User Manual
Contents
1. Digital Stroboscope 72 7601 TEMMA 3 Front Panel Description FRONT PANEL LAYOUT 3 10 RECALL avi MEMORY 3 12 3 13 3 14 FAST FINDER RPM Hz Ext _ 1 o 3 15 100 RPM RS 232 Ext Trigger 500 RPM 3 16 1000 RPM OUTPUT Input 2000 RPM 5000 RPM 3 17 DIGITAL STROBOSCOPE 3 9 Handgrip 3 20 Fast Finder www element14 com TM www farnell com www newark com www cpc co uk www mcmelectronics com Page lt 5 gt 15 04 14 V1 0 User Manual Digital Stroboscope 72 7601 TENMA 4 Measuring Procedures Caution Do not use the fingers or any tools to touch the Flash Tube Risk of electric shock 4 1 Preparation a Plug unit into a properly ACV outlet Caution Power plug should apply the correct ACV power voltage b Turn the power switch to on 3 4 Fig 1 position 1 Power on 0 Power off 4 2 Checking Speed RPM FPM Caution Operating duty cycle should obey For prolong life and safety please adhere to the following operation duty lt 2 000 RPM 2 hours 3 601 to 8 000 RPM 30 min 2 000 to 3 600 RPM one hour gt 8 000 RPM 10 min 10 min cooling off period between cycles a Slide the Ext Int Switch 3 15 Fig 2 to the Int position Int Internal trigger Ext External trigger b The RP2. 7601 Data output RS 232 computer interface AC 110V 10 50 60Hz Power supply or AC 220V 10 50 60Hz or AC 230V 10 50 60Hz This stroboscope tachometer employs an custom one chip of microcomputer LSI Circuit circuit amp crystal control time base which results in extraordinary accuracy amp high set up stability over a wide dynamic range Less than 30 Watt Operating temp 0 to 50 C 32 to 122 F Operating humidity Less than 80 R H Dimension 21 x 12 x 12 cm 8 3 x 4 8 x 4 8 inch Weight 1Kg 2 2 LB a Compact and impact plastic injection case Housing case A with plastic mirror type reflector Crystal time base and microprocessor circuit not necessary take any external calibration procedure if the stroboscope working properly Calibration Operation manual 1 PC Power cord 1 PC Optional Accessory RS232 cable UPCB 02 It is required to change the flash tube when Flash tube replacement the instrument start to flash irregularly at speeds of 3 600 RPM FPM or more Accessories included For prolong life and safety please adhere to the following operation duty cycle lt 2 000 RPM 2 hours Operating duty Cycle 2 000 to 3 600 RPM one hour 3 601 to 8 000 RPM 30 minutes gt 8 000 RPM 10 minutes 10min cooling off period between cycles www element14 com www farnell com www newark com www cpc co uk www mcmelectronics com Page lt 4 gt TEMMA TENMA 15 04 14 V1 0 User Manual
3. DE WARNING For accuracy it is recommended that this procedures is followed after every reading www element14 com TM www farnell com www newark com www cpc co uk www mcmelectronics com Page lt 6 gt 15 04 14 V1 0 User Manual i Digital Stroboscope 72 7601 TEMMA 4 3 Checking Speed Hz The operation procedures are same as the above 4 2 Checking Speed RPM FPM except that should push the RPM Hz Button until the Hz Indicator lit Then the setting unit will be the Hz 4 4 Memory amp Recall a When checking the speed motion after setting the values RPM or Hz then push the MEMORY Button will store the setting values to the memory circuit b Push the Recall Button 3 18 Fig 2 will recall the memory values to show on the display c The memory circuit can save 10 sets setting values After power Off and On again the memory data will disappear from the memory circuit For example Store the setting RPM values When setting RPM values is 501 1 RPM push the MEMORY Button first then 501 1 RPM values will store into the first memory circuit When another setting RPM values is 1798 RPM push the MEMORY Button again then 1798 RPM values will store into the secondary memory circuit again Recall the memory values Push the RECALL Button the new setting RPM values will be the first memory data 501 1 RPM Push the RECALL Button again the new set
4. D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 DO www element14 com TM www farnell com www newark com www cpc co uk www mcmelectronics com Page lt 7 gt 15 04 14 V1 0 User Manual Digital Stroboscope 72 7601 TENMA Each digit indicate the following status End Word Display reading D1 LSD D8 MSD For example If the display reading is 1234 then D8 to D1 is 00001234 Decimal Point DP position from right to the left 0 No DP 1 1 DP 2 2 DP 3 3 DP Polarity 0 Positive 1 Negative Annunuciator for Display D11 amp D12 27 RPM RS232 FORMAT 2400 N 8 1 www element14 com TM www farnell com www newark com www cpc co uk www mcmelectronics com Page lt 8 gt 15 04 14 V1 0
