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High Temperature Infrared

THERMOMETER

+ Type K/J/T/E/R

Model : TM-939

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Summary of Contents for TM-939

Page 1: ...High Temperature Infrared THERMOMETER Type K J T E R Model TM 939...

Page 2: ...y Compartment Cover 6 3 11 Thermocouple Type J K T E R Input Socket 6 3 12 IR Sensing Head 6 3 13 Laser Guide 6 4 IR MEASURING PROCEDURE 7 4 1 General IR Measurement 8 4 2 Laser Target Guide 8 4 3 Mea...

Page 3: ...the maximum minimum reading Build in a REL button useful for relative measurement LCD display with back light easy readout Sensor select button on the front panel easy to change different type probe E...

Page 4: ...e type R Functions Data hold Memory Max Min Relative measurement Emissivity adjustment IR thermometer Resolution 0 1 degree or 1 degree Circuit Exclusive microcomputer circuit the software build in li...

Page 5: ...r equivalent Power Approx DC 11 mA w o laser light on Consumption Approx DC 16 mA with laser light on Above consumption value is caculated under the function of IR thermometer without LCD back light O...

Page 6: ...get set to 0 95 Spec tested with the 20 cm Dia black body the measuring distance from the probe sensing head is 30 cm Spec tested under the environment RF Field Strength less than 3 V M frequency less...

Page 7: ...1 50 0 to 400 0 0 2 0 5 50 1 to 100 0 0 2 1 0 1 58 0 to 752 0 0 2 1 58 1 to 148 0 0 2 1 8 Type E 0 1 50 0 to 900 0 0 2 0 8 50 1 to 100 0 0 2 1 0 1 58 0 to 1652 0 0 2 1 5 58 1 to 148 0 0 2 1 8 Type R 1...

Page 8: ...on 3 3 Sensor Button 3 8 Emissivity Button Left Button Laser Button 3 4 REL Button 3 9 RS232 Output Socket Down Button 3 10 Battery Compartment Cover 3 5 Hold Button 3 11 Thermocouple Back light Butto...

Page 9: ...enses energy and calculates the temperature based on the amount of IR energy it receives and a factory set emissivity value is 0 95 which will cover 90 of the typical applications However if the emiss...

Page 10: ...ure of the sensor influenced by the ambient temperature When carry out the standard measurement the device can be measured quickly for normal environment Temp changes with 23 5 For more accurate measu...

Page 11: ...object is not large enough if the temperature of the object or a part of it is higher or lower than the ambient temperature After the direction of the probe little move the probe the ideal collimating...

Page 12: ...issivity with the specific value of the object is important in order to obtain the true temperature When the emissivity of the object is known its value is not 0 95 It is necessary to adjust the emiss...

Page 13: ...nsation let the measurement more precise The offset value adjustment procedures are as following a Use two fingers to press the Hold Button 3 5 Fig 1 REC Button 3 6 Fig 1 together not release The smal...

Page 14: ...refer 4 5 b If the surface for measuring is covered by frost or other material clean it expose the surface c If the surface for measuring is highly reflective apply masking tape or apply the known blo...

Page 15: ...stabilize until the temperature same as the socket because this is a thermal contact cold junction compensation device This will take a couple of minutes and only applies when the probe plug has previ...

Page 16: ...exit the memory record function press the REC Button for at least 2 seconds and then the display will revert to the current reading 6 3 Relative measurement 1 During the measurement the circuit will m...

Page 17: ...asurement by pressing the REC Button 3 6 Fig 1 7 BATTERY REPLACEMENT 1 When the left top corner of LCD display show it is necessary to replace the battery However within specification measurement may...

Page 18: ...layed in the following format D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0 Each digit indicate the following status D0 End Word D1 D8 Display reading D1 LSD D8 MSD For example If the display...

Page 19: ...re Range 50 to 400 50 Type K to 752 Surface Probe Dimension 10 cm tube 8 mm Dia Thermocouple Model TP 03 Probe Measure Range 50 to 1200 50 to 2200 Type K Size Temp sensing head 15 mm Dia Probe length...

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