6.ELECTRICAL SPECIFICATIONS
5.12. RPM and ×10RPM
5.12.1. Using the rotary switch, select either the
RPM range or the ×10RPM range (1,000
t o 1 2 , 0 00 R P M ) a n d m ul t i pl y t h e
displayed reading by ten to get actual
RPM.
5.12.2. Press STROKE / DIS button to select
through RPM for 4-stroke, RPM for
2-stroke and DIS ignitions.
5.12.3. Connect the inductive pickup leads to the
meter.
5.12.4.Insert the black lead into the COM
terminal.
5.12.5. Insert the red lead into the V-
Ω
-RPM
Terminal.
5.12.6. Open the inductive pickup and place it
onto a spark plug wire. If no reading is
received, unhook the clamp, turn it over
and connect again.
NoteS:
5.12.7. Position the inductive pick-up as far away
from the distributor and the exhaust
manifold as possible.
5.12.8. Position the inductive pick-up to within six
inches of the spark plug or move it to
another plug wire if no reading or an
erratic reading is received.
5.12.9. RPM 4 : For RPM of 4-stroke engines
which have 1 ignition on every 4 engine
Strokes
5.12.10 RPM 2 : For RPM of DIS
( Distributorless lgnition System) &
2-stroke engines which Have 1 ignition
on every 2 engine strokes
PLEASE NOTE - THE RPM PICK-UP
HAS AN ADJUSTABLE SENSITIVITY
SWITCH THAT CAN ALSO BE USED TO
CORRECT AN UNSTABLE READING.
GENERAL INSTRUMENT SPECIFICATION
Instrument complies
with
IEC 1010-1 EN61010-1
Insulation
Class 2, Double Insulation
Overvoltage category CATIII1000V/CATIV600V
Display
6000 counts LCD display
with function indication
Polarity
Automatic, (-) negative
polarity indication.
Overrange
"OL" marks indication
Low battery indication
"
" is displayed when the
battery voltage drops below
the operating level
Measurement rate 3 times per second, nominal
Auto power off
Meter automatically shuts
down after approx. 15
minutes of inactivity
Operating
environment
0
o
C to 50
o
C (32
o
F to 122
o
F)
at< 70% relative humidity.
Storage temperature
-20
o
C to 60
o
C (-4
o
F to
140
o
F) at< 80% relative
humidity.
For inside use, max
height
2000m
Pollution degree
2
Power
One 9V battery (PP9)
Dimensions
190 x 90 x 62mm
Weight
400g(include battery)