Lutron Electronics DM-9131 User manual

CAT III 1000V, true rms, L/C/R
AUTOMOTIVE
TESTER
Model : DM-9131
Your purchase of this
AUTOMOTIVE TEST
marks a step forward
for you into the field of
precision measurement.
Although this
Automotive test is a
complex and delicate
instrument, its durable
structure will allow
many years of use if
proper operating
techniques are
developed. Please read
the following
instructions carefully
and always keep this
manual within easy
reach.
OPERATION MANUAL

TABLE OF CONTENTS
1.
FEATURES....................................................................................................
1
2.
SPECIFICATIONS...................................................................................
2
2-1 General Specifications...........................................................................
2
2-2 Electrical Specifications..........................................................................
3
3.
FRONT PANEL DESCRIPTION...................................................................
7
4. PRECAUTIONS & PREPARATIONS FOR
MEASUREMENT..........................................................................................
8
5.
MEASURING PROCEDURE..........................................................................
9
5-1 Symbols & Units of Display ...................................................................
9
5-2 DC voltage, AC voltage true rms Measurement ...........................
10
5-3 Resistance Measurement.........................................................................
10
5-4 DC current, AC current true rms Measurement ..................................
11
5-5 Continuity Check ...................................................................................
12
5-6 Diode Test ..............................................................................................
12
5-7 Capacitance Measurement.......................................................................
14
5-8 Inductance Measurement.........................................................................
14
5-9 L/C Calibration........................................................................................
15
5-10 Frequency Measurement.......................................................................
15
5-11 Temperature Measurement....................................................................
16
5-12 Tach. Measurement …………………………………………………………
16
5-13 "DWELL ANGLE" Measurement 17
5-14 Point check…………………………………………………………………..
19
5-15 Optional Adapter…………………………………………………………
19
5-16 Relative Measurement...........................................................................
20
5-17 Data Hold Operation..............................................................................
20
5-18 LCD Backlight ON/OFF........................................................................
20
5-19 Max/Min. value record...........................................................................
21
5-20 RS232 Computer Interface.......................................................................
21

6.
ADVANCED SETTING.................................................................................
23
8-3 Set Auto power OFF management..................................................................
24
8-4 Set beeper sound ON/OFF..................................................................
25
8-6 Set clock time(Year/Month/Date,Hour/Minute/Second)............................
26
8-7 Set Change the Temp.
℃
,
℉
unit...........................................................
26
7.
MAINTENANCE...........................................................................................
26
7-1 Replacement of Battery...........................................................................
26
7-2 Cleaning...................................................................................................
26
7-3 Replacement of Fuse...............................................................................
27
8.
OPTIONAL ACCESSORIES & ADAPTERS .................................................
28
9.
THE ADDRESS OF AFTER SERVICE CENTER..........................................
29

1. FEATURES
* Meet IEC 1010 CAT III 1000 V safety requirement.
* LCD with green light backligh, easy reading.
* 6000 counts A/D, high resolution.
* Multi function measurement. DCV, ACV, DCA, ACA,
Resistance, Capacitance, Inductance, Frequency,
Temperature, Diode, Continuity beeper, TACH,
DWELL, POINT, 2000A Clamp
* Max. & Min. measurement value with recall.
* Relative, Data hold.
*
Auto range with manual range selection.
*
Temperature measurement posibility.
*
V/A/Hz button, when execute the ACV, ACA function also
can measure the frequency of signal.
*
Both 10 A, 6A current are build fuse for safety
consideration.
* 10 M ohm impedance for voltage circuit.
* Operates from 9 V ( 006P, MIN1604 ) batteries.
* Built-in overload protection for most ranges.
* Photo couple RS 232 computer serial interface.
* Uses durable, long-lasting components, enclosed in
strong, light weight ABS-plastic housing.
* Full line optional adapters : Clamp adapter,
Tachometer adapter, Pressure adapter, Humidity
Adapter, Sound level adapter, Anemometer adapter,
Light adapter, EMF adapter.
1

2. SPECIFICATIONS
2-1 General Specifications
Display 60 mm x 39 mm large LCD display
Measurement DCV, ACV, DCA, ACA, Resistance,Diode,
Continuity beeper,Capacitance,
Inductance, Frequency, Temperature.
A/D counts no. 6000 counts.
Range selection Auto range with manual range selecting.
Special function Relative measurement
Data hold
To freeze the display reading on the
LCD display.
Power On/Off Auto power of or manual power off.
management @ Details please refer page 7
Memory recall Records Maximum & Minimum readings
with recall.
Relative To offset the measurement value.
measurement
V/A/Hz button
When execute the voltage or current
function also can measure the frequency
of signal.
Data output RS 232 PC serial interface, photo couple.
Polarity Automatic Switching, " - " indicates
negative polarity.
Zero adjustment Automatic.
Sampling time Approx. 0.5 to 1 second.
Operating 0 ℃to 50 ℃(32 ℉to 122 ℉),
Temp. & humidity Max. 80% RH.
Power supply 9 V ( 006P, MIN1604 )
DC 9V adapter input
*AC/DC Power adapter is optional.
Power consumption Approx. DC 7.0 mA.
Weight 378 g/0.83 LB ( w.o battery ).
Dimension 190 x 88 x 40 mm ( 7.5 x 3.5 x 1.6 inch ).
2