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Table of Contents

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Title

Page

Safety Information
Getting Started
     Components
     Display Elements
     Buttons
Using the Thermometer
Changing Setup Options
     Entering and Exiting Setup
     Changing the Logging Interval
     Changing the Thermocouple Type
     Changing the Offset (T1)
     Changing the Offset (T2)
     Sleep Mode
     Changing the Line Frequency
     Setting the Time
     Setting the Low Limit Alarm (Lo)
     Setting the High Limit Alarm (Hi)

1

Model UT321/322/323/325: OPERATING MANUAL

Summary of Contents for UT322

Page 1: ...ons Using the Thermometer Changing Setup Options Entering and Exiting Setup Changing the Logging Interval Changing the Thermocouple Type Changing the Offset T1 Changing the Offset T2 Sleep Mode Changi...

Page 2: ...ht Viewing the MIN MAX and AVG Readings Using the Offset to Adjust Probe Errors Over Limit Alarm Over Limit Signal Output Debug Using Memory Starting and Stopping Logging Viewing Logged Readings Clear...

Page 3: ...Maintenance Replacing the Battery Cleaning the Case Specifications Environmental General Electrical Title Page 32 32 32 33 33 33 33 Model UT321 322 323 325 OPERATING MANUAL 3...

Page 4: ...1 and T2 suitable for K J T and E type thermocouples UT323 T1 suitable for K J T E R S and N type thermocouples Equipped with over limit alarm over limit signal output and user self debug features UT3...

Page 5: ...tes abnormally Protection may be impaired When in doubt have the thermometer serviced Do not operate the thermometer around explosive gas vapor or dust Do not apply more than the rated voltage as mark...

Page 6: ...rrying two thermocouples measurement make sure there are no potential differences between two thermocouples Do not attempt to recharge the battery Match the and polarities of the battery with the batt...

Page 7: ...herwise indicated To become familiar with the thermometer study the following Figure 1 and Table 3 describe the components Figure 2 and Table 4 describe the display Figure 3 a and 3 b and Table 5 desc...

Page 8: ...Figure 1 Components Model UT321 322 323 325 OPERATING MANUAL 8...

Page 9: ...ttons Thermocouple T1 input Thermocouple T2 input UT323 and UT325 only USB Port SIGN Port Over Limit Signal Output UT323 and UT325 only NTC Battery Door 9V battery 6F22 1 2 3 4 5 6 7 8 9 Model UT321 3...

Page 10: ...Model UT321 322 323 325 OPERATING MANUAL 10...

Page 11: ...ermocouple type The temperature units Secondary Display 1 Under Calibration mode when the icon blinks The displayed reading is fixed Secondary Display 2 The thermocouple measurement includes an offset...

Page 12: ...Figure 3 a UT321 and UT323 buttons set Model UT321 322 323 325 OPERATING MANUAL 12...

Page 13: ...Figure 3 b UT322 and UT325 button set Model UT321 322 323 325 OPERATING MANUAL 13...

Page 14: ...hold to turn off this display Press to step through K J T E R S N type thermocouple Press to toggle showing the T1 T2 and T1 T2 differential temperature measurement in the primary or secondary display...

Page 15: ...After entering the Setup mode press to increase the displayed setting See Changing Setup Options After entering the Setup mode press to decrease the displayed setting See Changing Setup Options Confir...

Page 16: ...ation is too big the display shows _ _ _ _ Changing Setup Options Use Setup to change the following settings Logging interval Thermocouple type Offset T1 Offset T2 UT322 and UT325 only Sleep Mode Line...

Page 17: ...the logging interval See Using Memory Press SETUP until the display shows INTERVAL The thermometer stores logged readings at the end of each logging interval You can select a logging interval by press...

Page 18: ...ve extra R S and N type 1 Press SETUP until the display shows OFFSET and T1 2 Press or until the display shows the correct reading The offset readings range 1 Press SETUP until the display shows OFFSE...

