Gossen MetraWatt METRA MAX 12 Manual de usuario

3-348-831-03

7/8.14

METRA MAX 12

Analog-Digital Multimeter

GMC-I Messtechnik GmbH

Applications

The METRA MAX 12 digital multimeter is suited for universal, gen-

eral applications in the electrical and electronics fields, as well as

in radio and television service, training and education.

It is of especially flat design, and thus fits into any bag. The pro-

tective cover with tilt stand, which is included as a standard fea-

ture, provides for easy transport, allows for convenient reading

from the workbench as well as for attachment of the measuring

probe to the instrument.

Selection of input resistance for voltage measurement

In addition to the usual voltage input with one resistance value of

10 MΩ, which is selected via V or V , this measuring instrument

provides the electrician with an additional selector switch position

for V400kΩwith an input resistance of approx. 400 kΩ. This allows

for the avoidance of negative influences from capacitive coupling

during voltage measurements in power supply systems.

Automatic/manual measuring range selection

The measurement quantities are chosen with the rotary selector

switch. The measuring range is automatically adapted to the mea-

surement value. The measuring range can also be manually

selected with the AUTO/MAN button.

Overload warning

An acoustic signal occurs, if the range limit value is exceeded.

Hold/Min/Max

By pressing the HOLD/ON key, the currently displayed measure-

ment value can be „frozen“ in the display.

The minimum and maximum values which were present at the

input of the measuring instrument after activation of the MIN/

MAX mode can be selectively "retained" with the MIN/ MAX func-

tion. The most important application is the determination of the

minimum or maximum value during long-term observation of

measurement quantities. MIN/MAX has no effect on the analog

display; it continues to display the current measurement value.

Diode and continuity testing

This provides for the testing of the polarity of diodes, as well as

inspection for short-circuits and circuit interruptions. In addition to

the display, resistances of less than 40 Ωare indicated with an

acoustic signal.

Protective cover for rough operating conditions

A protective cover of ABS with a built-in stand protects the instru-

ment against jolts and falls. It also secures the test prod for one-

hand operation, and allows for winding of the measurement cable

which provides protection during transport.

Theft protection

Company name and name of the user can be entered into the

field next to the display with an indelible etching needle for identifi-

cation of the owner.

• Input resistance can be selected

for voltage measurements

• Direct and alternating voltages

from 100 μV ... 600 V

• Direct and alternating currents

from 10 μA ... 10.00 A

• Resistances from 10 mΩ... 40.00 MΩ

• Capacitance from 1 pF ... 40.00 μF

with relative operation

• Frequencies from 10.00 Hz ... 400.0 kHz

• Diode measurement and continuity testing

• MIN, MAX and Hold measurement value storage

METRA MAX 12

Analog-Digital Multimeter

2GMC-I Messtechnik GmbH

Characteristic Values

Key: rdg. = measured value (reading)

1) At 0 °C...+40°C

max. 10 A/30 min

12 A/5 min

16 A/30 s

3) Battery voltage 2.2 V ... 3.2 V

4) With zero adjustment „REL“;

without zero adjustment: +300 digits in the 4 nF range,

+30 digits in the 40 nF range

5) Indication of the frequency measurement expanded to up to 9999 digits

Applicable Regulations and Standards

Measuring

function

Measuring range Resolution Input impedance

100 pF // X Ω

Digital display intrinsic uncertainty

at reference conditions

±(...% of rdg.+... digits)

Overload capacity 1) Measuring

function

V/V400kΩOverload value Overload duration

V400kΩ

400.0 mV 100 μV>20MΩ~400 kΩ0.75 + 2

600 V

effective continuous V

V400kΩ

4.000 V 1 mV 11 MΩ~400 kΩ

0.5 + 2

40.00 V 10 mV 10 MΩ~400 kΩ

400.0 V 100 mV 10 MΩ~400 kΩ

600 V 1 V 10 MΩ~400 kΩ

V400kΩ

400.0 mV 100 μV>20MΩ~400 kΩ1.5 + 5

600 V

effective continuous V

V400kΩ

4.000 V 1 mV 11 MΩ~400 kΩ

1+540.00 V 10 mV 10 MΩ~400 kΩ

400.0 V 100 mV 10 MΩ~400 kΩ

600 V 1 V 10 MΩ~400 kΩ1+10

Approx. voltage drop

at max. meas. current

40,00 mA 10 μA 450 mV 0.8 + 2 480 mA continuous A

400,0 mA 100 μA1.5V

10,00 A 6) 10 mA 750 mV 1.5 + 5 2) 2)

