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Table of Contents
Related Manuals for Wavetek TMD90
Summary of Contents for Wavetek TMD90
- Page 1 TMD90 ® ® Dual Input Digital Thermometer User Manual...
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Page 2: Table Of Contents
TMD90 Dual Input Thermometer Contents Safety Information ................2 Symbols Used in this Manual ............2 Introduction..................3 Display and Controls ................4 Functions.................... 5 Auto Power Off ( Sleep Mode ) ............5 Change Thermocouple Type ............. 5 Using the Pushbuttons..............6 RS-232 Output................. -
Page 3: Safety Information
Safety Information Place ONLY thermocouples in the thermocouple input. Make sure your meter is configured for the thermocouple type to be used. Be sure the thermocouple you use can withstand the temperature extreme it will be exposed to. Properly maintain the meter and calibrate it regularly Use the thermometer only as specified in this manual, or the protection provided by the thermometer might be impaired. -
Page 4: Introduction
Introduction The Model TMD90 dual input thermometer accepts Type K, J, T, R, S, and E thermocouples. With a triple display screen to view measurement results and relative time clock. Optional RS-232 software and cable allows collection of real time data to a PC for further analysis or reports. -
Page 5: Display And Controls
Display and Controls 10 (T2) 10 (T1) REC Relative clock is active for recording min and max temperature occurences or for time stamp purposes. MAX/MIN Maximum or minimum temperature measurements are being monitored. HOLD/REL Freezes primary display or establishes a relative zero for the primary display information. -
Page 6: Functions
Functions Auto Power Off (Sleep Mode) The TMD90 shuts off automatically approximately 20 minutes after being turned on. For recording or operating over longer periods of time you can disable the sleep mode by pressing simultaneously while power on. When "n" then appear in the center of the screen you can release the On. -
Page 7: Using The Pushbuttons
Using the Pushbuttons The display defaults to the mode last used. For your convenience the meter defaults to the settings used during the last operation. HOLD ˚C ˚F Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176 FAX 781.665.0780 - TestEquipmentDepot.com... -
Page 8: Rs-232 Output
Use the pushbuttons to control operation of the TMD90. The table assumes the TMD90 has been powered on with two thermocouples installed and is set to display (default) T1 on the primary display, type K thermocouple, and Record off. Button Description Turns the meter on and off. -
Page 9: Troubleshooting
Troubleshooting Problem Solution Thermometer does not turn Check battery voltage and replace discharged battery. Verify that battery clips grip the battery post tightly. Dashes appear in the T1 and Insert missing T2 data screens. thermocouple. Dashes appear in T1 and/or T2 Measure resistance of data screens with thermocouples to ensure... -
Page 10: Replacing The Battery
This can be purchased at any electronics store using these specs: Miniature power plug with inner conductor positive and outer conductor negative, 500 mA current rating. The 9 V battery can be left in the TMD90 when using the AC adapter. -
Page 11: Repair
WARRANTY The TMD90 Dual Input Thermometer is warranted against any defects of material or workmanship within a period of one (1) year following the date of purchase of the thermometer by the original purchaser or original user. Any thermometer claimed to be defective during the... -
Page 12: Specifications
Specifications T/C Type Range Resolution Accuracy -200 to 650 C 0.1 C (0.1% rdg + 0.7 C) 651 to 1370 C 1.0 C -328 to 1000 F 0.1 F (0.1% rdg + 1.4 F) 1001 to 2498 F 1.0 F -200 to 500 C 0.1 C (0.1% rdg + 0.7 C)