Operating Instructions Nozzle Temperature Sensor
Contents
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3. FOS MESSTECHNIK GMBH Operating Instructions Nozzle Temperature Sensor NTS 2 IR A2 Fast infrared temperature sensor for measuring the melt temperature in the nozzle of an injection molding machine FOS Messtechnik GmbH _ R tgersstrasse 40 m Telefon 49 4331 9065 Germany D 24790 Schacht Audorf i i Telefax 49 4331 9066 Operating instruction Nozzle Temperature Sensor F g NTS 2 IR A2 MESSTECHNIK GMBH FOS Messtechnik GmbH _ R tgersstrasse 40 m Telefon 49 4331 9065 Germany D 24790 Schacht Audorf i i Telefax 49 4331 9066 Operating instruction Nozzle Temperature Sensor Fos NTS 2 IR A2 MESSTECHNIK GMBH Installation of the sensor The FOS NTS 2 IR A2 sensor is a fast infrared thermometer for measuring the melt temperature in the nozzle of an injection moulding machine The measuring of the infrared radiation of the melt is the only method to detect the exact temperature in milliseconds so that too high or too low temperatures of the melt can effectively be avoided Installation of the sensor 1 Mount the sensor into the measuring bore hole Please make shure that the sensor and the amplifier show identical serial numbers 2 Connect a 24 V DC power supply to the amplifier and the green LED will start shining 3 The sensor is now ready for operation Zero and Span Adjustment Attention The factory calibration of the sensor was done by means of a grey infrared rad
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5. iator The actual sensor IR output and the sensor head temperature output signal TC Thermocouple can be found on the amplifier label Start condition Make shure that the sensor IR output shows approximately room temperature when the sensor head is cold If not use the zero adjustment screw Try to get 25 30 C read out 625 750 mV Nozzle filled with plastic melt nozzle at operating temperature Now the IR signal should show the same temperature as the nozzle body The difference of the readings can be ajusted by means of the span screw at the backpanel of the amplifier Now the sensor is ready for operation Seite page 2 FOS Messtechnik GmbH R tgersstrasse 40 S Telefon 49 4331 9065 Germany D 24790 Schacht Audorf i i Telefax 49 4331 9066 Operating instruction Nozzle Temperature Sensor Fos NTS 2 IR A2 MESSTECHNIK GMBH Technical Data Principal of function A fast infrared thermometer for measuring the melt temperature in the nozzle of an injection moulding machine Supply Voltage 24 VDC 10 max 300 mA Output signals Infrared thermometer 25 mV C Conventional thermometer 10 mV C Linearity better than 1 FSO Precision better than 1 FSO Temperature range 50 C 400 C Response time typ 15 ms Seite page 3 FOS Messtechnik GmbH R tgersstrasse 40 S Telefon 49 4331 9065 Germany D 24790 Schacht Audorf i i Telefax 49 4331 906
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