Instruction Manual
Contents
1. f for more than 1 second to display SU E in the RECALL mode 2 Press f for more than 1 second again to delete all logged readings from memory 3 Press momentarily or turn off the thermometer to stop clearing memory Viewing Logged Readings 1 Press momentarily to display the last logged reading If there is no logged readings no dALE appears in the secondary display and the thermometer returns to the previous mode 2 Press IM to scroll through the logged readings The display shows each logged reading and its time stamp which s displayed 2 seconds after its memory location appeared in the secondary display 3 Press B momentarily to step through the minimum maximum average and currently logged reading 4 DT302 Press E momentarily to display the logged readings you want to view Press E for more than 1 second to display differential values between the logged readings you want to view 12 5 Press momentarily or turn off the thermometer to stop viewing logged readings NOTE The thermometer calculates the minimum and maximum of all logging sessions in memory The thermometer is equipped with an USB interface port A Windows software WS600 CD and USB interface cable kit is available for data acquisition applications This kit is required to connect the thermometer to a PC The thermometer comes with this optional accessory kit You can transfe2. K and E Type and 0 1 of reading for T Type Temperature 0 01 of reading 0 1 F per F 0 05 C per C Coefficient for lt 64 F 18 C or 82 F 28 C Below 148 F 100 C add 0 05 of reading for J K and E type and 0 1 of reading for T type Real Time About 1 second per day Clock Tolerance Maximum Differential 1V maximum voltage difference between Common Mode any pair of inputs Voltage Temperature Scale ITS 90 International Temperature Scale of 1990 Applicable Standards N I S T Monograph 175 revised to ITS 90 Accuracy is specified for ambient temperatures between 64 F 18 C and 82 F 28 C for a period of 1 year The above specifications do not include thermocouple error 17 DT301 DT302 Digital Temperature Logger Limited Warranty The DT301 and DT302 are warranted to be free from defects in materials and workmanship for a period of five years from the date of purchase If within the warranty period your instrument should become inoperative from such defects the unit will be repaired or replaced at UEi s option This warranty covers normal use and does not cover damage which occurs in shipment or failure which results from alteration tampering accident misuse abuse neglect or improper maintenance Batteries and consequential damage resulting from failed batteries are not covered by warranty Any implied warranties including but not limited to implied warranties of merchantabil
3. E type Thermocouples Min Max and Data Hold 9 999 Memory position Logging with USB software download Relative DT301 Temperature Differential T1 T2 DT302 Safety Notes These are a few common safety practices for those working around temperature critical environments Follow the manufacturer s maintenance procedures when servicing equipment Place ONLY thermocouples type K J T or E in the DT301 and DT302 thermocouple ports e Make sure your meter is set for the proper thermocouple type you are using Besure the thermocouple you use can withstand the temperature extreme it may be exposed to in your service task e Properly maintain your thermometer and calibrate it regularly Controls and Indicators Kh mx ldir EEG T2 top view MIN UILL 1657 Thermocouple inputs T1 DT301 T1 and T2 DT302 Display Buttons USB jack NN LCD Display Functional Description 2 3 4 5 6 7 10 1 sel 12 Primary Display DT301 T1 reading DT302 T1 T2 reading TYPE KJET Type of thermocouple SETUP Setup is in progress RECALL The logged readings are displayed OFFSET The thermocouple measurement includes an offset HOLD The display readings do not change LOW BATTERY Replace batteries USB The thermometer is connected to a PC via USB interface port LOG Readings are being logged C F K Temperature units Secondary Display Internal temperature
