates the recording of readings from the meter to a computer.

Other specialized capabilities and functions common to all meters include:

•Dual display shows two measurements, such as AC voltage and frequency, at the same time.

•Backlighted LCD for reading in dim conditions.

•Beep-Jack™ audible warning alerts the user with a beep and an error message on the LCD if the

test lead is plugged into the mA/µA or A input terminal while the selector switch is not in the mA/µA or A position.

•Bar graph display, which responds more quickly than the numeric display — useful for detecting faulty contacts, potentiometer clicks, and signal spikes.

The DM-820A, DM-830A, and DML-430A multimeters have the following additional capabilities: temperature (K-type thermocouples only); conductance; a crest function, which captures voltage or current signal peaks; and a recording function, which stores the maximum, minimum, and difference (maximum-minimum) input readings. The DM-820A and DM-830A record function can also calculate the average reading. These two models also have non-contact and single-probe voltage detection.

The DM-830A and the DML-430A multimeters have an AutoCheck™ function for automatic selection of AC voltage, DC voltage, and resistance with low input impedance to mask “ghost” voltages. Both multimeters feature a 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.

Safety

Safety is essential in the use and maintenance of Greenlee tools and equipment. This instruction manual and any markings on the tool provide information for avoiding hazards and unsafe practices related to the use of this tool. Observe all of the safety information provided.

Purpose of This Manual

This instruction manual is intended to familiarize all personnel with the safe operation and maintenance procedures for the Greenlee DM-810A, DM-820A, DM-830A, and DML-430A Digital Multimeters.

Keep this manual available to all personnel. Replacement manuals are available upon request at no charge at www.greenlee.com.

Do not discard this product or throw away!

For recycling information, go to www.greenlee.com.

DM-810A • DM-820A • DM-830A • DML-430A

Important Safety Information

SAFETY ALERT SYMBOL

This symbol is used to call your attention to hazards or unsafe practices which could result in an injury or property damage. The signal word, deﬁned below, indicates the severity of the hazard. The message after the signal word provides information for preventing or avoiding the hazard.

Immediate hazards which, if not avoided, WILL result in severe injury or death.

Hazards which, if not avoided, COULD result in severe injury or death.

Hazards or unsafe practices which, if not avoided, MAY result in injury or property damage.

Read and understand this material before operating or servicing this equipment. Failure to understand how to safely operate this tool could result in an accident causing serious injury or death.

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.

® Registered: The color green for electrical test instruments is a registered trademark of Greenlee Textron Inc. AutoCheck and Beep-Jack are trademarks of BTC. Microsoft and Windows are registered trademarks of Microsoft Corporation.

KEEP THIS MANUAL

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.

•Use test leads or accessories that are appropriate for the application. Refer to the category and

voltage rating of the test lead or accessory.

•Inspect the test leads or accessory before use. They must be clean and dry, and the insulation must be in good condition.

•Use this unit for the manufacturer’s intended purpose only, as described in this manual. Any other use can impair the protection provided by the unit.

Failure to observe these warnings could result in severe injury or death.

Electric shock hazard:

•Do not apply more than the rated voltage between any two input terminals, or between any input terminal and earth ground.

•Do not contact the test lead tips or any uninsulated portion of the accessory.

Failure to observe these warnings could result in severe injury or death.

Electric shock hazard:

•Do not operate with the case open.

•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. When fuse replacement is necessary,

refer to “Speciﬁcations” for the correct type, size, and capacity. Using any other type of fuse will void the overvoltage protection rating of the unit.

Failure to observe this warning could result in severe injury or death.

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. Incorrect settings or connections can result in a blown fuse.

•Using this unit near equipment that generates electromagnetic interference can result in unstable or inaccurate readings.

Failure to observe these warnings could result in severe injury or death.

Electric shock hazard: Do not change the measurement function while the test leads are connected to a component or

circuit. Failure to observe this precaution may result in injury and can damage the unit.

Electric shock hazard: Do not use the tester to measure voltages in circuits that could be damaged or activated by the

AutoCheck™ mode’s low input impedance (approximately 3.0 kΩ and 150 pF). Failure to observe this precaution may result in injury and can damage the unit.

Electric shock hazard:

•Do not attempt to repair this unit. It contains no user-serviceable parts.

•Do not expose the unit to extremes in temperature or high humidity. Refer to “Speciﬁcations.”

Failure to observe these precautions may result in injury and can damage 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. COM Negative, common, or ground input terminal for all measurements

7. ΩV Positive input terminal for all measurements except current and

temperature measurement T2

4 5

7 6

DM-810A • DM-820A • DM-830A • DML-430A

Display Icons

Primary Display

8. Bar graph element

9. – Polarity indicator for bar graph

10. Bar graph scale

11. LoZ AutoCheck™ mode; low input

impedance is active.

12. ∆ Relative zero function is enabled.

