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光學速度和長度傳感器，旨在對移動表面和物體的速度和長度進行無接觸測量，例如，線纜、帶材、管材、纖維、薄膜、紙張、熱鋼和車輛。
該系列包括兩個型號：基于物體圖像的光柵空間濾波的ISD-3和基于激光多普勒干涉的ISD-5。
ISD-3系列光學速度和長度傳感器規格：
- 速度范圍，km/h：0.2..250
- 速度測量精度，% RMS：小于±0.15
- 距離測量精度，% RMS：小于±0.1
- 物體圖像的光柵空間濾波
- 可靠地測量任何表面
- 適用于汽車和鐵路應用
ISD-5系列光學速度和長度傳感器規格：
- 速度范圍，m/s：0.005..20
- 速度測量精度，% RMS：0.02
- 距離測量精度，% RMS：小于±0.05
- 激光多普勒干涉
- 適用于冶金、電纜生產、紡織面料等工業應用
在對物體進行校準后，消除安裝軸的誤差。 ** 對于典型的道路表面。在均勻且無對比度的表面上，實際的上限可能會更低。 *** 僅受照明燈的限制，因為它直接由電源供電。處理器單元和傳感器電子設備具有獨立的+5V線性調節器，容忍度高達35V。 由于我們持續改進傳感器的努力，RIFTEK保留在事先通知的情況下更改規格的權利。
激光速度和長度傳感器ISD-5系列. 規格
| Parameters | Value | Comments |
| Parameter | Value | Notes |
| Speed range | 0,2 – 250 Km/h | At TTLout 400 Hz per m/s. Others on request |
| Speed accuracy* | <±0,15 % RMS | Determined on test bench (treadmill) at18,38 km/h |
| Absolute distance accuracy* | <±0,1 % RMS | After calibration at S >100 m. |
| Measuring frequency | ?34,5 Hz or 47,5 Hz | User ajustable, (max 80 Hz see capt. 10.3. below for details) |
| Nominal distance to the road and tolerance (range of working distance) | 35 ± 15 cm or 50 ± 20 cm ** | Others on request |
| System power supply (tolerance) | 12V nominal (11 – 14,5V)*** | |
| System power consumption | Sensor head: 20 Wt Processor unit: 1,5 Wt | |
| Sensor head operation temperature range | -20…+50?С | |
| Weight of the sensor + mounting bracket | 280g + 120g | Without cable |
| Weight of the processor unit | 350g | |
| Sensor dimensions | ?55 x 205 mm + illuminator | See fig.2. |
| Processor unit dimensions | 120 x 100 x 35 mm | Without connectors |
| Sensor cable length | 5 m | Up to 10 m on request |
| System power cable length | 2 m | Up to 10 m on request |
| Environmental sensor head protection | IP67 | |
| Magnetic fixing tool | 4 magnets x 16 Kg strength | Option, see fig.2. |
| Controller unit outputs: | ||
| Analog out Freuency out ? ? Digital out | Speed, 40 mV/(m/s) 3V max. Length, 400 pulces/m? (=speed 400 Hz/(m/s), meander?? 0 – 3 V, TTL compatible, up to 200 KHz. ? Ethernet (UDP protocol): No of meas, Speed, Length, | ? Typical values, user adjustable (see software description below). DAC and frequency resolution – 12 bit Others on request |
| Physical data latency at measurement freq, ms 34,5 Hz 47,5 Hz | 15 | Stable, =? of measuring time, without averaging. |
| Base Software | – Program to read data via Ethernet, visualization and saving data; – Program for sensor diagnostics – Read data example (LabView 8.2.1 and higher) – Dynamic library (DLL) to read data via Ethernet – Sensor parameters configuranion via any Internet browther | See below for details. Custom software by request are possible. |
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