4. finish or affect the reliability of the structural components Storing the Thermocouples The thermocouples with wire spools can be stored in the back of the thermometer 1 2 Wind the wire around the wire spool Thread the end of wire through a hole of the wire spool Thread the end of wire through the other hole of the wire spool Insert the end of wire under the loop and pull the end of wire 14 Battery Replacement Always use a fresh replacement battery of the specified size and type Immediately remove the old or weak battery from the meter and dispose of it in accordance with your local disposal regulations Old or defective batteries can leak chemicals that corrode electronic circuits AN muna To avoid electric shock be sure to turn off the meter s power and disconnect thermocouples from any equipment before you remove or install batteries To install a new battery follow these procedures 1 Remove the screws from the battery compartment cover on the back of the meter and lift the cover Fig 1 2 Remove and discard the old batteries Always dispose of old batteries promptly in a manner consistent with local disposal regulations N WARNING Under NO circumstance should you expose batteries to extreme heat or fire as they may explode and cause injury 3 Place a fresh batteries in the compartment NOTE If you do not plan to use the meter for a month or more remove the battery and store it in a
5. to set the time The display shows 12 00 blinks 3 Press E or MC until the display shows the correct hour 24 hour format and the press GS to store the time in memory NOTE Holding down E or M causes the number to change more quickly Changing the Thermocouple Type I Press BB or HM until the display shows TYPE 2 Press ED to display the thermocouple type choices KJET The currently selected thermocouple type blinks 3 Press ME or MM until the thermocouple type you want appears on the display and then press ES to store the thermocouple type in memory Changing the Auto Power Off Time in minutes The thermometer enters Auto Power Off mode if no button is pressed for 30 minutes Press to turn the thermometer on You can enable or disable Auto Power Off mode and also you can select the Auto Power Off mode and also you can select the Auto Power Off time in minutes among the 9 choices below 00 10h m 2 00 20h m 00 30 h m default 4 00 40 h m 00 50 hm 00 60 h m 7 00 70 h m 00 80h m 97 00 90 h m 1 Press ga or gy until the display shows APO 2 Press ES to display ON or GFF in the time display If OFF is displayed press Ig or yy to select on 3 Press B to display the choice number 3 in the secondary display and 00 30 h m in the time display 4 Press Eu or ga until the display s
6. Ni p K er p co aq ru cc aq a HS ED L gt c 1 800 547 5740 Fax 503 643 6322 www ueitest com email info ueitest com TABLE OF CONTENTS Introduction Salely 229556 cox ede cee wees ed bus tps 1 Controls and Indicators 2 Features LED Display dst eet Ebo bebe er s 3 BUONS siio tah xa e ee RM ER ER bd das 4 5 Setup Instructions SCUUD T EEE 5 Setting Tme Date c cece eee e eee ences 6 Changing Thermocouple Type 6 APO Se e NE E ee ana are car ates fetes ae RS 7 Logging interval 0000 7 8 CONSE OR UU d ie 8 Measuring Temperature Thermocouple ac pt rette b Recto E OPE S 9 DISDlay oe o etr eto roe REED ES 9 PHONG st caret cr a DR E dat cree CN EE 10 Relative Measurment DT301 e 10 MIN MAX AVG assis trea e bet e te RU EUER 10 Usine OlfSel arira Idee rA EAEAN a 11 Using Memory Start Stop Logging 0 ccc cece 000 12 Clearin Memory 2 e ananena 12 View Logged Readings 2 000 12 13 Maintenance SCIVICE escenas Bk ROC RAS ET RRR Ra 13 a ae 14 SOE aena ED 14 Battery Replacement e cece cence 15 Specifications e nannaa 16 17 Introduction The DT301 amp DT302 Features include P67 Water Dustproof rating Large Backlit Multi paramater display Convenient Probe Storage Accepts J K T and
7. gs on the display You can also transfer the logged readings to a PC running the provided WS600 software optional see How to Communicate with a PC WS600 displays the readings on an online form which you can print or store for later use Initial Conditions and Data Entries Logged readings include initial conditions and data entries The initial conditions are the thermocouple type and the offsets for each thermocouple input You can only view initial conditions using WS600 The data entries are a time stamp and the T1 T2 or T1 T2 reading for the DT302 and current reading for the DT301 You can view these values by pressing X71 momentarily or using WS600 The thermometer has 9 999 memory locations The thermometer stores 9 999 sets of temperature readings and one set of initial conditions when logging continuously It stores 9 999 sets of temperature readings and initial conditions when logging individual points manually Starting and Stopping Logging Memory clear and PC communications are in accessible during logging Recall function is enabled during logging 1 Set the time and the logging interval see How to Change Setup Options 2 Press EZ momentarily to start logging The display shows MA 3 Press E29 momentarily again to stop logging Clearing Memory When memory is full Fi appears in the secondary display and logging stops You can clear memory in normal or MIN MAX mode 1 Press