13. – Polarity indicator

14. 8.8.8.8 Numeric display

15. T1-T2 T1, T2, or T1-T2 function is enabled.

16. AC measurement is selected.

17. DC measurement is selected.

18. AVG AVG function is enabled;

recorded value is displayed.

19. MAX- Max-Min function is enabled; MIN recorded value is displayed.

20. Record function is enabled.

21. Crest capture function is enabled.

22. Hold function is selected.

23. Automatic ranging is enabled.

24. Continuity

25. Low battery

26. } Overload symbol (bar graph display)

27. 10 Bar graph maximum range indicator

28. dBm Decibel

29. m Milli (10-3)

30. V Volt

31. A Ampere

32. n Nano (10-9)

20-22

19 18

16-17

15 14 13

12 11

8-9

57-58

2524

54-56 53

-6

33. µ Micro (10

)

34. S Siemen

35. F Farad

36. D% Duty cycle function is enabled.

37. k Kilo (103)

38. Hz Hertz (frequency in

cycles per second)

39. M Mega (106)

40. Ω Ohm

Secondary Display

41. M Mega (106)

42. k Kilo (103)

43. Ω Ohm

44. Hz Hertz (frequency in

cycles per second)

45. m Milli (10-3)

46. µ Micro (10-6)

47. A Ampere

48. V Volt

49. D% Duty cycle function is enabled.

50. n Nano (10-9)

51. S Siemen

52. F Farad

53. 8.8.8.8 Numeric display

54. DC measurement is selected.

55. AC measurement is selected.

56. – Polarity indicator

57. T1 T1 function is enabled.

58. T2 T2 function is enabled.

49-52 45-48 41-44

39-40 37-38

36 32-35

28-31 27

Using the Features

All Models

•Dual Digital Display: These meters can display two measurements, such as AC voltage and

frequency, at the same time. Display combinations are shown using large symbols to indicate the measurement on the primary display and small, raised symbols to indicate the measurement on the secondary display. For example, “VACHz” means the primary display contains the AC voltage measurement, and the secondary display contains the frequency measurement.

•SELECT: Press momentarily to toggle between functions, or to toggle between AC and DC when

measuring current and millivolts.

•RANGE: Press once to enter the manual ranging mode. The icon will disappear from the

display. Press repeatedly to step through the ranges. Press and hold to return to the automatic ranging mode.

Note: When using MAX-MIN, HOLD, or ∆ mode, pressing RANGE will cause the meter to exit that mode.

•∆: Finds the difference between two measurements. While taking a measurement, press ∆ to set the

display to zero. The ∆ icon will appear on the display. Take the second measurement. The value on the display will be the difference between the two measurements. Press again to exit this mode.

•HOLD : Press momentarily to hold the present value on the display. Press again to exit this mode.

This feature does not affect the bar graph.

• : Press and hold until backlight illuminates. Press and hold again to turn off. The backlight

automatically turns off after approximately 30 seconds to extend battery life.

•Automatic Power Off: To extend battery life, the meter will shut itself off after approximately

30minutes of inactivity. To restore power, press either the SELECT, RANGE, ∆, or HOLD button momentarily, or turn the selector to OFF and then back on. To disable this feature, press SELECT while turning the meter on.

•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

every 1 ms in this mode. and “MAX” will appear on the display. The LCD will display the maximum crest value. Press repeatedly to select the desired display: maximum, minimum, or maximum– minimum crest value. Press and hold to exit this mode.

The automatic power off feature is disabled when using this function. Note: When using the CREST function, pressing RANGE will cause the meter to exit this mode.

•REC : Press momentarily to activate the MAX/MIN/AVG* recording mode. The input value is

measured every 50 ms in this mode. “MAX MIN” and “AVG”* will appear on the display. The LCD will display the actual input value. The meter will beep whenever the maximum or minimum is updated. Press repeatedly to select the deired display: maximum, minimum, maximum–minimum, average*, or actual input. Press and hold to exit this mode.

*Average function is not available on DML-430A.

The automatic power off feature is disabled when using this function.

DM-810A • DM-820A • DM-830A • DML-430A

Using the Features (cont’d)

Note: When using the REC function, pressing RANGE will cause the meter to exit this mode.

DM-820A and DM-830A Only

•EF: Set the meter to any current or voltage function. Press and hold until the meter displays “EF” to

detect the electric ﬁeld that surrounds current-carrying conductors. Signal strength is displayed as a series of dashes on the display.

•Use the tester’s built-in antenna (located along the top, near the LCD) for tracing live circuits or

locating a break in a wire.

•For more precision, such as distinguishing between current-carrying and ground wires, connect a

test lead to the + input terminal and use it as a probe for direct contact veriﬁcation of a signal.

DM-830A and DML-430A Only

•Low Impedance AutoCheck™ Mode: In this mode, the meter automatically selects the proper

measurement based on the input.

•If there is no input, “Auto” appears on the display.

