Lutron Electronics DM-9027T User Manual

DIGITAL
MULTIMETER

4 1/2 digits, True RMS
Model : DM-9027T

Caution Symbol

Caution :

* Risk of electric shock !

Caution :
* Do not apply the overload

voltage, current to the input
terminal !

* Remove test leads before open

the battery cover !

* Cleaning - Only use the dry

cloth to clean the plastic case !

Environment Conditions

* Installation categories II .
* Pollution Degree 2.
* Altitude up to 2000 meters.
* Indoor use.
* Relative humidity 80% max.

TABLE OF CONTENTS

1. FEATURES....................................................1

2. SPECIFICATIONS..........................................1

2-1 General Specifications..............................1

2-2 Electrical Specifications............................

.

2

3. FRONT PANEL DESCRIPTION........................

.

5

4. MEASURING PROCEDURE.............................

.

6

4-1 DCV, ACV, DCA, ACA, OHM,

Continuity beeper, Diode, hFE..................6

4-2 Data hold................................................6

5. MEASURING CONSIDERATIONS....................

.

7

6. MAINTENANCE

6-1 Replacement of Battery..........................8

6-2 Replacement of Fuse.............................

.

8

6-3 Cleanin

g

................................................9

7. Optional Accessories.....................................9

7-1 Holster, HS-01....................................... 9

7-2 Other optional accessories &

adapters..............................................10

8.THE ADDRESS OF THE AFTER SERVICE

CENTER........................................................12

1. FEATURES

* Design meet IEC 1010 safety requirement.
* 4 1/2 digits DMM, high precision.
* Large LCD display with annunciators.
* LCD display, easy read-out.
* True RMS measuring reading for ACV & ACA function.
* With data hold function
* Compact & strong housing case.
* Optional Holster case.
* Full range optional adapters for Temperature, Light,
DC/AC CLAMP current, Humidity, RPM, Pressure
measurement.

2. SPECIFICATIONS

2-1 General Specifications

Display 15 mm(0.5") LCD, w/ annunciators,

4 1/2 digits Max. reading 19999

Measurement 28 ranges, DCV, ACV, DCA, ACA,

ohms, hFE, DIODE, Continuity
Beeper.

Polarity Automatic Switching,

'-' indicates negative polarity.
Zero Adjustment Automatic adjustment.
Over-input Indicator "1 " mark indication.
Sampling Time Approx. 0.4 second.
Operating Temp. 0 蚓 to 50 蚓 (32 蚌 to 122 蚌).
Operating Humidity Less than 80% RH.
Power Supply 006 P DC 9V battery.
Power Consumption Approx. DC 1.6 mA.
Dimensions 185 x 87 x 39 mm

(6.7 X 3.5 X 1.4 inch)
Weight 320 g/0.71 LB

1

Fuse The meter build in one fuse for

current range(200u/2m/20m/200mA)

protection, its spec. :

Rating - 500 mA

Size - 5 mm dia. x 20 mm

Accessories Red and Black Test Leads ..... 1 pair.

Included Instruction Manual ................. 1 PC.

Optional Please refer page 9, 10, 11.
Accessories

2-2 Electrical Specifications (23 #5 C)

DC Voltage

Range 200 mV / 2 V/ 20 V/ 200 V / 600 V
Resolution 0.01 mV / 0.1 mV /1 mV /10 mV / 0.1 V
Accuracy #(0.1%+2d) -200mV.

3(0.2%+2d) -2V,20V,200V,600V.
Input Impedance 10 M ohm.
Over Load DCV, 350 ACV - 200mV range.
Protection DCV, 600 ACV - others.

AC Voltage (True RMS)

Range 200 mV/2/20/200/600 V
Resolution 0.01 mV/0.1 m/1 m/10 m/0.1 V
Accuracy #(0.8%+10d) -200mV,2V,20V,200V,600V

* spec. are tested under 50/60 Hz.

Input Impedance 10 M ohm.
Over Load DCV, 350 ACV - 200mV range.
Protection DCV, 600 ACV - others.

2