The thermometer FOTEMP-OEM with fiber optic sensors is ideal for the use in microwave, high frequency, high voltage and magnetic field or aggressive environments where measurement with metal temperature sensors (RTC, TC, capillary,…) is not possible.
The measure principle use the change of the optical properties of a gallium arsenide crystal (GaAs) with the temperature. The FOTEMP-OEM contains a light source, an optical analyzer and belonging electronic with interface and display.
| Number of channels | 1, 2 to 4 |
| Power Supply | > 12 VDC, incl. power suply |
| Power Consumption | 350 mA |
| Measurement range | -200 – 300°C |
| Standard Deviation* | +/- 0.2 °K (in -40 – 150°C ) |
| Resolution | 0.1 K |
| Mesasuring Time / Channel | <250 ms |
| Analog Ouput | 0-10 V (standard) or 4-20 mA |
| Communucation | USB and RS232 (standard) or RS485 |
| Calibration | 16 points over measutement range |
| Storage Temprature | -20 – 70 °C |
| Operating Temperature | -10 – 60 °C |
| Communication Protocols | ASCII over RS232 and USB, Modbus RTU over RS485 |
| Relays | 4 relays, optional |
* The “expanded uncertainty of measurement” is the Product of the reported standard deviation and the coverage factor k=2. It corresponds to a normal distribution to a coverage probability of approximately 95 %.
** Mean value. This value depends on the used sensor and its enviromental temperature.
Features
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