Máy đo tốc độ vòng quay Onosokki SE-2500

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

(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