40,00 mA 10 μA 450 mV 1 + 5 480 mA continuous A

400,0 mA 100 μA1.5V

10,00 A 6) 10 mA 750 mV 2 + 5 2) 2)

Open-circuit voltage

400.0 Ω100 mΩ

approx. 0.5 V

0.8 + 5

600 V

effective 5min

4.000 kΩ1Ω

0.8 + 2

40.00 kΩ10 Ω

400.0 kΩ100 Ω

4000 kΩ1kΩ1 + 5

40.00 MΩ10 kΩ2+5

Ω400.0 Ω100 mΩAcoustic signal for 0 ... < 40 ΩΩ

3.000 V 1mV approx. 3 V 3) 2+10

4.000 nF 1 pF 3 + 40 4)

600 V

effective 5min F

40.00 nF 10 pF 3 + 10 4)

400.0 nF 100 pF 3 + 10

4.000 μF1nF

40.00 μF10nF 5+10

fmin Umax

Hz 5)

100.00 Hz 0.01Hz 10 Hz ≤ 600 V

0.2 + 2 600 V

effective continuous Hz

1.0000kHz 0.1 Hz 10 Hz

10.000 kHz 1 Hz 10 Hz ≤ 100 V

100.00 kHz 10 Hz 10 Hz ≤ 40 V

400.0 kHz 100 Hz 100 Hz

DIN EN 61010 Part 1:2001/

VDE 0411-1:2002

Safety regulations for electrical measuring,

control, regulation and laboratory devices

DIN 43751 Digital measuring instruments

DIN EN 61326-1

VDE 0843-02-1

Electrical equipment for measurement, control and labo-

ratory use – EMC requirements –

Part 1: General requirements

DIN EN 61326-2-1

VDE 0843-02-2-1

Electrical equipment for measurement, control and labo-

ratory use – EMC requirements –

Part 2-1: Particular requirements for sensitive test and

measurement equipment

DIN EN 60529

DIN VDE 0470 Part 1

Test Instruments and test procedures

– Degree of protection provided by enclosures (IP code)

METRA MAX 12

Analog-Digital Multimeter

GMC-I Messtechnik GmbH 3

Reference Conditions

Ambient temperature + 23 °C ±2K

Relative humidity 40 % ... 60 %

Frequency of

measuring quantity sine 50 Hz

Battery voltage 3 V ±0.1 V

Display

LCD display field (50 mm x 30 mm) with analog and digital dis-

play, and with display of measurement unit, type of current and

various special functions.

Analog

Display LCD scale with bar graph display

Scale length 40 mm

Scaling 0 ... 40 with 40 scale divisions

Polarity display with automatic reversal

Overflow display Bar with triangle

Measuring rate 20 measurements/s

Digital

Display/Character height

7 segment digits/ 10 mm

Number of digits 3¾ places 3999 steps

Overflow display „4000“ with flashing „4“

Polarity display „–” sign is displayed when plus pole at „⊥”

Measurement rate 2 measurements/s for U, I and Ω

1 measurement/s for capacitive and

frequency measurements

Display

1 Digital display with comma and polarity display

2 Display for insufficient battery voltage

3 Display for REL and HOLD as well as MIN MAX storage

4 Continuity test display:

speaker symbol appears when acoustic signal is switched on

5 Display for diode measurement

6 Measurement unit display

7 Display for exceeding of measuring range

8 Indicator for analog display

9 Scale for analog display

10 Display for analog or automatic measuring range selection

11 Display for selected type of current

Influence Variables and Effects

Aux. Voltage Influence

(without display all ranges except AC: ±5 d

AC range: ±20 d

Power Supply

Battery 2 ea. 1.5 V mignon cell

zinc-carbon cell per IEC R6

alkaline manganese dry cell per IEC LR 6

Service life zinc-carbon cell: approx. 300 hours

Alkaline mang. dry cell: approx. 600 hours

Battery test Automatic display of „ ” symbol when

battery voltage falls below approx. 2.3 V

Power-saving circuit

The instrument switches off automatically when no operating ele-

ment has been activated for approx. 30 minutes.

