Capacity Measurement; Frequency Measurement; Maintenance - Benning MM 11 Bedienungsanleitung

the BENNING MM 11 (press key once)
- The black safety measuring lead has to be connected to the COM jack 
on the BENNING MM 11.
- The red safety measuring lead has to be connected to the jack for V, Ω, Hz,
°C,  on the BENNING MM 11.
- The safety measuring leads have to be brought into contact with the meas-
uring points. If the line resistance between the COM jack  and the jack for
V, Ω, Hz, °C,
See figure 8:

8.6 Capacity measurement

Before
capacitors completely!

Never apply voltage to the capacity measurement jacks! The
appliance can become damaged or even be destroyed! A
damaged appliance may cause an electrical hazard!
- Use the rotary switch  to select the required function (
BENNING MM 11.
- Determine the polarity of the capacitor and discharge capacitor complete-
ly.
- The black safety measuring lead has to be connected to the COM jack 
on the BENNING MM 11.
- The red safety measuring lead has to be connected to the jack for V, Ω, Hz,
°C,  on the BENNING MM 11.
- The safety measuring leads have to be brought into contact with the dis-
charged capacitor according to its polarity, read the measured value on the
digital display  unit of the BENNING MM 11.
See figure 9:

8.7 Frequency measurement

- Using the rotary switch  select the required function (Hz, %DF) on the
BENNING MM 11.
- The black safety measuring lead has to be connected to the COM jack 
on the BENNING MM 11.
- The red safety measuring lead has to be connected to the jack for V, Ω, Hz,
°C,  on the BENNING MM 11. Note the minimum sensitivity for the
frequency measurements on the BENNING MM 11!
- Bring the safety measuring leads into contact with the measuring points, read
the measured value on the digital display  unit of the BENNING MM 11.
See figure 10:
8.8 Pulse duty ratio measurement
- Using the rotary switch  select the required function (Hz, %DF) on the
BENNING MM 11.
- Using the button (blue)  carry out the switchover to pulse duty ratio meas-
urement (%DF) on the BENNING MM 11 (press key once)
- The black safety measuring lead has to be connected to the COM jack 
on the BENNING MM 11.
- The red safety measuring lead has to be connected to the jack for V, Ω, Hz,
°C,  on the BENNING MM 11. Note the minimum sensitivity for the
frequency measurements on the BENNING MM 11!
- Bring the safety measuring leads into contact with the measuring points, read
the measured value on the digital display  unit of the BENNING MM 11.
See figure 10:
8.9 Temperature measurement
- Use the rotary switch  to select the required function (°C or °F) on the
BENNING MM 11.
- Bring the adapter for the temperature sensor in the COM jack  and V, ,
Hz, °C,  into pole-correct contact.
- The temperature sensor (type K) must be contacted in the adapter.
- The contact point (end of the sensor line) has to be placed at the point to
be measured. Read the measured value on the digital display  unit of the
BENNING MM 11.
See figure 11:
9.

Maintenance

Before opening the BENNING MM 11, make sure that it is free of

voltage! Electrical danger!
Work on the opened BENNING MM 11 under voltage may be carried out only
03/ 2011
 50 Ω, the fitted buzzer sounds on the BENNING MM 11.
Continuity testing with buzzer
carrying out
Capacity measurements
Frequency-/ pulse duty ratio measurement
Frequency-/ pulse duty ratio measurement
Temperature measurement
BENNING MM 11
capacity measurements

discharge
) on the
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