Bedienungsanleitung Benning CM1.1 (Seite 16 von 97) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch, Polnisch, Türkisch, Schwedisch)

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BENNING CM 1-1/ 1-2



measurement/ continuity test

Sliding switch, for selecting the measuring function,

Jack (positive

), for V and Ω

COM jack, common jack for voltage/ resistance measurements and conti-

nuity test,

Opening lever, for opening and closing the current clamp,

Bulge for current clamp, protects against contact with conductor,

Measuring clamp, for clamping on the single-wire live conductor,

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

5. General information

5.1 General information on the current clamp multimeter

5.1.1 The digital display

is a 3½-digit LC display with a font size of 14 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 Measured value storage “HOLD“: Press the “HOLD“ key

to store the

measuring result. At the same time, the display shows the “H“ symbol.

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

5.1.5 The MAX key function

automatically determines and stores the high-

est measured value. By pressing the key, the following values are dis-

played:

“MAX“ shows the highest stored value. The continuous determination of

the MAX value can be stopped or started by pressing the “HOLD“ key

. Press the “MAX“ key to switch back to normal mode.

5.1.6 Press the

V~/ V or Ω/ key to select the secondary function of the

sliding switch position (see indication on the display).

5.1.7 The nominal measuring rate of the BENNING CM 1-1 is 2.5 measure-

ments per second for the digital display. The nominal measuring rate of

the BENNING CM 1-2 is 1.5 measurements per second for the digital

display.

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

sliding switch

. Switched off: position “OFF“.

5.1.9 The BENNING CM 1-2 is switched off automatically after approx. 10

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

sliding switch is operated. A buzzer tone indicates that the device is

switched off automatically. The BENNING CM 1-1 is not provided with

an APO function.

5.1.10 Temperature coefcient of the measured value: 0.2 x (stated measuring

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

temperature of 23 °C.

5.1.11 The BENNING CM 1-1 is supplied by means of a 9 V block battery (IEC

6LR61).

The BENNING CM 1-2 is supplied by means of two integrated 1.5 V

micro (AAA) batteries (IEC LR 03).

5.1.12 If the battery voltage falls below the specied operating voltage of the

BENNING CM 1-1/ 1-2, a battery symbol appears on the display.

5.1.13 The battery life is approx. 580 hours for the BENNING CM 1-1 and ap-

prox. 200 hours for the BENNING CM 1-2 (alkaline battery).

5.1.14 Dimensions of the BENNING CM 1-1:

(L x W x H) = 180 x 70 x 42 mm

Weight: 200 g

Dimensions of the BENNING CM 1-2:

(L x W x H) = 190 x 70 x 38 mm

Weight: 225 g

5.1.15 The enclosed safety measuring leads are explicitly intended for the

nominal voltage and the nominal cuurent of the BENNING CM 1-2.

5.1.16 Largest clamp opening: 30 mm

5.1.17 Largest cable diameter: 27 mm

6. Ambient conditions

- The BENNING CM 1-1/ 1-2 is intended for measurements under dry ambi-

ent conditions,

- Maximum barometric height for measurements: 2000 m,

- Overvoltage category / installation category: IEC 60664-1/ IEC 61010-1

→ 600 V category III,

- Contamination class: 2,

- Protection category: IP 30 (DIN VDE 0470-1 IEC/ EN 60529)

3 – rst index: protection against access to dangerous parts and protection

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