Length Measurement acc. European Measurement Instruments Directive
Product Types – MID 2014/32/EU Calibratable Length Measurement Systems
MID-COUNTER plus Laser EncoderMID 2014/32/EU Calibratable Length Measurement Systems tactile/non-contact: The MID-COUNTER is a counter with control functions for usage in calibrated length measurement machines:
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| Version with µSPEED-PRO
MID 2014/32/EU Calibratable Length Measurement Systems non-contact, in conntection with bidirectional laser encoder µSPEED-PRO:
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| Version with µSPEED-SMART
MID-COUNTER in connection with the unidirectional Laser Encoder µSPEED-SMART:
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MID-COUNTER plus WHEEL-ENCODERMID 2014/32/EU Calibratable Length Measurement Systems tactile/non-contact: Identical to MID-COUNTER. Here, however, in the version for operation with a measuring wheel encoder:
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| Version with measuring wheel encoder MID-WE
Measuring wheel with MID rotational-encoder:
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Technical Data – MID 2014/32/EU Calibratable Length Measurement Systems tactile/non-contact with MID-COUNTER and laser sensor (µSPEED) or MID-COUNTER and Wheel-Encoder (WE)
| MID-COUNTER with µSPEED-PRO |
MID-COUNTER with µSPEED-SMART |
MID-COUNTER with MID-WE |
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| System Configuration | MID Counter and bidirectional Laser Encoder | MID Counter and unidirectional Laser Encoder | MID Counter and Wheel driven Encoder |
| Conformity Assessment Procedure | MID 2014/32/EU pre-examination and assembly unit certificate existent |
MID 2014/32/EU pre-examination and assembly unit certificate existent |
MID 2014/32/EU pre-examination and assembly unit certificate existent |
| Direction Recognition | Yes, non-contact | Via external direction signal | Ja, with contact |
| Measurement from V=0 | Yes, non-contact | No | Yes, with contact |
| Accuracy (typ.) (2σ;L>10m/3σ;L>20m) |
± 0,05 % Accuracy Class: I, II, II |
± 0,05 % Accuracy Class: I, II, III |
ca. ± 0,3 % Accuracy Class I |
| Repeatability | ± 0,02 % of measurement value | ||
| V-Measurement Range | 0 m/min → ± 1.200 m/min (± 20 m/s) 0 ft/min → ± 3600 ft/min (± 60 ft/s) |
0,5 m/min → 6.000 m/min (100 m/s) (1,5 ft/min → ± 18.000 ft/min (± 300 ft/s) |
0 m/min → 300 m/min (5 m/s) 0 m/min → ± 900 ft/min (± 15 ft/s) |
| Measurement Distance (Tolerances) | 115±5 (±20) mm | 120±5 (±20) mm 240±10 (±40) mm |
tactile, contacting measurement |
| Interfaces | 2 x RS-232 USB 2.0 Device (PC Connection 10/100 MBit Ethernet Interface |
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| I/Os | Quadrature Output 1 to 100.000 (depending on maximum speed) pls/m Input: 4 x digital Output: 4 x digital |
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| I/O Type | RS‐422 Gauge Laser Interlock (single, 24V) |
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| Available Data | Speed, Length, Laser Interlock, Valid Measurement Data Storage: Storage of > 4 million measurement values |
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| Network/Database Connection | Available protocols: SOAP, XML, JSON, UPD transmitted with every reset: serial number, measurement ID, meter, status optional transmission: date, time, pre-settings, order number |
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| Protection Class Sensor | Sensor Head: IP67 | Encoder: acc. to type (smooth running types: IP65, IP66) | |
| Protection Class Counter | MID-COUNTER: Front: IP51; Back: IP20 | ||
| Dimensions (LxWxH) |
Sensor Head: 154x94x39 mm MID-COUNTER: 96x96x160 mm; LCD Display: 128×64 Pxl. |
Measuring Wheel: depending on diameter | |
| Power Supply | 24VDC (18 V to 24 V) | ||
| Weight | Sensor Head: 0,9 kg | Measuring Wheel: depending on diameter | |
| Laser Data | 25mW, 780 nm (Laser Class 3B) | ||
| Ambient Temperature/Humidity | 5 to 45°C ‐ not condensing (Beyond normal temperature range: external cooling/heating system required) | ||
Accessories for MID 2014/32/EU Calibratable Length Measurement Systems tactile / non-contact
Sensor Cable |
| Shielded Cables
µSPEED-C10, C25, C50 |
Sensor cables for connecting the µSPEED sensors with the MID-COUNTER with lengths between 10 and 50 m (longer lengths on demand) |  |
Display and Control Units |
| Serial Large Display
µSPEED-DIS |
μSPEED-DIS is used to read μSPEED measurement values from a distance. The large display is equipped with 6 digits as standard, but can optionally be set up as 4 or 8-digit 7-segment display. Character height: 57 mm |  |
Label Printer |
| Printer for connecting to the MID-COUNTER
µSPEED-PRT |
In some applications there is a need to provide the product measured in length directly with a label which contains the essential measurement data. This is done by the printer μSPEED-PRT. |  |
Optical Adjustment Monitoring |
| Optical Adjustment Aid
µSPEED-OAJ-3-N |
μSPEED-OAJ-3-N allows a fast and safe adjustment of μSPEED systems without the aid of meter sticks, spirit level or protractor. The adjustment aid OAJ3 is, among other things, for portable measurement applications, for measurements on rotating cylinders or in tight spaces and in applications with constantly varying material spacing. | 
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Protection Casing |
| Casing for air cooling
µSPEED-HSEe |
The casing μSPEED-HSEe made of stainless steel is used to protect the sensor head from contamination and from unsuitable ambient temperatures. The HSEe must be supplied with suitable purging air. | 
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| Casing for air cooling and water cooling
µSPEED-HSEw |
The casing μSPEED-HSEw is used to protect the sensor head from contamination and from unsuitable ambient temperatures. The HSEw must be supplied with suitable purging air. It is designed for higher ambient temperatures due to the additional connection for water cooling. The HSEw contains two heat exchanger plates. | 
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| Heat Exchanger Plates
µSPEED-HE |
