Manual Benning MM 1.2 (page 23 of 169) (English, German, Dutch, Danish, French, Italian, Polish, Swedish, Turkish, Spanish)

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4. Device description

See gure 1a, 1b, 1c:

Device front

The display and operating elements shown in gures 1a, 1b and 1c are desig-

nated as follows:

 Digitaldisplay, displaying measured value and range exceedance,

 Polarityindication,

 Batteryindication, appears in case of discharged battery,

 MIN/MAXkey, storage of the highest and lowest measured value

(BENNING MM 1-2/ 1-3),

5 VoltSensorkey, for determining AC voltage to earth,

6 RANGEkey, switch-over between automatic/ manual measuring range,

 HOLDkey, storage of the displayed measured value,

8 Rotaryswitch, for selecting the measuring function,

9 Jack (positive

), for V, Ω, , Hz,

J COM jack, common jack for current/ voltage/ resistance/ frequency/

temperature/ capacity measurements, continuity and diode tests,

Jack (positive

), for A range, for currents up to 10 A (BENNING MM 1-2/ 1-3),

L Suspensionxture

M LED for voltage indicator

) This is what the automatic polarity indication for DC current and voltage refers to

5. Generalinformation

5.1 Generalinformationonthemultimeter

5.1.1 The digital display  is a 3½-digit LC display with a font size of 16 mm

and a decimal point. The highest numerical value to be displayed is

2000.

5.1.2 The polarity indication  works automatically. Only a polarity contrary

to the jack denition is indicated with “-“.

5.1.3 The range exceedance is indicated by “ 0L“ or “- 0L“ and partly by an

acoustic warning.

Attention, no indication and warning in case of overload!

5.1.4 The „MAX/ MIN“ key function  automatically determines and stores

the highest and the lowest measured value. Preselect the measuring

range by means of the „RANGE“ key, if necessary. By pressing the key,

the following values are displayed:

„MAX“ shows the highest stored value and „MIN“ the lowest stored

value. The continuous determination of the MAX/ MIN value can be

stopped or started by pressing the „HOLD“ key . By pressing the

„MAX/ MIN“ key for approx. 1 second, you can switch back to normal

mode.

5.1.5 The „RANGE“ key 6 is intended for shifting the manual measuring

ranges and masking the „AUTO“ symbol on the display at the same

time. Select the automatic range selection by pressing the key for ap-

prox. 1 second („AUTO“ is shown on the display).

5.1.6 Measured value storage „HOLD“: Press the “HOLD“ key  to store

the measuring result. At the same time, the display shows the “HOLD“

symbol. Press the key again to switch back to the measuring mode.

5.1.7 The nominal measuring rate of the BENNING MM 1-1/ 1-2/ 1-3 is 2

measurements per second for the digital display.

5.1.8 The BENNING MM 1-1/ 1-2/ 1-3 can be switched on or off by means of

the rotary switch 8. Switched off: position „OFF“.

5.1.9 The BENNING MM 1-1/ 1-2/ 1-3 switches off automatically after ap-

prox. 10 minutes (APO, Auto-Power-Off). It is switched on again if a key

or the rotary switch is operated. A buzzer tone indicates that the device

is switched off automatically. Automatic switch-off can be deactivated

by pressing the „RANGE“ key and by simultaneously switching on the

BENNING MM 1-1/ 1-2/ 1-3 from the switching position „OFF“.

5.1.10 Temperature coefcient of the measured value: 0.15 x (stated meas-

uring accuracy)/ °C < 18 °C or > 28 °C, related to the value for the

reference temperature of 23 °C.

5.1.11 The BENNING MM 1-1/ 1-2/ 1-3 is supplied by means of two 1.5 V

micro (AAA) batteries (IEC 6 LR 03).

5.1.12

If the battery voltage falls below the specied operating voltage of the BEN-

NING MM 1-1/ 1-2/ 1-3, a battery symbol  appears on the display .

5.1.13 The battery life is approx. 250 hours (alkaline battery).

5.1.14 Dimensions of the device:

(L x W x H) = 156 x 74 x 44 mm with suspension xture

Weight: 320 g with suspension xture and battery

5.1.15

The enclosed safety measuring leads are explicitly intended for the nom-

inal voltage and the nominal curent of the BENNING MM 1-1/ 1-2/ 1-3.

5.1.16 The BENNING MM 1-1/ 1-2/ 1-3 can be set up by means of a foldable

support or can be attached by means of the suspension xture.

09/ 2013

BENNING MM 1-1/ 1-2/ 1-3

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Benning MM 1.2 Manual

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