| Applicable engines |
Gasoline engines
2-cycle (1, 2, 3, 4 cylinders), 4-cycle (1, 2, 3, 4, 5, 6, 7, 8, 10, 12 cylinders) |
| Detection method |
Electromagnetic induction |
| Detection distance |
10 to 200 mm |
| Object of measurement |
Ignition coil |
| Calculation method |
Cycle calculation method |
| Measurement time |
Within 1 s + the time required for one cycle |
| Display |
5-digit LCD, with backlight (character height: 10.2 mm) |
| Display update time |
1 ±0.2 s |
| Measurement units |
r/min, r/s |
| Measurement ranges |
| 2-cycle |
4-cycle |
Number of rotations (r/min) |
| - |
1 cylinder |
120 to 20000r/min
|
| 1cylinder |
2 cylinders |
120 to 20000r/min
|
| - |
3 cylinders |
120 to 20000r/min
|
| 2 cylinders |
4 cylinders |
120 to 20000r/min
|
| - |
5 cylinders |
120 to 20000r/min
|
| 3 cylinders |
6 cylinders |
120 to 15000r/min
|
| 4 cylinders |
8 cylinders |
120 to 12000r/min
|
| - |
10 cylinders |
120 to 10000r/min
|
| - |
12 cylinders |
120 to 8000r/min |
(r/s is the numerical value obtained when the r/min measurement value is divided by 60)
|
| Measurement accuracy |
Displayed value* x (±0.02%) ±1 count
* The displayed value is the count value excluding figures after the decimal point. |
| Memory function |
20 data (MAX) |
| Over-range function |
The over-range alarm (ERROR mark) is displayed when the measured value exceeds the display range. |
| Rotation upper limit alarm function |
The upper limit alarm ( mark) is displayed when the number of rotations exceeds the preset upper limit value. |
| Sensitivity adjustment function |
A rotary dial at the right-hand side of the device is used to adjust the sensitivity. |
| Analog output |
Output with respect to the displayed rotation values
Output voltage: 0 to 1 V/0 to FS (FS is freely selectable)
Conversion method: 10-bit D/A conversion
Linearity: ±1%/FS
Output update time: Within 50 ms + the time required for 1 cycle
Temperature stability: ±0.05%/FS/°C (span & zero)
Setting error: ±0.5%/FS
Load resistance: At least 100 kΩ
|
| Monitor output |
Analog output for monitoring purposes after waveform reshaping of the sensor signal
Load resistance: At least 100 kΩ
|
| Pulse output |
1 pulse output per signal detection
Output voltage: Hi level: At least +4.5, Lo level: Up to +0.5 V
Output logic: Positive logic
Load resistance: At least 100 kΩ
|
| Power source |
Four AAA alkaline batteries or exclusive AC adapter (PB-7090, Option) |
| Battery life |
At least 32 hours (when the backlight is OFF)
At least 8 hours (when the backlight is ON) |
| Low battery alarm indicator |
A low battery alarm (LOW mark) is displayed when the battery voltage falls below 4.4 V. |
| Operating temperature range |
0 to 40°C |
| Storage temperature range |
-10 to 50°C |
| Outer dimensions |
198.5 (W) x 47.5 (H) x 66 (D) mm |
| Weight |
Approx. 300 g (including batteries) |
| Accessories |
Ignition detector (IP-2800) , AAA alkaline batteries × 4, Carrying case |