•If the voltage is above approximately 1.5 volt DC or 3 volt AC up to the rated 1000 volts, voltage

is displayed.

• If both AC and DC voltages are present, the larger voltage is displayed.

• If no voltage is present and there is resistance less than 60 MΩ, resistance is displayed. If the

measured resistance is below the continuity threshold (between 20 Ω and 300 Ω), then the continuity tone will sound.

This mode features low input impedance to mask stray or “ghost” voltage pickup. The input impedance is approximately 3 kΩ at low voltage, increasing to approximately 460 kΩ at 1000 V.

The symbol “LoZ” indicates that the meter is in a low impedance mode. Do not use the AutoCheck™ mode on circuits that could be damaged or activated by such low input impedance. Instead use the selector to select the high impedance AC or DC volt modes to minimize loading for such circuits.

Range-Lock and Function Feature: While in the AutoCheck™ mode, press the SELECT button momentarily to lock the displayed function. Press the RANGE button momentarily to lock the displayed measurement range.

Energized Circuit Alert: If the resistance mode is locked in the AutoCheck™ mode and the leads are placed across an energized circuit, the meter will emit an audible warning tone.

•T1-T2: Press momentarily to select the desired temperature display: T1, T2, T1T2, or T1-T2T2.

•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.

AC Measurement

AC measurements are usually displayed as RMS (root mean square) values. The RMS value is equal to the value of a DC waveform, which would deliver the same power if it replaced the time-varying waveform. Two AC measurement methods are average-responding RMS calibrated and true RMS-reading.

The average-responding RMS calibrated method takes the average value of the input signal after full wave rectiﬁcation, multiplies it by 1.11, and displays the result. This method is accurate if the input signal is a pure sine wave.

The true RMS-reading method uses internal circuitry to read the true RMS value. This method is accurate, within the speciﬁed crest factor limitations, whether the input signal is a pure sine wave, square wave, triangle wave, half wave, or signal with harmonics. 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.

The Waveforms and Crest Factors table shows some typical AC signals and their RMS values.

Waveforms and Crest Factors

Waveform

RMS Value 100 100 100 100

Average Value 90 100 87 64

Crest Factor*

(x)

* The crest factor is the ratio of the peak value to the RMS value; it is represented by the Greek

letter x.

1.414 1 1.73 2

AC + DC True RMS

AC + DC true RMS calculates both of the AC and DC components given by the expression

when making measurements and responds accurately to the total effective RMS value regardless of the waveform. Distorted waveforms with the presence of DC components and harmonics may cause:

•Transformers, generators, and motors to overheat

•Circuit breakers to trip prematurely

•Fuses to blow

•Neutrals to overheat due to the triplen harmonics present on the neutral

•Bus bars and electrical panels to vibrate

The DM-830A and DML-430A are AC + DC true RMS meters.

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.

When in the recording mode, the meter takes a measurement, assigns that measurement to the next available memory location, and repeats the process. This continues until the memory is full or until the user manually stops the recording process.

The time interval between measurements (sampling rate) is selected by the user. A shorter time interval will provide information about short-term ﬂuctuations, whereas a longer time interval will provide information about general trends. The factory setting is the shortest time interval.

The time intervals are as follows: 0.05 seconds (0.1s for single T1/T2, Diode, and Ohms/nS; 0.5s for Hz and Duty Cycle; 2s for Capacitance and dual screen T1/T2 and T1-T2), 0.1s, 0.5s, 1s, 2s, 3s, 4s, 5s, 10s, 15s, 30s, 60s,120s (two minutes), 180s (three minutes), 300s (5 minutes), and 600s (10 minutes). The minimum total measurement time for the DML-430A is 72 minutes and 30 seconds; the maximum is nearly 20 months.

When the sampling rate is 30s or greater, the meter will go to standby mode between measurements to extend battery life. When the meter is in the standby mode, press SELECT momentarily to view the display.

To set the measurement interval:

Press for 1 second or more and the meter will display the current measurement interval in seconds. Press p or q to change the measurement interval. Press for 1 second or more to save the new setting.

To start recording data:

Press the button for 1 second or more to start the data logging mode. "LEFt" displays followed by the number of remaining memory in the logger. The number in the second-

ary display is the most signiﬁcant digit, and the numbers in the primary display are the least signiﬁcant digits of the remaining memory points.

Momentarily press the Yes button to conﬁrm a new logging session without erasing the formerly logged ones (up to 999 sessions can be stored without overwriting previous sessions). Press the Erase button momentarily to erase all of the sessions and start from the ﬁrst session with full memory.

"Strt" will display on the primary screen and then the logger will start recording. When a sampling speed of 30s or longer is selected, the meter will enter a power down mode after 4.5 minutes. Press the SELECT button momentarily to resume real time display.