Key: rdg. = measured value (reading), d = digit

134

789

MAN

AUTO Hzk

mVA

HOLD MAX MIN

403020100

REL

Influence

Variable

Influence Range Meas. quantity /

Meas. range

Influence Effect

Temperature

0°C ...

+21 °C

and

+25 °C... +40 °C

0.1 x intrinsic

uncertainty/K

Influence

Variable

Influence Range

(max. resolution)

Frequency Intrinsic uncertainty at Ref.

±(... % rdg. +... digits)

Frequency

VAC

4, 40, 400 V 20 Hz ... < 50 Hz

> 50 Hz ... 500 Hz

2 + 3

400 mV, 600 V 20 Hz ... < 50 Hz

> 50 Hz ... 100 Hz

2 + 3

Influence

Variable

Influence

Range

Meas. quantity /

Measuring range

Influence Effect

Relative

humidity 55 ... 75 %

1 x intrinsic uncertainty

Influence

Variable

Interference Magnitude Measuring

ranges

Attenuation

Common

Mode

Interference

Voltage

600 V DC / AC 50 Hz sinusoidal all V DC > 100 dB

600 V DC all V AC > 100 dB

600 V AC 50 Hz sine

400 mV / 4 V

>80dB

40 V AC > 63 dB

400 V AC > 43 dB

600 V AC > 23 dB

Series-Mode

Interference

Voltage

max. 600 V AC 50/60 Hz sine V DC > 43 dB

max. 600 V DC V AC > 55 dB

METRA MAX 12

Analog-Digital Multimeter

Edited in Germany • Subject to change without notice • A pdf version is available on the internet

GMC-I Messtechnik GmbH

Südwestpark 15

90449 Nürnberg • Germany

Phone +49 911 8602-111

Fax +49 911 8602-777

E-Mail [email protected]

www.gossenmetrawatt.com

Fuses

Fuse for ranges FF(UR)1.6 A / 700 V; 6.3 mm x32 mm;

up to 400 mA Breaking capacity 50 kA at 700 V and

non-reactive load, cos ϕ< 0,2; protects all

current measuring ranges up to 400 mA in

connection with power diodes

Fusefor FF(UR)16A/600V;6.3mmx 32 mm

10 A range breaking capacity 50 kA at 600 V and

non-reactive load, cos ϕ<0.2

Electrical Safety

Protection class II per IEC 61010-1:2001/

EN 61010-1:2001/VDE 0411-1:2002

Measuring category II III

Nominal voltage 600 V 300 V

Contamination degree 2 2

Operating voltage 600 V

Test voltage 3.5 kV~ per IEC 61010-1:2001/

EN 61010-1:2001/VDE 0411-1:2002

Electromagnetic Compatibility (EMC)

Interference emission EN 61326-1:2006 class B

Interference immunity EN 61326-1:2006

EN 61326-2-1:2006

Ambient Conditions

Operating temperatures

−10 °C ... + 50 °C

Storage temperatures −25 °C ... + 70 °C (without batteries)

Relative humidity 45 ... 75 %, no condensation allowed

Elevation up to 2000 m

Mechanical Design

Protection Housing: IP 50, Connector sockets: IP 20

Extract from table on the meaning of IP codes

Dimensions W x H x D: 92 mm x 154 mm x 25 mm

Weight approx. 0.2 kg with batteries

Standard Equipment

1Multimeter

1 KS14 cable set

1 Operating instructions

1 Protective cover with tilt stand

Order Information

IP XY

(1st digit X)

Protection against

foreign object entry

IP XY

(2nd digit Y)

Protection against the

penetration of water

2≥12.5 mm dia. 0 not protected

5 dust-protected 0 not protected

Designation Type Ident. number

Analog-digital multimeter METRA MAX 12 M212A

Ever-ready bag with cable

compartment F823 GTY3172097P01

Carrying case F829 GTZ3301000R0003

Fuse set (10 ea.) FF(UR)1.6A/700V AC Z109E

Fuse set (10 ea.) FF(UR)16A/600V AC Z109A

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