T3D User`s Manual - Electronic Devices, Inc.
Contents
1. ELECTRONIC DEVICES INC P O BOX 15037 CHESAPEAKE VA 23328 PHONE 757 421 2968 FAX 757 421 0518 T3D User s Manual FUNCTION 22 3 OA ae gt eo amp Front panel controls and connectors eel a i oe i 3 o 1 Power Turns the T3D on es are i ie 5 2 7i i i ose Function Selects various modes of operation when Pe eine cn Bl held down Also used to initiate calibration sequence PWR OFF Les ae Sensitivity Reduces the sensitivity to the transducer s nae pores X Y i resonant points Also used with Function FUNCTION SENSEM button to tum unit off e eN E Se Sensitivity Increases the sensitivity to the transducer s cw E resonant points Additionally used to A display temperature in degrees Fahrenheit will J play 8 L TRANSDUCER i when in the temperature test mode Multi function T3D R Used to test transducers with combined Transducer Test Set depth temperature speed functions Electronic Devices Inc Chesapeake VA 23322 E e Standard Use to connect to piezoelectric transducers in the 50 to 500 kHz range Quick start Connect the T3D to a piezoelectric transducer and tum it on by pressing the power button The bar graph will show one or more illuminated sections corresponding to the resonant points of the transducer If no lights come on the transducer element is bad The T3D will turn off after two minutes of operation It can also be tumed off by pressing b2. oth the function and sensitivity buttons Other tests Multifunction transducers may be tested for correct operation of the thermistor and the speed paddle wheel by connecting them to the 8 pin multi function comector The 8 pin connector wiring is configured for the most popular multi function transducers and is detailed at the end of this manual Leakage The leakage test is activated by holding the function button down until the segment next to leak flashes An open circuit gt 10 meg ohms will cause all segments to light A short lt 10 ohms will light only the segment next to 0 Temperature Again press and hold the function button until the segment next to temp blinks The first digit of the temperature is indicated by the flashing segment and the second digit by a steady segment The readout is in degrees centigrade unless the EF button is held down for a Fahrenheit reading Speed T3D User Manual 030705 Press and hold the function switch until the segment next to speed lights Rotate the speed paddle wheel and the 0 and 1 segments will light indicating the state of the output signal Spin the paddle wheel rapidly and the bar graph lights progressively Battery test When the T3D is first tumed on all bar graph segments flash briefly to test the segments followed by one segment The position of this segment displays the battery voltage If it illuminates at 6 or lower change the battery Replace with an alkaline 9 volt batte
3. ry similar to EVER READY 522 or equivalent Calibration To insure the best accuracy the T3D should be re calibrated if the ambient temperature has changed by 30 degrees Fahrenheit or more relative to the last calibration To calibrate the unit the power must be off and no transducer connected With the unit in the power off condition press and hold the function button then press the power button Do not release the function button for three seconds Successful calibration is indicated when all segments go out Multi function connector wiring pin function 1 Speed sensor signal 2 Speed sensor 5 VDC power 3 Transducer element 4 5 7 8 Ground connections Temperature sensor Pin 1 is at the five o clock position as viewed from the front panel and the pins are counted in a counterclockwise direction Optional Accessories Test Cable RCA to Clip Leads P N 004 TESTC 8 pin Jack for making Transducer Adapters P N 520 001 Warranty Information Unit will be repaired free of charge for one year from date of purchase providing there is no water damage or other evidence of improper use or handling Purchaser must ship unit prepaid to address below EDI will pay the return freight For repair ship to Electronic Devices Inc 3140 Bunch Walnuts Road Chesapeake VA 23322 ATTN Service Department Please enclose a note descnbing the problem T3D User Manual 030705
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