General Tools DMM333 User Manual

DMM333

USER’S MANUAL

DIGITAL POCKET

MULTIMETER -

AUTO RANGING

TABLE OF CONTENTS

TITLE PAGE

INSTRUMENT.......................... 3

OVERVIEW

FEATURES ...............................4

SPECIFICATIONS.................... 5-6

SAFETY COMPLIANCE .........7

SAFETY ....................................8-15

INFORMATION

ELECTRICAL ...........................16

SYMBOLS

OPERATING.............................17-25

INSTRUCTIONS

MAINTENANCE ......................26

2

INSTRUMENT OVERVIEW

1. LCD Display

2. Function Select Button

3. Rotary Switch

4. DATA/MAX HOLD Button

5. Test Leads

DMM333

3

FEATURES

• Data Hold, Max Hold Ranging

• Easy to use

• Continuity Beeper, Diode Test

• Auto Power Off

• Low Battery Indicator

• Fast Sampling Rate

• Built-In-Test Leads

4

GENERAL SPECIFICATIONS

FUNCTIONS DMM333

Auto Ranging auto

Display Count 2000

DC Volts Auto 200mV/2/20/
200/500VDC

DC Volts ±(0.5%+5dgt)
Accuracy

AC Volt Auto
2/20/200/500VAC

AC Volts ±(0.8%+5dgt)
Accuracy

Resistance Auto 200/2k/20k/

(Ohms) 200k/2M/20MΩ

Resistance ±(0.8%+5dgt)<1MΩ,
Accuracy ±(2%+5dgt)≥1MΩ

Diode Test

Continuity
(audible)

DC Amps

DC Amps ±(1.8%+5dgt)
Accuracy

AC Amps

AC Amps ±(1.8%+5dgt)
Accuracy

•

•

200µ/2000µA/20m/200mADC

200µ/2000µA/20m/200mAAC

5

GENERAL SPECIFICATIONS

FUNCTIONS

Input
Impedance
(DCV setting)

Auto Off

Data Hold

Max Data
Hold

Fuse

Battery Type

Operating
Temperature

Storage
Temperature

Size(L×W×H)

Weight
(including
batteries)

DMM333

10M

Ω

•

•

•

250mA 250V
Fast Fuse

2 “LR44” 1.5V
button cell batteries

32° to 140°F

(0°to 40°C) ≤75%RH

14° to 122°F
(-10° to 50°C)

≤75% RH

Approx

4.5" x 2.3" x .5"
(115 x 58 x 12mm)

Approx
3oz (84g)

6

SAFETY COMPLIANCE

Note: Accuracy is given for
one year at 73.4°±5.4°F (23°±3°C)
RH<75%

This unit was designed to be
safe at least under the
following conditions:

• Indoor use

• Altitude: up to 2000m

• Pollution degree: 2

• Ingress protection degree: IP20

• Test leads type: CE, CAT II 500V

and CAT III 300V,1A

• Safety Compliance: IEC61010-1,

2001 CAT II 500V and
CAT III 300V

7

SAFETY INFORMATION

To avoid electric shock
or injury:

• Do not perform the performance
tests or adjustment procedures
described in this manual unless
you are qualified to do so.

• The information provided in this
manual is for the use of qualified
personnel only.

• Read “Safety Information” before
using this meter.

• This multimeter is battery
operated, with a digital display.

• The Meter complies with
IEC61010-1，2001 CATII 500V
and CATIII 300V. Refer to
“General Specifications” for
more information.

8

SAFETY INFORMATION

(continued)

• In this manual, a Warning
identifies conditions and actions
that pose hazards to the user.

• A Caution identifies conditions
and actions that may damage the
Meter or the equipment under test.

International symbols used on the
Meter and in this manual are
explained in Table 1 on page 16.

9