8. hows the Auto Power Off Time choice number you want and then press EJ to store the Auto Power Off setting in memory Auto Power Off mode is automatically disabled in MIN MAX and logging modes Changing the Logging Interval The logging interval determines how often the thermometer stores logged readings in memory You choose the length of the logging interval The thermometer stores logged readings at the end of each logging interval You can select a logging interval of 1 second 1 10 seconds 2 1 minute 2 10 minutes 4 or user defined USE 1 Press EN or EA until the display shows ingi and 1 LOG p 2 Press EP to display the logging interval choices 3 Press ES or EE until the display shows the logging interval you want and then press EP to select 4 If you selected a user defined logging interval 1 second to 23 hours and 59 minutes e Press EN or GEM until the display shows h m or m s and then press ES to select The last number in the time display blinks e Press EN or EN until the logging interval you want appears on the display and then press E to select Holding down I or IM causes the number to change more quickly Changing the Offset You can adjust the thermometer s readings to compensate for the errors of a specific thermocouple The allowable compensation range is 5 0 C or K and 9 0 F DT302 you can store individual offsets fo
9. ity and fitness for a particular purpose are limited to the express warranty UEi shall not be liable for loss of use of the instrument or other incidental or consequential damages expenses or economic loss or for any daim or claims for such damage expenses or economic loss A purchase receipt or other proof of original purchase date will be required before warranty repairs will be rendered Instruments out of warranty will be repaired when repairable for a service charge Return the unit postage paid and insured to 1 800 547 5740 FAX 503 643 6322 www ueitest com Email info ueitest com This warranty gives you specific legal rights You may also have other rights which vary from state to state PLEASE RECYCLE Copyright 2008 UEi DT304 MAN 1 08
10. me settings thermocouple type Auto Power Off mode logging interval and offset Entering and Exiting Setup When the thermometer is in SETUP mode the display always shows SETUP Press 1 for more than 1 second to start or exit SETUP NOTE The meter must be in normal operation mode Not logging or displaying Min Max Avg values e Press wma momentarily or 43 for more than 1 second to exit SETUP NOTE Press Wa or WM to scroll to the setup option you want to change and then press E to accept the selected setup option Setting the Date 1 Entering Setup will show the first option of ance 2 Press ENTER and the display will show YEA 3 Press ME or to select the correct year Press ENTER 11 4 Next the meter will indicate month and day with rade Press EN or HM to select the correct day Press ENTER 5 Press l or HE to select the correct month Press ENTER Setting the Time Units 1 While in SETUP mode scroll until the display shows t E in the primary display and Un E in the secondary display 2 Press GS to indicate you want to set the time units The display shows h m blinks 3 Press E or EE to select the time units you want to display and press GS to store the time units in memory Setting the Time 1 Press E or E until the display shows t E 2 Press ED to indicate you want