Options —during recording:

•Press the SELECT button momentarily to toggle the display mode between measuring data and

logged data item number. The secondary display contains the most signiﬁcant number and the primary display contains the least signiﬁcant numbers of the logged data item number.

•Press the button momentarily to pause/resume logging.

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 and annunciators.

Options —while reviewing data:

•Press p or q momentarily to step through the data.

•Press SELECT to toggle between the data and the logged data item number.

•Press and hold p or q to quickly scan through the data. Tone indicates that the ﬁrst or last mea-

surement is displayed.

•Press p and q momentarily to select another session page.

•Press p and q for 1 second for fast scrolling, and hold either p or q to quickly scroll through the

pages. Tone indicates that the ﬁrst or last session page is displayed.

•Press p or q momentarily while holding down the HOLD button to scan through the turning points

(the alternating high and low points) or the data set. “MAX” or “MIN” will ﬂash to indicate a high or low point.

To exit Recall mode, rotate the selector to a different setting or turn the meter off.

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® Windows® operating system. It also allows retrieval of data stored in the internal memory of DML-430A.

Installing the Software

1. Insert the CD into the computer’s CDROM drive.

2. The installation program should launch automatically. If it does not, double click on the CD icon in “My Computer.”

3. The installation program menu will appear. Click on “Software Installation.”

4. Type your meter’s catalog number (for example, “DM-820A”) in the dialog box.

5. Complete the remaining dialog boxes according to user preferences.

Connecting the Optical USB Interface Cable

1. Align the key of the connector with the key slot on the meter.

2. Twist the connector clockwise until it locks into place.

3. Connect the cable to a USB port of the PC.

Key slot on back of meter

Operation

Electric shock hazard: Contact with live circuits could result in severe injury or death.

1. Refer to the Settings Table. Set the selector to the proper setting, press SELECT (when instructed to do so), and connect the test leads to the meter.

2. Refer to “Typical Measurements” for speciﬁc measurement instructions.

3. Test the unit on a known functioning circuit or component.

•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.

Settings Table

The meter stores the last used function of each selector position in its nonvolatile memory. If this is not the correct function when you turn the selector, press SELECT until the desired icon appears.

The dual display options are shown along with the icons. In the table, “~VHz” indicates that “~” and “V” appear in the primary display, and “Hz” appears in the secondary display. This combination shows the AC voltage measurement in the primary display and frequency in the secondary display.

To measure this

characteristic …

Set the selector to

this symbol…

All Models

Voltage—AC (1000 V max)

Voltage—DC (1000 V max)

Voltage—DC

(600 mV max)

Voltage—AC

(600 mV max)

This table continues on the next page.

Press SELECT until

these icons appear on

the display …

VHz or Hz

V or V

mV or mV

mVHz or Hz

~mV

Connect

the red

lead to…

ΩV

Connect the

black lead

to …

COM

Operation (cont’d)

Settings Table (cont’d)

DM-810A • DM-820A • DM-830A • DML-430A

To measure this

characteristic …

Set the selector to

this symbol…

Press SELECT until

these icons appear on

the display …

Connect

the red

lead to…

Connect the

All Models (cont’d)

*Frequency—Logic Level

Frequency—Line Level

Voltage or Current

Set for voltage or

current according

to this table.

% Duty Cycle D% D%

Resistance Ω Ω

Continuity

**Capacitance F

Diode

Current—AC/DC

(10 A max)

Current—AC/DC

(600 mA max)

Current—AC/DC

(6000 µA max)

µA

Any display option that

includes Hz

V and diod

A, A~A

or A

mA, mA or mA

µA, µA

or µA

~mA

~µA

ΩV

— —

ΩV

mAµA COM

A COM

DM-820A, DM-830A, and DML-430A Only

Conductance nS nS

ΩV

Temperature (DM-820A) Temp °C or °F See Note 1 —

Dual Temperature

(DM-830A and DML-430A)

T1T2

°C or °F (press RANGE

for display options T1,

or T1-T2T2)

T2, T1

See Notes

1 and 2

DM-820A and DM-830A Only

†EF (electric ﬁeld

detection)

Any voltage or

current function;

press and hold EF

for 1 s or more

ΩV (contact

mode only)

This table continues on the next page.

black lead

to …

COM

—

Operation (cont’d)

Settings Table (cont’d)

To measure this

characteristic …

Set the selector to

this symbol…

Press SELECT until these icons appear

on the display …

Connect

the red

lead to…

Connect the

black lead

to …

DM-830A and DML-430A Only

Voltage—AC + DC

TrueRMS (1000 V max)

Voltage—AC + DC

TrueRMS (600 mV max)

Current—AC + DC

TrueRMS (10 A max)

Current—AC + DC

TrueRMS (600 mA max)

Current—AC + DC

TrueRMS (6000 µA max)

†Auto select AC volts,

DC volts, resistance, and

continuity (low impedance

measurement)

µA

LoZ and

AutoCheck

using Feature Lock)

