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SPECIFICATIONS ONNOSOKKI HT-5500 HANDHELD DIGITAL TACHOMETER
| Detection methods | Optical reflective non-contact measurement; contact method (contact adapter supplied) | |||||||||||||||||||||
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| Measurement units | r/min, r/s (rotations) m/min (line speed) ms (cycle) COUNT (cumulative count) |
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| Measurement ranges |
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| Reflection detection distance | 20 to 300 mm | |||||||||||||||||||||
| Display | 5-digit LED, with backlight (character height: 10.2 mm) | |||||||||||||||||||||
| Measurement time | Within 1 s + time required for one cycle (however, when the rotation is less than 60 r/min, twice the time required for one cycle (MAX)) | |||||||||||||||||||||
| Display update time | Approx. 1 s | |||||||||||||||||||||
| Measurement accuracy | Displayed value* x (±0.02 %) ± 1 count * The displayed value is the count value excluding figures after the decimal point.
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| Peak hold function | Maximum value (MAX), minimum value (MIN) | |||||||||||||||||||||
| 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. | |||||||||||||||||||||
| Line speed calculation function | •Calculates the line speed from the preset diameter value (mm) and the measured number of rotations <Non-contact> • Use the KS-100/200 circumferential rings <Contact> |
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| Accumulating function | Provides a cumulative count of the input signal pulses | |||||||||||||||||||||
| Cycle measurement function | Measures the input pulse cycle (however, when the cycle is less than 1 s, measures the mean value of the input pulses) | |||||||||||||||||||||
| Analog output | Output voltage : 0 to 1 V/0 to F.S. (Full scale can be set arbitrarily.) Conversion method : 10-bit D/A conversion Linearity : ±1 %/F.S. Output update time : Within 50 ms + 1 cycle Temperature stability : ±0.05%/FS/°C (span & zero) Setting error : ±0.5 %/F.S. Load resistance : At least 100 kΩ |
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| 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 |
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| Operating temperature | 0 to 40 °C | |||||||||||||||||||||
| Storage temperature | -10 to 50 °C | |||||||||||||||||||||
| 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) |
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| Low battery alarm indicator | A low battery alarm mark (LOW) is displayed when the battery voltage falls below 4.4 V. | |||||||||||||||||||||
| Outer dimensions | 180.5 (W) X 47.5 (H) X 66 (D) mm 237.2 (W) X 47.5 (H) X 66 (D) mm (with the contact adapter) |
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| Weight (including batteries) | Approx. 267 g Approx. 329 g (with the contact adapter) |
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| Accessories | Contact adapter (HT-0502) 1 Contact tip for rotation measurement (KS-300) 1 Circumferential ring (KS-200) 1 Reflective marks (12-mm square; 25 pcs.) 1 sheet AAA alkaline batteries 4 Carrying case 1 |
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| Peripherals (sold separately) |
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Introduction Onnosokki HT-5500 Handheld Digital Tachometer
The Onnosokki HT-5500 stands as a portable digital tachometer showcasing advanced capabilities and groundbreaking technology within its sleek design. Its operation is effortlessly versatile, functioning both as a contact and non-contact digital tachometer, and it comes equipped with an array of rotation measurement technologies.
This device is equipped to measure an assortment of parameters, including rotations (in revolutions per minute, and revolutions per second), accumulated rotations (count), linear speed (measured in meters per minute for both contact and non-contact, and millimeters per second for contact measurements), and period (measured in milliseconds). The device offers standard analog signal output as well as pulse signal output. The analog signal serves the purpose of recording rotational data through data recorders, while the pulse signal finds application as an external sampling signal in FFT analyzers for tracking analysis.
The Onnosokki HT-5500 boasts an extensive measurement range, spanning from 6.0 r/min (for low-speed rotation) to 99999 r/min (for high-speed rotation), all supported by its high-level technical functionalities.
Features
- Wide measurement range from 6.0 r/min (low-speed rotation) to 99999 r/min (high-speed rotation)
- Capable of both contact and non-contact measurement in one unit
- Built-in memory function – 20 data (MAX) can be saved to memory.
- Line speed measurement is possible by setting the diameter of rotational object even though it is non-contact measurement. (Circumferential ring such as KS-100/KS-200 should be attached at HT-5500 when it is contact measurement.)
- Accumulating rotation can be measured. (1 pulse/rotation by contact measurement. 1 count/1 reflection mark to 9999 is possible by non-contact measurement
- Both analog and pulse outputs provided as standard
- Hold function of Max. and Min. values of rotation, period and line speed.
- Large LCD with backlight
- Can be mounted on a tripod
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