Heat exchanger plates with 2 cooling water flange connections can be mounted on one or both sides of the sensor head. The water-rinsed heat exchanger plates allow the use of the sensor in a warm measuring environment. | 
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| Quick Cange Protective Glass
µSPEED-QCW |
The μSPEED-QCW Quick Change Protective Glass is designed for use in harsh environments with heavily polluted ambient air. The QCW allows the replacement of the protective glass in seconds and allows the actual cleaning of the glass can be operated detached from the sensor. | 
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Sensor Mounting Plate |
| Mounting Plate with Swivel/Slot Hole Element
µSPEED-MP |
μSPEED-MP is set up via rotary element, which allows an angular adjustment of the sensor in the material movement direction by +/- 80 °. Slotted holes on the rotary element allow a distance adjustment of the sensor head. | 
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Height Adjustment Unit |
| Adjustment unit for precise distance adjustment of the sensor head
µSPEED-HA |
The height adjustment unit allows the sensor adjustment to be carried out with the diameter and thickness variations of the material being measured at the correct measurement distance. |
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Cable Guidance with Stand |
| Cable Guidance and Sensor Tripod with Laser Protection Casing
µSPEED-CGS |
The cable guidance with tripod for the μSPEED sensor (μSPEED-CGS) always ensures the correct distance between the cable and the sensor as well as the correct routing of the cables. When the laser protection casing is opened, the laser switches off automatically. |  |
Laser Protection Equipment |
| Laser Protection Tube
µSPEED-TUBE |
The sensor head TUBE for the μSPEED sensor reduces the risk of direct exposure of the laser beam. The TUBE can be combined with the laser shutter LSH. | 
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| Laser Shutter
µSPEED-LSH |
The laser shutter μSPEED-LSH is used for the mechanical blocking of the laser beam. The shutter is manually activated by means of a sliding mechanism and is mounted on the front of the μSPEED system with four screws. | 
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| Optics
µSPEED-AO |
The angle optics AO is used when the existing mounting space is very limited. The 90° angle optics makes it possible to manage with minimal space. | 
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| Laser Protection and Safety Monitoring
µSPEED-LSSC |
The laser protection safety monitoring links various monitoring sensors to avoid any danger from the μSPEED laser. Laser class 1 may be achieved in conjunction with other protective measures. |  |
MID 2014/32/EU Non-Contact Calibratable Length Measurement Systems
Laser-Doppler based Length Measurement
With the help of two laser beams, a stripe pattern is generated on the medium to be measured. Through movement of the scattering surface, the backscattered light into the detector is modulated in its intensity, while the frequency of the brightness modulation is directly proportional to the speed of the medium and therefore to the doppler frequency. The use of special marks or benchmarks on the measurement object is not required. The scattered light will then be transformed into an electric signal through a photodetector and supplied to a digital signal processor (DSP) via analog / digital converter. With this high capacity processor, the current speed and path length will be calculated out of the digitized signal. The output of the µSPEED Laser Encoder by standard is a length-proportionate quadrature signal. The quadrature signal is then processed by the MID-COUNTER into length values.
MID 2014/32/EU Tactile Calibratable Length Measurement
Measuring Wheel based Length Measurement
A measuring wheel runs along the medium to be measured. The measuring wheel is driven by the measurement object itself. The measuring wheel is mechanically connected to the machine and is held by a spring arm via the spring preload on the material to be measured. The encoder flanged to the measuring wheel sends a quadrature signal to the MID-COUNTER, which processes the signal and determines length values.
Videos regarding MID 2014/32/EU Calibratable Length Measurement Systems tactile / non-contact
| Product Video – µSPEED
Laser Encoder Length Measurement Systems and Speed Measurement Systems Product Ranges and Application Overview |
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| Length Measurement in Textile Production – µSPEED
Laser-Encoder Length Measurement Systems and Speed Measurement Systems Measurement at the output of production with portable μSPEED system |
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| Wire Length Measurement – µSPEED
Laser Encoder Length Measurement Systems and Speed Measurement Systems Length measurement in bare-wire production with μSPEED laser system |
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| Steel Rope Length Measurement System – µSPEED
Laser Encoder Length Measurement Systems and Speed Measurement Systems Testing the measurement accuracy of a system counter for ropes with portable μSPEED laser sensor |
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| Textile Fabric Inspection Length Measurement – µSPEED
Laser Encoder Length Measurement Systems and Speed Measurement Systems Length measurement machine for textiles is calibrated without contact with μSPEED |
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| Nonwoven Fabric Length Measurement – µSPEED
Laser Encoder Length Measurement Systems and Speed Measurement Systems Length measurement in nonwoven fabric production plant without contact with μSPEED laser doppler system |
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Downloads regarding MID 2014/32/EU Calibratable Length Measurement Systems tactile/non-contact
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| MID – Product Overview | MID – Manual | MID – Part Certificate | MID – National Measurement Instruments Directive | MID – European Measurement Instruments Directive 2014/32/EU |
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