~mV

~mA

~µA

µA

(LoZ with V,

V or Ω when

ΩV

A COM

mAµA COM

ΩV

COM

DM-830A Only

Reference

dBm (0 dB = 1 mW in reference impedance)

dBm

impedance and dBm

for 1 s, then dBm

(press RANGE to

ΩV

COM

change reference

impedance)

* Logic level frequency has a ﬁxed sensitivity and is for digital signals. Refer to “Accuracy”. ** Discharge capacitor before measurement. Refer to “Typical Measurements” regarding

polarized capacitors. † Refer to “Using the Features” for a detailed description of this mode. Note 1: T1+ connects to ΩV and T1– connects to COM. Note 2: T2+ connects to mAµA and T2– connects to A.

Typical Measurements

Voltage Measurement

Current Measurement

DM-810A • DM-820A • DM-830A • DML-430A

Typical Measurements

Resistance Measurement

Continuity Check

Capacitance Measurement Diode Measurement

Reverse Bias

Forward Bias

Typical Measurements

Temperature

Electric Field Detection (EF)

DM-810A • DM-820A • DM-830A • DML-430A

Refer to “Using the Features” for complete instructions.

A–Non-contact OR

B–Contact

Accuracy

Refer to the “Speciﬁcations” section for operating conditions and temperature coefﬁcient. Accuracy is speciﬁed as follows: ± (a percentage of the reading + a ﬁxed amount) at 23 °C ± 5 °C

(73.4 °F ± 9 °F), 0% to 75% relative humidity. True RMS Readings: Voltage and current accuracies are speciﬁed from 10% to 100% of the range

unless otherwise speciﬁed. Frequency must be within the speciﬁed bandwidth for non-sinusoidal waveforms. 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)

Range

60.00 mV

600.0 mV

9.999 V

99.99 V

999.9 V ± (0.5% + 0.3 V) ± (2.0% + 0.4 V) ± (2.0% + 0.4 V) ± (3% + 0.4V) Unspeciﬁed

(1)

Speciﬁed from 30% to 100% of range

Input Impedance: 10 MΩ, 50 pF nominal (80 pF nominal for 600 mV range)

DC Voltage

Input Impedance: 10 MΩ, 50 pF nominal (80 pF nominal for 600 mV range)

Accuracy at

50 to 60 Hz

± (0.5% +

0.03mV)

± (0.5% +

0.3mV)

± (0.5% +

0.003V)

± (± (0.5% +

0.03 V)

Range Accuracy

60.00 mV ± (0.12% + 0.02 mV)

600.0 mV ± (0.06% + 0.2 mV)

9.999 V ± (0.08% + 0.002 V)

99.99 V ± (0.08% + 0.02 V)

999.9 V ± (0.08% + 0.2 V)

Accuracy at

40 to 500 Hz

± (0.8% +

0.04mV)

± (0.8% +

0.4mV)

± (1.0% +

0.004V)

± (1.0% +

0.04V)

Accuracy at

500Hz to 1 kHz

± (2.0% +

0.03mV)

± (2.0% +

0.3mV)

± (1.0% +

0.004V)

± (1.0% +

0.04V)

Accuracy at

1to 3 kHz

± (2% +

0.03mV) ± (2% +

0.3mV) ± (3% +

0.004V) ± (3% +

0.04V)

Accuracy at

3 to 20 kHz

± (2% +

0.03mV) ± (2% +

0.3mV)

3 dB

(1)

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 ± (0.1% + 0.03 kΩ)

600.0 kΩ ± (0.1% + 0.3 kΩ)

6.000 MΩ ± (0.4% + 0.003 MΩ)

60.00 MΩ ± (1.5% + 0.05 MΩ)

99.99 nS ± (0.8% + 0.1 nS) 1.2 VDC

Continuity

Tone Threshold: Between 20 Ω and 300 Ω Response Time: < 100 µs

Capacitance

Range Accuracy

(1)

60.00 nF ± (0.8% + 0.03 nF)

600.0 nF ± (0.8% + 0.3 nF)

6.000 µF ± (1.0% + 0.003 µF)

60.00 µF ± (2.0% + 0.03 µF)

(2)

600.0 µF

(2)

6.000 mF

(2)

25.00 mF

(1)

Accuracies with ﬁlm capacitor or better

(2)

In manual ranging mode, measurements are not speciﬁed below 50.0 µF, 0.54 mF, and 5.4 mF for

± (3.5% + 0.5 µF) ± (5.0% + 0.005 mF) ± (6.5% + 0.05 mF)

600.0 µF, 6.000 mF and 25.00 mF ranges, respectively

1.2 VDC

Diode Test

Measuring Range: 2.000 V Test Current (typical): 0.4 mA Open Circuit Voltage: < 3.5 VDC Accuracy: 1.0% + 0.001 V

Accuracy (cont’d)