11. mode will clear all values Press ESI momentarily to step through the MIN minimum MAX maximum or the AVG average readings in the secondary display The elapsed time since entering MIN MAX mode appears with the average reading or the time at which the MINIMUM or MAXIMUM occurred appears with the MINIMUM or MAXIMUM reading on the display 3 DT302 Press Ei momentarily to toggle showing the maximum MAX of T1 or T2 readings and its displayed time Press E for more than 1 second to show the maximum MAX of T1 T2 reading and its displayed time The minimum MIN or average AVG reading can be displayed in the similar way 3 Press E for more than 1 second or button for more than 1 second to exit MIN MAX mode Using the Offset to Compensate for Probe Errors Use the offset option in SETUP to adjust temperature readings to compensate for the errors of a specified thermocouple 1 Plug the thermocouple into the input terminal 2 Place the thermocouple in a known stable temperature environment such as an ice bath or a dry well calibrator 3 Allow the readings to stabilize 4 In SETUP change the offset until the primary display reading matches the calibration temperature See How to Change Setup Options 3 How to Use Memory During logging session the thermometer stores logged readings in its memory At the end of the logging session you can view the logged readin
12. n area that won t be damaged by a leaking battery 4 Reattach the battery compartment cover to the meter and reinstall the screws 15 Specifications Environmental Operating Temperature 14 to 122F 10 to 50 C Storage Temperature 40 to 140 F 40 to 60 C Humidity Non condensing lt 50 F 10 C 85 RH 50 to 86 F 10 to 30 C 70 RH 86 to 104 F 30 to 40 C 45 RH 104 to 122 F 40 to 50 C Altitude Operating up to 200 m Storage 10000 m General 18 3 H x 9 4 W x 4 3 D cm Weight Approx 460 g 16 2 07 Battery 2 x LRO3 AAA type 1 5V Certification CE Safety IEC 1010 1 2001 UL 3111 1 6 1994 ul EN 61010 1 2001 CSA C22 2 No 1010 1 1992 CAT I OVERVOLTAGE Installation CATEGORY I Pollution Degree 2 per IEC 1010 1 Immersion 30 min IP67 according to IEC 60529 amp Dust proof Thermocouple ped cation DT301 ATT19 J Type 40 950 F 40 510 C 48 w oven clip DT302 ATT39 K Type 40 950 F 40 510 C 48 Teflon coated Wire wrap handle Electrical Measurement range J Type 346 to 2192 F 210 to 1200 C K Type 328 to 2498 F 200 to 1370 C T Type 418 to 752 F 250 to 400 C E Type 238 to 1832 F 150 to 1000 C Display Resolution 0 1 F C lt 1000 1 0 F C gt 1000 Measurement J K T and E Type 0 1 1 0 F 0 5 C Accuracy Below 148 F 100 C add 0 2 of reading for J
13. nd average of the logged readings Press this button for more than 1 second to turn off this display The A function is activated in the RECALL and SETUP mode only Press this button momentarily to freeze or release the displayed readings Press this button for more than 1 second to switch between Celsius C Fahrenheit F and Kelvin K The W function is activated in the RECALL and SETUP mode only Press this button momentarily to recall or stop viewing NE Ens logged readings and MIN MAX readings Press this button for more than 1 second to start or exit SETUP The EXIT function is activated in the RECALL and SETUP mode only Press this button momentarily to start or stop logging Press this button for more than 1 second to clear logged readings ENTER To dear logged data press and hold until Su appears in the lower display To execute the clear press and hold until 1 appears The ENTER function is activated in the SETUP mode only Operating Instructions Before Operating 1 Plug the thermocouple s into the input terminal s 2 Press 3 to turn the instrument on After 1 second the thermometer displays the first reading and its internal temperature If no thermocouple is plugged into the selected input or the thermocouple is OPEN the display shows 1 How to Change Setup Options Use SETUP to reset the thermometer or change the time units ti
14. of the thermometer MEMORY MIN MAX AVG and T1 or T2 DT302 reading Shows the memory location initially when a logged reading is recalled Time Display 24 hour clock shows the INTERVAL length in SETUP Shows elapsed time when AVG is on or before clock has been set Shows the memory time later on when a logged reading is recalled Buttons NOTE Press all the dual function buttons momentarily to activate the Upper Row Function and press these buttons for more than 1 second to activate the Lower Row Functions HB P HOLD E Press this button momentarily to turn the backlight on and off The backlight turns off after 50 seconds without any button pressed If the battery is low the backlight is disabled Press this button for more than 1 second to turn the thermometer on and off DT302 While displaying T1 in the primary display momentarily pressing this button will scroll through T2 or the internal temperature of the meter Press and hold to change primary display to temperature differential T1 T2 While displaying T1 12 in the primary display momentarily pressing this button will scroll through T1 T2 or the internal temperature of the meter in the lower display DT301 Press this button momentarily to enter or exit the RELATIVE mode Press this button momentarily to step through the maximum minimum and average readings in the secondary display When viewing logged readings shows the maximum minimum a
