Extech Instruments K.J.E.T. 422324, Instruction Manual

Page 1: ...TYPE K J E T PRINTING THERMOMETER Model 422324 INSTRUCTION MANUAL...

Page 2: ...SPECIFICATIONS 2 2 1 General Information 2 2 2 Electrical Specifications 4 IV PRECAUTIONS AND PREPARATIONS FOR MEASUREMENT 10 V OPERATIONAL GUIDE 11 VI INTERVAL PRINTING SETUP 18 VII BATTERY REPLACEME...

Page 3: ...ironment conditions Altitude up to 2000 meters Indoor use only Relative humidity 90 max Operational Temperature 32 122 F 0 50 C Maintenance Cleaning Repairs or servicing not covered in this manual sho...

Page 4: ...ent reading K J E T Thermocouple types HI ALARM Temperature exceeds high alarm limit setpoint LO ALARM Temperature exceeds low alarm limit setpoint Low battery symbol Negative polarity positive polari...

Page 5: ...eper off 70 hours no printing or beeper Input protection 60Vdc 24Vrms Operating Temperature and Humidity 32 to 122 0 to 50 below 90 RH Storage Temperature and Humidity 14 to 140 10 to 60 below 70 RH D...

Page 6: ...rdg 0 8 0 1333 0 1 rdg 1 4 32 2431 Type J 0 1 rdg 0 8 0 760 0 1 rdg 1 4 32 1400 Type E 0 1 rdg 0 8 0 703 0 1 rdg 1 4 32 1297 Type T 0 1 rdg 0 8 0 400 0 1 rdg 1 4 32 752 Type K J E T 0 5 rdg 1 0 200 0...

Page 7: ...III Description of Thermometer Fig 2 1 LCD Displays readings units symbols and decimal points 2 POWER Powers the unit on off 3 UNIT Selects the temperature units...

Page 8: ...ng at any time and prints current reading Press for 2 seconds to enable interval printing Unit will remain in the interval printing mode until this button is pressed again or the FEED button is presse...

Page 9: ...4 and pin5 will be low Pin41 High Alarm If the reading is higher than the high alarm setpoint then pin 4 will be high otherwise it will be low Pin 51 Low Alarm If the reading is less than or equal to...

Page 10: ...Note voltage VCC to GND is 16V Maximum 5V Minimum GND SYNC VCC...

Page 11: ...red parameter Parameters in sequence K J E T thermocouple types 00 01 Interval printing enable 01 and disable 00 Temperature units High Low Alarm high and low alarm limits Ex K Type 1333 3 200 0 J Typ...

Page 12: ...Ensure that the batteries are correctly placed in the case or that the 9V adaptor is correctly connected 4 An unsecured battery cover can cause measurement error 5 To avoid battery leakage remove batt...

Page 13: ...o power the meter If appears check that the probe is connected properly and that it is operational C To enter the programming mode press the MENU button to exit press it again Use the left and right a...

Page 14: ...3 ALARM UNIT Fig 7 4 FIRST THREE DIGITS IN HI ALARM 399 399 Fig 8 5 LAST TWO DIGITS IN HI ALARM 00 99...

Page 15: ...8 HOUR OF INTERVAL PRINTING 00 23 Fig 12 9 MINUTE OF INTERVAL PRINTING 00 59 Fig 13 10 SECOND OF INTERVAL PRINTING 00 59 Fig 14 11 HOUR OF START INTERVAL PRINTING TIME 00 23...

Page 16: ...PRINTING TIME 00 23 Fig 17 14 MINUTEOFSTOPINTERVALPRINTINGTIME 00 59 Fig 18 15 FIRST TWO DIGITS OF CALENDAR YEAR 19 29 Fig 19 16 LAST TWO DIGITS OF CALENDAR YEAR 00 99 Fig 20 17 MONTH DIGITS OF CALEND...

Page 17: ...DAY DIGITS OF CALENDAR MONTH DAY 01 31 Fig 22 19 HOUR DIGITS OF CALENDAR HOUR MINUTE 00 23 Fig 23 20 MINUTE DIGITS OF CALENDAR HOUR MINUTE 00 59 Fig 24 21 SECOND DIGITS OF CALENDAR MINUTE SECOND 00 5...

Page 18: ...Line 2 interval printing time hour minute second Following two lines Line 1 hour minute second month day interval printing time Line 2 measurement channel thermocouple type reading and unit Last two...

Page 19: ...1 K 0035 2 12 59 08 11 02 T1 K 0L 12 59 18 11 02 T1 K 0037 0 12 59 20 11 02 T1 K 0L First two lines Line 1 hour minute second month day Line 2 interval printing time hour minute second Following lines...

Page 20: ...shown on LCD indicating that interval printing is active 2 SETUP INTERVAL PRINT without 24 hour limit Enter the Menu mode by pressing the MENU button Disable Interval Printing as described on page 11...

Page 21: ...Calibration and Repair Services Extech offers complete repair and calibration services for all of the products we sell For periodic calibration NIST certification on most products or repair of any Ext...