|
Applicable engines |
Gasoline
engines |
|
Detection method |
detection of
electrical ignition pulse from the spark plug |
|
Detection distance |
30 to 200 mm |
|
Target object of detection |
High-tension
cords (spark-plug cords) |
|
Measurement ranges |
|
2-cycle |
4-cycle |
Measurement range (r/min) |
| - |
1 cylinder |
100
to 20000 |
|
1 cylinder |
2 cylinders |
100
to 20000 |
| - |
3 cylinders |
100
to 20000 |
|
2 cylinders |
4 cylinders |
100
to 20000 |
| - |
5 cylinders |
100
to 20000 |
|
3 cylinders |
6 cylinders |
100
to 20000 |
|
4 cylinders |
8 cylinders |
100
to 15000/ |
| - |
12 cylinders |
100
to 10000 |
|
|
Measurement accuracy |
100 to 12,499 r/min ± 1 r/min
12,500
to 20,000 r/min ± 2 r/min |
|
Measurement resolution |
1 r/min |
|
Over-range display |
If the
measured value exceeds the measurement range, the maximum
value for that range is displayed together with an “ERROR”
mark on the display unit. |
|
Low battery display |
The “LOW”
mark lights when the battery voltage drops below 3.3 V. |
|
Display unit |
LCD, 5-digit |
|
Character height |
10.5 mm |
|
Display refresh time |
1 s,
automatic update (2 s when the sensor signal exceeds 1 s) |
|
Operating temperature range |
0 to ＋40°C |
|
Storage temperature range |
-10°C to
＋60°C |
|
Power source |
Three
AAA-type batteries |
|
Continuous measurement time |
Approx. 100
hours
(when alkaline batteries are being used at a temperature of
20 ºC.) |
|
Outer dimensions |
129 × 62 ×
26.4 mm |
|
Weight |
Approx. 90 g
(excluding batteries) |
|
Accessories |
AAA-type
battery x 3 pieces |
