Operation Manual
Contents
1. TH 744 Series Thermometer K J3 T E R S N Types Users manual oO Operation 13 LIMIT To enforce alarm function key stepl press LIMIT 73 50 G T4 40 P S1 When the main display temp value is higher than the alarm setting Hi temp value or lower than the alarm Lo setting temp value the alarm will continue send out 2 The Hi Lo setting temp value of the thermocouple types are different qpti Hi Lo K 1300 99 9 J 1000 99 9 T 400 99 9 E 800 50 R 1700 0 S 1700 0 N 1300 99 9 E Names Of Parts 3 1 LCD display 2 Function control key 3 Thermocouple input jack 4 Battery cover 5 RS 232 input jack 6 Shift button 7 Power button E Battery replacement 1 The symbol J that appears in the upper left of the LCD display indicates that the unit s battery is running low Please replace the 1 5V battery at once to ensure the test accuracy 2 Remove the battery cover by one screwdriver 3 Replace the old battery with four new 1 5V batteries and lock the battery cover 4 Prior to replacing the battery please make certain to remove the thermocouple from the temperature gauge as a safety precaution 5 When in extended idle please remove the 1 5V battery from the temperature gauge and store the temperature gauge only in a cool and low humidity setting 6 To avoid combustion DO NOT dispose of batteries in general into an open flame2. 7 Caution the positive and negative polarity when loading battery 8 Please abide by pertinent laws and regulations when disposing of used batteries 16 _ Introduction Thank you for purchasing the temperature gauge from us Please take a few minutes to browse through this user manual before you begin to operate the unit to ensure that you are fully fami liarized with how best to operate the temperature as accurately and safely as possible The TM 7xx serial temperature gauges features a microprocessor ratsd digital temperature gauge which according to varied input configurations and different thermocouple types is divided into 48 modes refer to the table below for a concise summary of subtle distinctions in their designed functions TM 5 Series LSingle Channel 1 K Type 2 Dule Channel 2 K J Types 3 Triple Channel 4 K J E T Types 4 Four Channel 7 K J E T R S N Types Basic equipment No Back Light R RS 232 Interface Include Back Light D RS 232 Data Logger Include Back Light a Features 1 The maximum displays for four temp values 2 Resolution 0 1 C 0 PF VC 1 F 3 Swift response 4 Setting alert temp range 5 With auto power off function 6 With low battery indicator function 7 With a perpetual calendar function 8 With COUNT function 9 With T1 T4 exchange to main display function for above dual channel modes 10 With T1 T2 function for du
3. al channel modes T3 T4 function for four channel 11 Additional features include HOLD C F K REL CHAN MAX MIN AVG TYPE TIME CLOCK setting LIMIT Hi Lo setting 12 CE certified according to ITS 90 law E Operation 16 perpetual calendar stepl power on 1 Press right key and hold on 2 Press power key 3 Set free two keys 17 X backlight for option A Press the backlight button to turn the backlight ON or OFF B In no turn off backlight condition the backlight function can keep on 1 minute 15 E Operation 15 CLOCK To enforce date setting function key stepl press step2 press A Use 4 gt key to move place B Use w a key to set hour amp minute C The flicker word is the adjustable 3993 2004 word A Use 4 gt key to move place B Use w 4 key to set date amp month C The flicker word is the adjustable word A Use 4 gt key to move place B Use w 4 key to set year C The flicker word is the adjustable word step press Back to main display E General Specifications 1 Display Mode Four digit liquid crystal display 2 Polarity indicator No indicator is shown when readouts are in the positive value while the symbol is prompted when readouts fall into the negative value 3 Overload indicator The OL or OL indicator 4 Low battery indicator The symbol J is prom pt
