Máy đo tốc độ vòng quay Onosokki GE-1400

Applicable engines

Four-cycle diesel engines

Detection method

Detection of the pulsation generated by the injection pipe at the time of fuel injection

Compatible detector

CP-044 (option)

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 ± 0.2s

Measurement units

r/min, r/s

Measurement range

400 to 8000 r/min (r/s is the range 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.

Trigger level adjustment function

A rotary dial at the right-hand side of the device is used to adjust the trigger level.

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

Output voltage : Hi level: At least +4.5 V,  Lo level: Up to +0.5 V
Output logic : Positive logic
Load resistance : At least 100 kΩ

Operating temperature range

0 to 40°C

Storage temperature range

-10 to 50°C

Power source

Four AAA alkaline batteries or exclusive AC adapter (PB-7090, Option)

Battery life

At least 16 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.

Outer dimensions

186.5 (W)  x  47.5 (H)  x  66 (D)  mm

Weight (including batteries)

Approx. 280 g

Accessories

Signal cable (AX-501) ,  AAA alkaline batteries x 4,  Carrying case

Optional Accessories

・PB-7090 AC adaptor
・AX-501 Output Cable (2m, for analog or pulse output)
・CP-044 Detector