5. M Indicator should lit If not then push the RPM Hz Button once a while until the RPM Indicator lit c Fast Finder key If the approximate RPM values are known then the Fast Finder Button can be used enabling you to reach the setting values 100 RPM 500 RPM 1 000 RPM 2 000 RPM or 5 000 RPM easily The stroboscope is default to 100 0 RPM when power on d X 2 Button amp Divide by 2 Button Ref the 3 10 3 11 Fig 2 use those two button to multiply amp the divide the setting value easily e Adjustment Button Pushing the Adj Button once will increase the setting value one count Hold the Adj Button will increase the setting value continuously The increase speed of setting value will change from slow to fast if hold the Adj Button for a long time f Adjustment Button Pushing the Adj Button once will decrease the setting value one count Hold the Adj Button will decrease the setting value continuously The decrease speed of setting value will change from slow to fast if hold the Adj Button for a long time g Care must be taken when taking a measurement to ensure that the strobe is flashing in unison one to one with the object being monitored A Stroboscope will also stop motion at X2 X3 X4 etc This is referred to as harmonics To check the true RPM pressing the X2 Button and the 2 Button will have the following effect onw a ECC
6. TEMMA User Manual Digital Stroboscope 72 7601 www element14 com TM www farnell com www newark com www cpc co uk www mcmelectronics com Page lt 1 gt 15 04 14 V1 0 User Manual Digital Stroboscope 72 7601 Table Of Contents 1 Features 2 Specifications 2 1 General Specification 2 2 Flash Tube Specification 3 Front Panel Description 3 1 Flash Tube 3 2 Display 3 3A RPM Indicator 3 3B Hz Indicator 3 3C Ext Trigger Indicator 3 4 Power On Off Switch 3 5 AC Power Socket 3 6 Front Panel amp Key Board 3 7 Fix Nut of Main Body 3 8 Fix Screw of Handgrip 3 9 Handgrip 3 10 X 2 Button 3 11 Divide by 2 Button 3 12 Adj Button 3 13 Adj Button 3 14 RPM Hz Button 3 15 Ext Int Switch 3 16 Ext Trigger Input Socket 3 17 RS232 Output Socket 3 18 Recall Button 3 19 Memory Button 3 20 Fast Finder 4 Measuring Procedures 4 1 Preparation 4 2 Checking Speed RPM 4 3 Checking Speed Hz 4 4 Memory amp Recall 4 5 External trigger 5 Flash Tube Replacement 6 RS232 PC Serial Interface www element14 com www farnell com www newark com www cpc co uk www mcmelectronics com Page lt 2 gt TENMA wo 3 amp 4 Ro EN NN NN NO OO O O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O1 O O Oi Oi Oi Qo co TENMA 15 04 14 V1 0 User Manual Digital Stroboscope 72 7601 TEMMA 1 Features e The instrument is a microprocessor circuit design high accuracy digital readout Stroboscope Adjust
7. ing the Flash Rate by push button keyboard unique design in the world easy operating amp intelligent function That is ideal for inspecting and measuring the speed of moving gears fans centrifuges pumps motors and other equipment used in general industrial maintenance production quality control laboratories and as well as for schools and colleges for demonstrating strobe action e External trigger input e RS232 computer interface output 2 Specifications General Specification Display 14mm 0 56 LED 5 digits Setup unit Flash rate RPM FPM Hz P FPM flash per minute 5 to 12 500 RPM Flash rate set up range 0 083 to 208 Hz 0 1 RPM 5 to 999 9 RPM 1 RPM REM 1 000 to 9 999 RPM 10 RPM 10 000 to 12 500 RPM Resolution 0 001 Hz lt 10 Hz F 0 01 Hz 10 Hz 99 99 Hz 0 1 Hz 100 Hz 208 Hz Set up stability 1 digit within 10 minute Switch Select RPM Hz 0 15 0 2 RPM rdg lt 1 000 RPM 0 5 1 RPM rdg Accuracy 1 000 to 3 300 RPM 1 FS 3 301 to 12 500 RPM rdg reading FS full scale Function Fine adjust Coarse adjust Multiply by 2 Divide by 2 Fast finder Memory recall Input signal 5V to 30V rms External trigger 5 to 12 500 RPM 0 083 to 208 Hz Memorize 10 sets of measuring data www element14 com TM www farnell com www newark com www cpc co uk www mcmelectronics com Page lt 3 gt 15 04 14 V1 0 User Manual Digital Stroboscope 72
8. ting RPM values be the second memory data 1798 RPM 4 5 External trigger The stroboscope can accept the external trigger signal instead of the internal trigger setting the value by the push button on the panel 1 If intend to accept the external trigger signal it should select the Ext Int Switch to the Ext position at same time the Ext Trigger Indicator will lit 2 Connect the external signal to the Ext Trigger Input Socket via the earphone plug 3 The display will show the value of the external trigger signal Push the RPM Hz Button will change external signal unit from RPM RPM indicator will lit to Hz Hz indicator will lit or Hz to RPM 5 Flash Tube Replacement It is required to change new flash tube when the instrument existing to flash irregularly at speeds of 3 600RPM FPM or more Caution Change the tube should be done by gualify technician people only Open the case is prohibited by user 6 RS232 PC Serial Interface The instrument features an RS232 output via 3 5mm Terminal The connector output is a 16 digit data stream which can be utilized to the user s specific application An RS232 lead with the following connection will be reguired to link the instrument with the PC serial input Meter PC 3 5 mm jack plug 9w D Connector Center PI ae i Ground shield 2 2K resister The 16 digit data stream will be displayed in the following format
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