AC Current (AC + DC Current on DM-830A and DML-430A Only)

Range

600.0 µA ± (0.6% + 0.3 µA) ± (0.8% + 0.4 µA) 6000 µA ± (0.6% + 3 µA) ± (0.8% + 4 µA)

60.00 mA ± (0.6% + 0.03 mA) ± (0.8% + 0.04 mA)

600.0 mA ± (1.0% + 0.3 mA) ± (1.0% + 0.4 mA)

6.000 A ± (0.8% + 0.006 A) ± (0.8% + 0.006 A)

10.00 A ± (0.8% + 0.06 A) ± (0.8% + 0.06 A)

10 A continuous, 20 A for 30 sec. maximum with 5 minute cool down.

DC Current

Range Accuracy at 50 to 60 Hz

600.0 µA ± (0.2% + 0.4 µA) 6000 µA ± (0.2% + 4 µA)

60.00 mA ± (0.2% + 0.04 mA)

600.0 mA ± (0.2% + 0.4 mA)

6.000 A ± (0.2% + 0.004 A

10.00 A ± (0.2% + 0.04 A)

10 A continuous, 15 A for 30 sec. maximum (20 A for DML-430A) with 5 minute cool down.

Line Level Frequency

Accuracy at

50 to 60 Hz

Function Sensitivity (SineRMS) Range

60.00 mV 40 mV 15.00 Hz to 50.00 kHz

600.0 mV 60 mV 15.00 Hz to 50.00 kHz

9.999 V 2.5 V 15.00 Hz to 10.00 kHz

99.99 V 25 V 15.00 Hz to 10.00 kHz

999.9 V 100 V 15.00 Hz to 10.00 kHz

600.0 µA 45 µA 15.00 Hz to 3.000 kHz 6000 µA 600 µA 15.00 Hz to 3.000 kHz

60.00 mA 40 mA 15.00 Hz to 3.000 kHz

600.0 mA 60 mA 15.00 Hz to 3.000 kHz

6.000 A 4 A 15.00 Hz to 3.000 kHz

10.00 A 6 A 15.00 Hz to 3.000 kHz

Accuracy at

40 to 1 kHz

Burden Voltage (typical)

(all frequency ranges)

0.08 mV/µA

2.1 mV/mA

0.02 V/A

Burden Voltage (typical)

(all frequency ranges)

0.08 mV/µA

2.1 mV/mA

0.02 V/A

Accuracy (cont’d)

Accuracy for Frequency Ranges

Display Range Accuracy

99.99 Hz ± (0.04% + 0.04 Hz)

999.9 Hz ± ( 0.04% + 0.4 Hz)

9.999 kHz ± ( 0.04% + 0.004 kHz)

DM-810A • DM-820A • DM-830A • DML-430A

Frequency—Logic Level

Range: 5.00 Hz to 1.000 MHz Accuracy: ± (0.004% + 4 digits) Sensitivity: 2.5 Vp square wave

% Duty Cycle

Range: 0.00% to 100.0 % Accuracy: ± (3 digits/kHz + 2 digits) 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 ± (0.3% + 5 °F)

Type-K thermocouple range and accuracy not included

Crest Capture (Voltage and Current) for Crests > 1.0 ms in duration

Accuracy: Speciﬁed accuracy + 250 digits

Record Mode for changes > 100 ms in duration

Accuracy: Speciﬁed accuracy + 10 digits

DM-820A and DM-830A Only

Electric Field Detection

Typical Voltage Bar Graph Indication

10 V to 36 V – 23 V to 83 V – – 59 V to 165 V – – – 124 V to 330 V – – – – More than 250 V – – – – –

(1)

Bar graph indication and tone are proportional to signal strength Detection Antenna: Top end of the meter Probe-Contact EF-Detection: For more precise indication of live wires, use the ΩV test probe

for direct contact measurements

(1)

Frequency Range

50 Hz to 60 Hz

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;

increases with voltage to approximately 500 kΩ at 1000 V Auto Check Trigger Level: > +1.5 VDC and < -1.0 VDC typical

AC Voltage AutoCheck™ Mode

Range (50/60 Hz) Accuracy

9.999 V ± (1.0% + 0.004 V)

99.99 V ± (1.0% + 0.04 V)

999.9 V ± (1.0% + 0.4 V)

Input Impedance: Initial 3.0 kΩ // 150 pF typical at voltages up to 50 V;

increases with voltage to approximately 460 kΩ at 1000 V Auto Check Trigger Level: > 1.0 V (50/60 Hz) typical

Resistance AutoCheck™ Mode

Range Accuracy

600.0 Ω ± (0.5% + 0.4 Ω)

6.000 kΩ ± (0.5% + 0.004 kΩ)

60.00 kΩ ± (0.5% + 0.04 kΩ)

600.0 kΩ ± (0.5% + 0.4 kΩ)

6.000 MΩ ± (0.8% + 0.003 MΩ)

60.00 MΩ ± (2.0% + 0.05 MΩ)

Open Circuit Voltage: < 1.2 VDC (< 1.0 VDC for 60 MΩ range)

dBm (DM-830A Only)

At 600 Ω: -11.76 dBm to 54.25 dBm Accuracy: ±0.25 dB + 2d (at 40 Hz to 20 kHz) Input Impedance: 10 MΩ, 50 pF nominal Selectable reference impedance of 4, 8, 16, 32, 50, 75, 93, 110, 125, 135, 150, 200, 250, 300, 500,

600, 800, 900, 1000, 1200 Ω

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

below 18 °C or above 28 °C Automatic Power Off: After 30 minutes of inactivity.

