2.
Safety instructions
Below is an example of a safety instruction :
Dangerous voltage!
Follow the safety instruction!
Before using the BENNING MM 2, please read the operating manual carefully.
Follow the safety instructions in this manual. In this way you will ensure safe
operation and will retain the BENNING MM 2 in safe condition.
3.
Contents of delivery
The following items are included in the delivery of a BENNING MM 2 :
3.1 one BENNING MM 2
3.2 one safety test lead, red (L= 1.4 m ; Probe diam. = 4 mm) with protec-
tive cap
3.3 one safety test lead, black (L= 1.4 m; Probe diam. = 4 mm) with protec-
tive cap
3.4 one protective rubber holster
3.5 one compact protective carrying case
3.6 one 9 V battery and two different fuses (built into unit)
3.7 one operating manual
Note on replaceable parts :
-
The BENNING MM 2 contains fuses for overload protection :
One fast blow fuse rated 16A (500V), D = 6.35 mm , L = 32 mm (P.no.
749770) and one fast blow fuse rated 1A (500V), D = 6.35 mm, L = 32 mm
(P.no. 749669).
-
The BENNING MM 2 is powered by a built-in 9 V block battery (IEC 6 LR 61).
4.
Tester description
refer to figure 1:
The display and operating elements shown in figure 1 are denoted as follows:
Digital display for measurement values, display for overrange indication,
Polarity display,
Battery indicator, appears when the battery is low,
Rotary switch for function and range selection
Input terminal (positive
COM-Terminal, common return terminal for current, voltage, resistance
measurements, continuity and diode tests,
Input terminal (positive) for µA/mA range, for currents up to 200 mA,
Input terminal (positive) for 20 A range, for currents up to 20 A,
Protective rubber holster
) the automatic polarity display for direct and alternating current refers to this terminal
1
5.
General Specifications
5.1 General specifications for the BENNING MM 2
5.1.1
The digital display is a 3½ digit liquid crystal display with 20 mm digit
height and automatic decimal point placement. The highest display
value is 1999.
5.1.2
The polarity display is automatic. As positive is implied by the
defined input terminal, only a negative pole will be indicated with "-".
5.1.3
Overranging is indicated by a blinking "1" or "-1".
5.1.4
The measuring rate of the BENNING MM 2 is a nominal 2,5 readings
per second rate.
5.1.5
The BENNING MM 2 is turned on and off using the rotary switch .
Unit is turned off when switch is in "OFF" position.
5.1.6
The BENNING MM 2 powers off automatically after approx. 30 min-
utes. It can be powered on again by turning the rotary switch to
select another range.
5.1.7
Temperature coefficient of the measurement reading: 0.15 x (given
accuracy)/ °C , < 18 °C or > 28 °C.
5.1.8
The BENNING MM 2 is powered by a 9 V block battery (IEC 6 LR 61).
5.1.9
When the battery voltage drops below the operating voltage of the
BENNING MM 2 a low battery symbol appears in the display.
5.1.10 The lifespan of a battery is approx. 300 hours (Alkaline battery).
5.1.11
Meter dimensions:
(L x W x H) = 175 x 84 x 31 mm without protective rubber holster
(L x W x H) = 192 x 95 x 50 mm with protective rubber holster
Meter weight:
340 g without protective rubber holster
550 g with protective rubber holster
5.1.12 The safety test leads feature 4 mm diameter needle pointed tips. The
08/ 2008
front tester panel
) for V, Ω,
1
BENNING MM 2
,
10