Page 19: ...Model UT321 322 323 325 OPERATING MANUAL 19...

Page 20: ...Model UT321 322 323 325 OPERATING MANUAL 20...

Page 21: ...ach type of thermocouple K type 200 0 C to 1372 C 328 0 F to 2501 F J type 210 0 C to 1200 C 346 0 F to 2192 F T type 250 0 C to 400 0 C 418 0 F to 752 0 F E type 150 0 C to 1000 C 238 0 F to 1832 F M...

Page 22: ...er the low alarm reading plus 1 or 200 C Below table shows the measuring range of each type of thermocouple K type 200 0 C to 1372 C 328 0 F to 2501 F J type 210 0 C to 1200 C 346 0 F to 2192 F T type...

Page 23: ...Model UT321 322 323 325 OPERATING MANUAL 23...

Page 24: ...Model UT321 322 323 325 OPERATING MANUAL 24...

Page 25: ...our Code Type Colour Type Colour J Black R Green K Yellow S Green T Blue N Orange E Purple 1 Plug a thermocouple into the input connector s 2 Set the thermometer for the correct thermocouple type To c...

Page 26: ...The display shows HOLD 2 Press HOLD again to turn off the HOLD function 1 Under temperature measurement mode press to turn the display backlight on 2 Press again to turn off the display backlight The...

Page 27: ...e the offset until the display reading matches the calibration temperature See Changing Setup Options Setting the low alarm and high alarm limit at the SETUP mode the thermometer beeps when the measur...

Page 28: ...Below is the procedure K and J type 180 C 0 C and 900 C T type 180 C 0 C and 400 C E type 140 C 0 C and 900 C R and S type 0 C and 1200 C N type 180 C 0 C and 1200 C Remark 0 C only need to debug k t...

Page 29: ...g a logging session the thermometer stores logged readings in its memory The thermometer stores 00 99 total 100 sets of temperature readings The stored readings are from primary display 1 Set the logg...

Page 30: ...s 5 If you selected an auto logging interval set the logging interval not 00 00 After entering logging mode the secondary display 2 shows Press ENTER to start storing readings in sequence according to...

Page 31: ...PC You can transfer the contents of the thermometer s memory to a PC using the included Software Press SEND button and USB blinks on the display It means the thermometer and the PC are connected corr...

Page 32: ...an lead to personal injury 1 Turn off the thermometer 2 Loosen the screw and remove the battery door 3 Replace 1 piece of 9V battery 6F22 Replace the battery door and tighten the screw Use soap and wa...

Page 33: ...14 F to 122 F 40 C to 60 C 14 C to 140 C Non condensing 10 C 50 F 95 RH 10 C to 30 C 50 F to 86 F 75 RH 30 C to 40 C 86 F to 104 F 45 RH 40 C to 50 C 104 F to 122 F Certification Safety EN61326 2006 E...

Page 34: ...0 C to 1372 C 328 0 F to 2501 F J type 210 0 C to 1200 C 346 0 F to 2192 F T type 250 0 C to 400 0 C 418 0 F to 752 0 F E type 150 0 C to 1000 C 238 0 F to 1832 F 0 1 C F K 1000 T type below 200 C an...

Page 35: ...Logging Interval Thermocouple Type Offset T1 Offset T2 UT322 and UT325 only Sleep Mode Line Frequency Time High Low Limit UT323 and UT325 only Over Limit Signal Output UT323 and UT325 only Normal Tem...

Page 36: ...ween 18 C 60 F and 28 C 82 F for a period of 1 year operating temperatures 10 C 50 C 14 F 122 F The above specifications do not include thermocouple error probe tolerance is not included in above tech...

Page 37: ...Fang Industrial Development District Hu Men Town Dongguan City Guang Dong Province China Postal Code 523 925 Headquarters Uni Trend Group Limited Rm901 9 F Nanyang Plaza 57 Hung To Road Kwun Tong Kowl...

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