To disable this feature, press SELECT while turning the meter on. Noise Rejection*:

Normal Mode Rejection Ratio > 60 dB at 50 Hz and 60 Hz when measuring DCV

Common Mode Rejection Ratio > 60 dB from 0 Hz to 60 Hz when measuring ACV

Common Mode Rejection Ratio > 120 dB at 0 Hz, 50 Hz and 60 Hz when measuring DCV Operating Conditions:

0 °C to 45 °C (32 °F to 113 °F), 0% to 80% relative humidity (non-condensing)

Altitude: 2000 m (6500') maximum

Indoor use only

Pollution Degree: 2 Storage Conditions: –20 °C to 60 °C (–4 °F to 140 °F)

0% to 80% relative humidity (non-condensing)

Remove battery. Battery: 9-Volt (NEDA 1604, JIS 006P or IEC 6F22) Overload Protections:

DM-810A, DM-820A, and DM-830A:

Volts: 1050 V RMS AC/DC, 1450 V peak AC/DC Millivolts: 600 VDC and VAC RMS A: 11 A / 1000 V fuse, interrupting rating 20 kA, F fuse, 13/32" x 1-1/2" µA and mA: 0.44 A/1000 V fuse, interrupting rating 10 kA, F fuse, 13/32" x 1-1/2" Other Functions: 600 VDC and VAC RMS

DML-430A:

Volts: 1050 V RMS AC/DC, 1450 V peak AC/DC Millivolts: 1050 V RMS AC/DC, 1450 V peak AC/DC A: 11 A/1000 V fuse, interrupting rating 20 kA, F fuse, 13/32" x 1-1/2" µA and mA: 0.44 A/1000 V fuse, interrupting rating 10 kA, F fuse, 13/32" x 1-3/8" Other Functions: 1050 V RMS AC/DC, 1450 V peak AC/DC

Speciﬁcations (cont’d)

Safety: Double insulation per IEC61010-1 2nd Ed., EN61010-1 2nd Ed., UL61010-1 2nd Ed.

and CAN/CSA C22.2 No. 61010.1-04 to Category IV 1000 VAC and VDC

All Terminals: Category IV 1000 VAC and VDC

* Noise rejection is the ability to reject unwanted signals, or noise.

• Normal mode voltages are AC signals that can cause inaccurate DC measurements. NMRR (Normal Mode Rejection Ratio) is a measure of the ability to ﬁlter out these signals.

• Common mode voltages are signals present at the COM and + input terminals, with respect to ground, that can cause digit rattle or offset in voltage measurements. CMRR (Common Mode Rejection Ratio) is a measure of the ability to ﬁlter out these signals.

Measurement Categories

These deﬁnitions were derived from the international safety standard for insulation coordination as it applies to measurement, control, and laboratory equipment. These measurement categories are explained in more detail by the International Electrotechnical Commission; refer to either of their publications: IEC 61010-1 or IEC 60664.

Measurement Category I

Signal level. Electronic and telecommunication equipment, or parts thereof. Some examples include transient-protected electronic circuits inside photocopiers and modems.

Measurement Category II

Local level. Appliances, portable equipment, and the circuits they are plugged into. Some examples include light ﬁxtures, televisions, and long branch circuits.

Measurement Category III

Distribution level. Permanently installed machines and the circuits they are hard-wired to. Some examples include conveyor systems and the main circuit breaker panels of a building’s electrical system.

Measurement Category IV

Primary supply level. Overhead lines and other cable systems. Some examples include cables, meters, transformers, and other exterior equipment owned by the power utility.

Statement of Conformity

Greenlee Textron Inc. is certiﬁed in accordance with ISO 9001 (2000) 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).

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. When fuse replacement is necessary,

refer to “Speciﬁcations” for the correct type, size, and capacity. Using any other type of fuse will void the overvoltage protection rating of the unit.

Failure to observe this warning could result in severe injury or death.

