Parts subject to wear:
-
The BENNING CM 5-1 is fed by a 9 V block battery (IEC 6 LR 61)
-
The above-mentioned safety measuring leads (tested accessories, 044145)
correspond to CAT III 1000 V/ CAT IV 600 V and are approved for a current
of 10 A.
4.
Description of current clamp multimeter
See figure 1:
The display and operator control elements specified in Fig. 1 are designated
as follows:
1 Polarity marking, for assigning the DC current direction by means of the
polarity indication,
2 Bulge of current clamp, protects against contact with conductor,
3 Opening lever, for opening and closing the current clamp,
4 AutoSense, symbolizes the AUTOTEST function,
5 Zero, null-balance indication for direct current (DC) measurements,
6 APO, Auto Power Off is activated (device will switch off after 20 minutes),
, is indicated if a dangerous voltage is applied > 30 V,
7
8 Polarity indication, any polarity opposed to the polarity markings shall be
designated with „-",
9 Battery status indication, appears when the battery is discharged,
J key (grey), with the following functions:
POWER, for switching the BENNING CM 5-1 on/ off
-
-
(AUTO) POWER OFF, for activating/ deactivating the automatic switch-
off,
ZERO balance, null balance for direct current (DC) measurements,
-
-
(AUTO) HOLD, automatic storage of the measured value,
-
HOLD, storage of the measured value,
K COM jack, common socket for voltage, resistance measurement and con-
tinuity testing,
L Jack (positive
M Range indication,
N LoZi, symbolizes a low input resistance for voltage measurements (4 kΩ ...
375 kΩ),
O Auto, HOLD and AutoHOLD, is displayed if the corresponding storage of
measured values is activated,
Digital display, for displaying the measured value and range exceedance,
AUTO BACKLIT, sensor of the automatic background lighting,
Measuring pliers, for clamping on the single wire current-carrying conduc-
tor,
) This is what the automatic polarity indication for DC voltage refers to,
1
5.
General information
5.1 General details on the current clamp multimeter
5.1.1
The digital display is a 4-digit liquid crystal display with 14 mm high
numerals, complete with decimal point. The largest numerical value
which can be displayed is 9999.
5.1.2
The polarity indication 8 is automatic. Only one polarity with respect to
the socket/ polarity marking 1 marked "-" is indicated.
5.1.3
The BENNING CM 5-1 can be switched on/ off by means of the key
(grey) J. For switching it off, press and hold the key for approx. 3
seconds.
5.1.4
The overranging is indicated by "0L" or "- 0L" and, in part, an acoustic
warning.
Warning, no indication and prior warning in the event of an overload
condition!
5.1.5
Null balance (ZERO)
Press the key (grey) J for approx. 1 second to carry out a null balance
for direct current (DC) measurements. The null balance is indicated by
a flashing „ZERO" symbol 5 on the digital display.
5.1.6
Storage of measured values „HOLD": The measuring result can be
stored by actuating the key (grey) J. The „HOLD" symbol O simultane-
ously appears on the display. By pressing the key J again, the device
is switched back to the measuring mode.
With the storage of measured values „HOLD" being activated, the
multimeter recognizes a measuring signal deviating from the displayed
value, if the measuring signal of the same unit has increased by 50 dig-
its or if a measuring signal of another measuring function is detected.
The change of measuring signal is indicated by a flashing display or by
a continuous acoustic signal.
5.1.7
Automatic storage of measured values „AutoHOLD" (only for AC/ DC
measurements higher than 3 A): If during switch-on the key (grey) J is
05/ 2019
Appliance front face
), for V, Ω and
1
BENNING CM 5-1
,
12