Bosch MMD 540H Instruction Manual page 12

20 | MMD 540H Hybrid Multimeter | Meter Functions
Meter Functions – Frequency(Hz)
f Select the "Hz" Frequency
function with the rotary
switch.
Insert:
f Black lead in COM terminal.
f Red lead in V-Ω-RPM
terminal.
Connect the Black test probe to
ground.
Connect the Red test probe
to the "signal out" wire of the
sensor to be tested.
Robert Bosch LLC MMD 540H Instruction Manual | Version 1 | December 2010
Black– Red+
"Signal Out" Ground
Side Side
"Voltage In"
Side
MMD 540H Hybrid Multimeter | Meter Functions | 21
Meter Functions – Dwell (
Select the "DWELL" function
f
with the rotary switch.
Insert:
f Black lead in COM terminal.
f Red lead in V-Ω-RPM terminal.
Connect the Black test probe to
ground.
Connect the Red test probe to
the wire that connects to the
breaker points (see illustration).
MMD 540H Instruction Manual | Version 1 | December 2010
)
Black– Red+
To breaker
Points
Robert Bosch LLC