4. ed on the LCD when the battery runs low 5 Power source Four DC 1 5V UM 4 batteries 6 Auto power off The unit no operations are over 20 minute the battery power will be turned off Press the Shift key for 3 seconds the auto po wer off will be cancelled 7 Sample rate ltime sec 8 Battery life Approx 550 hours 9 Operating Temperature and Humidity 0 C 50 C 32 F 122F 0 80 RH 10 Storage Temperature and Humidity 20C 60C 4 F 140F 0 80 RH 11 Dimension 164x76x32mm LxWxH 12 Weight Approx 415g include batteries 13 Accessories A DC 1 5V UM 4 4pcs B Housing 1pcs C K type thermocouple wire single channel x1pcs for above dual channel x2pcs D Users manual 1 pcs 3 E Operation 7 CHEN every input temp value changed to main display function key for above dual channel mode s A dual channel stepl press CHEN B triple channel stepl press TYPE K CHEN step3 press fR CHEN C four channel stepl CHEN press tipe x m CHEN step2 press step2 press tid Operation 8 TYPE select thermocouple type function key TM 7XX series according to different modes there are seven types in all Other modes can selected by users besides TM 711 TM 721 TM 731 TM 741 The method of operation as follows press mp 4 mp 40 lef
5. ion of the thermocouple types is shown in page 4 E Electrical Specifications 1 Temp unit Celsius temp C Fahrenheit temp F Absolute temp K 2 Measurement Range At 23 5 C lt 80 RH K type 100C 1300C 148F 2372F J type 100 C 1000 C 148 F 1832F T type 100C 400C 148 F 752F E type 50C 800C 58 F 1472F R amp S type 0C 1700C 32 F 3092F N type 100C 1300C 148 F 2372F Accuracy The basic accuracy does not include the error of the thermocouple K J T E type 0 1 reading 0 7 C 100C 1300C 0 1 reading 1 4 F 148 F 2372 F R S type 0 1 reading 2 C 0 C 1700C 0 1 reading 4 F 32 F 3092 F N type 0 1 reading 1 5 C 100C 1300C 0 1 reading 3 F 148 F 2372 F 4 Resolution U TC 0 1C K 100C 1300 100 C 200C J 100C 1000 C 100C 150C T 100 C 400 C 100 C 150 C E 50 C 800 C 50C 100 C R 0C 1700 C S 0C 1700 C N 100C 1300C 100C 150C 4 E Operation 14 Hi Lo The alarm Hi Lo temp value setting A Use 4 gt key to move place B Use x 4 key to set Hi temp value C The flicker word is the adjustable word A Use s gt key to move place B Use fw 4 key to set Lo temp value C The flicker word is the adjustable word step4 press Back to main display
6. s the power button to turn the power ON or OFF 2 C F K The temp Unit selection key Press the key to sequentially alternate the three temp unit of C Fand K 3 HOLD The readout hold function key Press the HOLD key a HOLD icon will display on the LCD and the readout held in press the HOLD key once more to cancel the HOLD function 4 MAX MIN AVG The maximum minimum average readout function key stepl Step2 press E Operation 9 COUNT The count time setting function key The max count time is 99 hours and 59 minutes stepl press u BHO urEeE over 1 hour 3000 00 gt Press right key back to main display E Operation 5 REL The minus relative readout function key Press the REL key a REL icon will display on the LCD and the original of a temp will become to 0 and save the original temp to make a standard value Whenever the input temp shifts the LCD will shows the minus value of original temp value and input temp Value stepl press 5 ham REL original temp Save25 step2 press REL input temp 30 25 5 6 1 1 or 0 1 unit selection function key Press the T key the whole resolution will become IC 1 F and no dot Press the key once more the display will restore common state the resolution will become 0 1C 0 1 F P S The resolut
7. t key v A Use 4 L gt key to choose type B The word will flicker for the chosen type C To confirm it then press SHIFT key The type became to A fi type Table of Contents Introduction Features General specifications Electrical specifications Names of parts Operation Battery replacement E Caution 1 Input protection The temperature jack carried a maximum voltage of 24 volts DC or AC 2 Temperature jacks Design for the insertion of a standard small thermocouple jacks which has a center spacing of 7 9mm between the two prongs 3 Please DO NOT placed inside a microwave for temperature testing 4 A correct thermocouple slot should be chosen when operating the temperature gauge 5 Please DO NOT attempt to use a temperature gauge that is not working properly for this may result in physical harms send for repair service at once 6 Please DO NOT attempt to operate the temperature gauge in the around sites where explosive gases vapor or dust particles are present 7 Please refrain from subject the paired thermocouple or the grounding between the thermocouples to a voltage exceeding what has been marked on the unit 8 When gauge occur crashed please take one battery out for above one minute Then place the battery back and restart the gauge 17 E Operation E Operation 1 0 Power ON OFF key 11 T1 T2 for above dual channel modes Pres
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