Two-channel sensor systems
SPECTRO-2 Series
Two-channel sensor systems for a variety of applications
The SPECTRO-2 series now closes the gap between contrast sensors (SPECTRO-1 series) and color sensors (SPECTRO-3 series).
The SPECTRO-2 system can operate as a pure 2-channel system (quasi two SPECTRO-1 sensors in one housing), or as a comparative (normed) system in which one channel can function as a reference.
The Windows® operating software provides a large variety of evaluation algorithms, and combined with corresponding special fiber optics, of which an extensive range of different types is available, this sensor system is perfect for solving many different tasks.
The use of BICONE fiber optics, for example, allows high-precision, space-saving distance measurements also suitable for Ex areas (with quartz fiber optics and UV LEDs among others for distance measurements on glass surfaces).
A comparison of two IR wavelength ranges furthermore makes it possible to check the water content in objects such as textile or paper webs, wood, bricks, ceramics, and other building materials. Inhomogeneities of moved objects (e.g. chatter marks or defects on metal strips) also can be detected using fiber optics that are suited for such tasks.
For all applications wavelength ranges beginning in the UVC range (starting from approx. 250 nm) up to the IR range (up to approx. 2000 nm) are available both at the transmitter and receiver side.
We shall of course also be pleased to respond to your special requirements, because the system offers corresponding flexibility both with respect to software and hardware. ► Information on range of types
► Measuring principle SPECTRO-2 with SPECTRO2-Scope
Information on range of types
–SPECTRO-2-FIO-(IR1/IR)/(IR1/IR)
Transmitter channel 0: IR-LED (860nm) / receiver channel 0: IR (730nm ... 1100nm)
Transmitter channel 1: IR-LED (860nm) / receiver channel 1: IR (730nm ... 1100nm)
- Distance measurement independent of intensity with BICONE fiber optics, normed contrast comparison of the two channels, 2-channel contrast measurement, simultaneous turbidity measurement using a through-beam and 90° process
- Various evaluation modes available (in combination with corresponding fiber optics): Distance measurement (BICONE), humidity measurement (HYGROMETRY), contrast comparison (NORM), 2-channel contrast measurement, ...
–SPECTRO-2-FIO-(IR2/IR)/(IR3/IR)
Transmitter channel 0: IR-LED (950nm) / receiver channel 0: IR (900nm ... 1700nm)
Transmitter channel 1: IR-LED (1450nm) / receiver channel 1: IR (900nm ... 1700nm)
- Detection of the water content of various materials
- Evaluation mode: Humidity measurement (HYGROMETRY)
–SPECTRO-2-FIO-(UV/VIS)/(UV/VIS)
Transmitter channel 0: UV-LED (375nm) / receiver channel 0: VIS (475nm ... 1000nm)
Transmitter channel 1: UV-LED (375nm) / receiver channel 1: VIS (475nm ... 1000nm)
- Suitable for the detection of fluorescent materials
- Various evaluation modes available (in combination with corresponding fiber optics): Contrast comparison (NORM), 2-channel contrast measurement, ...
–SPECTRO-2-FIO-(UVC/UV)/(UVC/UV)
Transmitter channel 0: UV-LED (280nm) / receiver channel 0: UV (190nm ... 400nm)
Transmitter channel 1: UV-LED (280nm) / receiver channel 1: UV (190nm ... 400nm)
- Distance measurement of optically transparent objects (in the visible spectral range) such as glass, Plexiglas, various liquids
- Various evaluation modes available (in combination with corresponding fiber optics): Distance measurement (BICONE), contrast comparison (NORM), 2-channel contrast measurement, ...
Transmitter channel 0: VIS (white light) / receiver channel 0: VIS (400nm ... 1000nm)
Transmitter channel 1: VIS (white light) / receiver channel 1: VIS (400nm ... 1000nm))
- Distance measurement with BICONE fiber optics, normed contrast measurement, 2-channel contrast measurement
- Various evaluation modes available (in combination with corresponding fiber optics): Distance measurement (BICONE), contrast comparison (NORM), 2-channel contrast measurement, ...
Measuring principle SPECTRO-2
with SPECTRO2-Scope (Windows® PC software)
The sensors of the SPECTRO-2 series feature a two-channel design, which means they acquire the analog signals of two receivers and evaluate these signals. They also have two independently adjustable transmitter sources. Various light sources such as white light, UV light, or IR light, are available as transmitters. The receiver is correspondingly matched to the transmitter.
The evaluated signal is output through a voltage output or a current output. The software can be used to select various evaluation modes for the analog signal. The status of the output signal is provided through 2 digital outputs in accordance with the evaluation mode. A digital input allows external "teaching" of the sensor. An additional input allows the "freezing" of the analog output signal upon a positive input edge.
The SPECTRO-2 sensor allows highly flexible signal acquisition. The sensor, for example, can be operated in alternating-light mode (AC mode) in which the sensor is not influenced by external light, or in constant-light mode (DC mode) in which the sensor operates extremely fast. An OFF function deactivates the sensor's integrated light source and changes to DC mode, which allows the sensor to detect so-called "self-luminous objects". With the stepless adjustment of the integrated light source, the selectable gain of the receiver signal, and an INTEGRAL function the sensor can be adjusted to almost any surface or any "self-luminous object".
A micro-controller performs 12-bit analog/digital conversion of the analog signal, which allows recording and evaluation of the signal. The SPECTRO-2 sensor furthermore offers various options for intelligent signal processing such as dirt accumulation compensation.
Parameters and measurement values can be exchanged between PC and sensor either through RS232 or Ethernet (using an Ethernet adapter). Through the interface all the parameters can be stored in the non-volatile EEPROM of the sensor.
The PC software facilitates the parameterisation, diagnostics, and adjustment of the sensor system (oscilloscope function). The software furthermore provides a data recorder function that automatically records data and stores them on the hard disk of the PC.
SPECTRO-2 sensors are temperature-compensated over a range of 0°C to 80°C.
Possible firmware updates can be easily performed through the RS232 interface, even with the sensor system in installed condition. When parameterisation is finished the sensor continues to operate in STAND-ALONE mode without a PC.
.png){kind=small}
.jpg)
%20Detection%20of%20black%20particles_Titelbild-EN.jpg)
TOP