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Summary of Contents for Time TT220
- Page 1 Coating Thickness Gauge TT220 Instruction Manual TIME Group Inc Beijing TIME High Technology Ltd.
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Page 2: Table Of Contents
1. GENERAL DESCRIPTIONS ................2 1.1 S ..................... 2 COPE OF APPLICATION 1.2 B ....................2 ASIC PRINCIPLES 1.3 B ................. 2 ASIC SETUP AND NAMES OF PARTS 2. TECHNICAL PARAMETERS ................3 2.1 P ..................... 3 ROPERTY INDEX 2.2 M ..................... -
Page 3: General Descriptions
1.3 Basic setup and names of parts (1) Basic setup: TT220 main frame one unit Standard sample sheet one box... -
Page 4: Technical Parameters
TIME Coating Thickness Gauge Model TT220 Serial Measuring Range 0~1250µ TIME Group Inc. 1. Measuring head 2. LCD 3. key 4. Key 5. MODE key 6. ON/C Key 7. Charging socket 8. Printer socket 9. Shell 2. Technical Parameters 2.1 Property index... -
Page 5: Main Functions
Min. area diameter Critical thickness of Type measured (mm) of the base (mm) the base (mm) ∅7 TT220 Note: H -- nominal value. (2) Environment of application: Temperature: 0~40°C Humidity: 20%~75% No strong magnetic field (3) Power source: One 3.6v nickel-cadmium battery (4) Dimension: 150mm X 55.5mm X 23mm... -
Page 6: Functions And Operations
If the sign “ ” is displayed, it indicates that the voltage of the battery is low and recharge is needed. If the sign “ ” is displayed after switching on and the machine is automatically shut off, it indicates that the voltage has gone down to the limit and immediate recharge is necessary. -
Page 7: Delete
Batch method: The method facilitates users to record data taken in batches, with each batch containing 15 values. Each time when a batch of 15 values are stored, the screen displays: Tested 15! The group of data and its statistical value can be printed out by using the mode “PRINT ALL”... -
Page 8: Statistical Calculation
Then, press the “ON/C” button to delete all the data in the memory. (If no deletion is desired, press the key in the “DEL ONE?” mode.) (4) Statistical calculation So long as there are three values, calculation can be done. Repeat the testing at least three times and press the “MODE”... -
Page 9: Print -Out
Only the measured value and statistical value are involved in the conversion between the metric and English systems. (6) Print -Out Single print-out – Corresponding to single measurement method, it prints out the measures value for each measurement. The method of operation is: in the single measurement mode, press “MODE”... -
Page 10: Calibration
4. Calibration In order to measure the thickness accurately, it is necessary to correct the instrument on the measuring site. 4.1 Standard sheets for calibration (Foil and Base) Foils with known thickness or samples with known thickness of their coatings can be made as standard sheets. - Page 11 (1) Zero point calibration a. To conduct measuring once on the base, the screen displays <X.Xµm>. b. Press the “ON/C” button, the screen displays <0.00µm> and the zero point calibration is finished. c. To calibrate the zero point accurately, the procedure of a and b should be repeated until the measured value of the base is less than 1µm.
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Page 12: Points For Attention
After the six values are input, measure the zero point and the instrument automatically shuts off, with the new calibrated values stored in the memory. When the instrument is switched on again next time, it will work according to the calibrated values. 5. Points for Attention... -
Page 13: Rules To Observe In Using The Instrument
Measuring should not be done in the curved surface of the test piece. (5) Number of readings As the reading of each time is not entirely the same, it is necessary to obtain several reading for an area measured. The local differences of the thickness of coating also call for a number... -
Page 14: Some Points About Measuring Results
3. If the instrument does not work property without any error messages showing, such as: Unable to shut off automatically; Unable to conduct measuring; Buttons refuse to work; Abnormal reading. The instrument should be forced reset. The method of reset is: a. Press and MODE buttons simultaneously and the screen display the following: TT220. - Page 15 BE SURE4? Release the button and the screen displays: RESET TT220 The reset is thus completed. f. When giving up forced reset in the “RESET” mode, press Attention: After reset, all the previously obtained calibration values are lost and the basic calibration should be re-done (for method, see Chapter Four).
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Page 16: Non-Warranty Parts
We would be very much grateful if you send back the instrument together with a brief description of the errors. Table of Error Messages Error Code Meaning of the code Causes and solution Instrument trouble Forced reset Probe worn Replace probe Damaged probe or instrument Repair Measuring value not reliable,...
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