Replacing the Battery

1. Disconnect the unit from the circuit. Turn the unit OFF.

2. Remove the two screws from the battery access door and remove it.

3. Replace the battery making sure to observe the polarity.

Replacing the Fuses

1. Disconnect the unit from the circuit. Turn the unit OFF.

2. Remove the two screws from the battery access door and remove it.

3. Unscrew the two screws inside the battery compartment and the two screws on the back case.

4. Remove the back cover and replace the fuses.

5. Align the two halves of the unit and the rubber gaskets.

6. Be sure the selector is in the original position so that it lines up properly with the internal switch.

7. Replace the cover and screws.

Cleaning and Storage

Periodically wipe the case with a damp cloth and mild detergent; do not use abrasives or solvents.

If the meter will not to be used for periods longer than 60 days, remove the battery and store it separately.

Lifetime Limited Warranty

Greenlee Textron Inc. warrants to the original purchaser of these goods for use that these products will be free from defects in workmanship and material for their useful life, excepting normal wear and abuse. This warranty is subject to the same terms and conditions contained in Greenlee Textron Inc.’s standard one-year limited warranty.

For all Test Instrument repairs, contact Customer Service at 800-435-0786 and request a Return Authorization.

For items not covered under warranty (such as items dropped, abused, etc.), a repair cost quote is available upon request.

Note: Prior to returning any test instrument, please check replaceable batteries or make sure the battery is at full charge.

MANUEL D’INSTRUCTIONS

DM-810A • DM-820A

DM-830A • DML-430A

Multimètres numériques

Lire attentivement et bien comprendre toutes les instructions et les informations sur la sécurité de ce manuel avant d’utiliser ou de procéder à l’entretien de cet outil.

Enregistrez votre produit en ligne, www.greenlee.com

Description

Les multimètres numériques DM-810A, DM-820A, DM-830A et DML-430A de Greenlee sont des appareils de contrôle portables offrant les capacités de mesure suivantes: tension c.a. et c.c., intensité c.a. et c.c., fréquence, résistance, capacité et coefﬁcient d’utilisation de signaux logiques. Ils permettent également la vériﬁcation de diodes et les contrôles de continuité. Tous les multimètres offrent des mesures de valeur efﬁcace vraie en c.a., un mode de zéro relatif, un mode de rétention des données et une mise hors tension automatique intelligente. Une interface informatique à isolation optique avec logiciel, proposée en option, permet l’enregistrement des mesures de l’appareil sur un ordinateur.

Les autres fonctions et capacités spéciales communes à tous les modèles comprennent:

•Double afﬁcheur présentant deux mesures, tension c.a. et fréquence par exemple, simultanément.

•Afﬁchage à cristaux liquides rétroéclairé pour les mesures dans la pénombre.

•Avertisseur Beep-Jack™ produisant un bip et un message d’erreur à l’écran si le ﬁl d’essai est

branché dans la borne d’entrée mA/µA ou A alors que le sélecteur n’est pas en position mA/µA ou A.

•Afﬁchage à barres graphiques, qui répond plus rapidement que l’afﬁchage numérique — utile pour

détecter les contacts défectueux, les déclics de potentiomètres et les pointes de signal.

Les multimètres DM-820A, DM-830A et DML-430A présentent les fonctions supplémentaires suivantes: température (thermocouples de type K seulement); conductance; fonction de crête, qui saisit les maxima des signaux de tension ou d’intensité; et fonction d’enregistrement, qui met en mémoire les mesures maximale et minimale et l’écart (maximum-minimum). La fonction d’enregistrement des modèles DM-820A et DM-830A calcule également la mesure moyenne. Ces deux modèles ont également détection de tension sans contact et avec sonde unique.

Les multimètres DM-830A et DML-430A ont une fonction AutoCheck™ pour la sélection automatique de tension c.a., tension c.c. et résistance avec faible impédance d’entrée pour masquer les tensions «fantômes». Les deux multimètres comportent une fonction T1-T2, qui permet de mesurer et d’afﬁcher deux températures et de calculer la différence. Ils offrent également une capacité de mesure de valeur efﬁcace vraie c.a. + c.c. Le DM-830A comporte une fonction dBm à impédances de référence sélectionnables. Le DML-430A a la capacité d’enregistrer des données.

Sécurité

Lors de l’utilisation et de l’entretien des outils et des équipements de Greenlee, votre sécurité est une priorité. Ce manuel d’instructions et toute étiquette sur l’outil fournit des informations permettant d’éviter des dangers ou des manipulations dangereuses liées à l’utilisation de cet outil. Suivre toutes les consignes de sécurité indiquées.

Dessein de ce manuel

Ce manuel d’instructions a pour objet de familiariser tout le personnel avec les procédures préconisées pour une utilisation et un entretien sans danger des multimètres numériques DM-810A, DM-820A, DM-830A et DML-430A de Greenlee.

Mettre ce manuel à la disposition de tous les employés. On peut obtenir des exemplaires gratuits sur simple demande sur le site Web www.greenlee.com.

Ne pas se débarrasser de ce produit ou le jeter !

Pour des informations sur le recyclage, visiter www.greenlee.com.

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