15. r T1 and T2 1 Press EE or EE until the display shows ORN 2 Press EP to display T1 reading blinks T1 offset 3 DT302 Press E to display T1 reading blinks T1 offset Press BRM or MC to display T1 or T2 in the primary display to select 1 input DT301 Press EP to display reading and offset The temperature measurement plus the offset appears in the primary display The offset appears in the secondary display 3 Press ES or EE until the primary display shows the correct reading and then press ES to store the offset setting in memory Remember to reset the offset to 0 0 when it is no longer needed NOTE If T1 or T2 has no offset at all the display does not show WRI Resetting the Thermometer If you want to retore the thermometer settings as delivered from the factory press gg or gg until the display shows St then press ES to display SUE in the primary display Press to exit setup 2 How to Measure Temperature Connecting a Thermocouple Thermocouples are color coded by based on the ANSI color code 1 Plug a thermocouple into the input terminal s 2 Set the thermometer for the correct thermocouple type To change the thermocouple type see How to Change Setup Options Displaying Temperature 1 Press E3 for more than 1 second to select the correct temperature unit 2 Hold or attach the thermocouple s to the measu
16. r the currently measuring data and the contents of the thermometer s memory to a PC using this kit Refer to the HELP menu in the WS600 for further details When the meter starts to send logged readings to a PC while the logging function is activating the logging function is disabled NOTE Logging s disabled while communicating with a PC Maintenance Periodic service anna Repair and service of this instrument s to be performed by qualified personnel only Improper repair or service could result in physical degradation of the meter This could alter the protection from electrical shock and personal injury this meter provides to the operator Perform only those maintenance tasks that you are qualified to do 13 These guidelines will help you attain long and reliable service from your meter 1 Calibrate your meter annually to ensure it meets original performance specifications Keep your meter dry If it gets wet wipe it dry immediately Liquids damage electronic circuits Whenever practical keep the meter away from dust and dirt which can cause premature wear Although your meter is built to withstand the rigors of daily use it can be damaged by severe impacts Use reasonable caution when using and storing the meter Cleaning and Decontamination Periodically clean your meter s case using a damp cloth DO NOT use abrasives cleaning solvents or strong detergents as they may damage the
17. rement location The temperature reading appears in the selected display 3 DT302 Press E momentarily to show T1 reading in the primary display and toggle showing 12 reading or the internal temperature of the thermometer in the secondary display Press E for more than 1 second to show T1 T2 reading in the primary display Press E momentarily to toggle showing T1 T2 or the internal temperature of the thermometer in the secondary display while the primary display shows the T1 T2 reading NOTE The display shows when a thermocouple is not connected The display shows OFL OVERLOAD when the temperature being measured is outside the thermocouple s valid range 9 Holding the Displayed Temperature 1 Press E momentarily to freeze the readings on the display The display shows I 2 Press E3 momentarily again to turn off the SISI function NOTE Press E23 when turning on the thermometer to test the display All display segments appear Using the Relative Measurements DT301 1 Press EB momentarily to enter or exit the RELATIVE mode When the thermometer is in Relative mode the display shows REL The difference value between the stored reference value and the measured reading value appears in the secondary display Viewing the MIN MAX AVG Readings NOTE MIN MAX and AVG values are captured only while this mode s active Exiting the MIN MAX AVG
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