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DT304

Digital

Temperature

Logger

INSTRUCTION MANUAL

www.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

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Summary of Contents for DT304

Page 1: ...DT304 Digital Temperature Logger INSTRUCTION MANUAL www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 2: ... interval 7 8 Offset 8 Measuring Temperature Thermocouple 9 Display 9 Hold 10 Relative Measurment DT301 10 MIN MAX AVG 10 Using Offset 11 Using Memory Start Stop Logging 12 Clearin Memory 12 View Logged Readings 12 13 Maintenance Service 13 Cleaning 14 Storage 14 Battery Replacement 15 Specifications 16 17 i www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 3: ...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 DT304 thermocouple ports Make sure your meter is set for the proper thermocouple type you are using Be sure the thermocouple you use can withstand the temperature extreme it may be exposed to in your service task Properly m...

Page 4: ...2 Controls and Indicators 1 Thermocouple T1 T2 T3 and T4 inputs 2 Display 3 Buttons 4 USB jack 2 1 3 top view 4 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com ...

Page 5: ...nterface port 9 LOG Readings are being logged 10 C F K Temperature units 11 Secondary Display Internal temperature of the thermometer MEMORY MIN MAX AVG and T1 T2 or T3 T4 reading Shows the memory location initially when a logged reading is recalled 12 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 ...

Page 6: ...old to scroll the secondary display to temperature differential The internal temperature of the meter in the lower display 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 and average of the logged readings Press this button for more than 1 second to turn off this display The funct...

Page 7: ...r 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 time settings thermocouple type Auto Power Off mode logging interval and offset Entering and Exiting Setup When the thermometer...

Page 8: ...nits you want to display and press to store the time units in memory Setting the Time 1 Press or until the display shows 2 Press to indicate you want to set the time The display shows blinks 3 Press or until the display shows the correct hour 24 hour format and the press to store the time in memory NOTE Holding down or causes the number to change more quickly Changing the Thermocouple Type 1 Press...

Page 9: ...n the time display 4 Press or until the display shows the Auto Power Off Time choice number you want and then press 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 inter...

Page 10: ... individual offsets for T1 and T2 1 Press or until the display shows OFFSET 2 Press to display T1 reading blinks T1 offset 3 DT302 Press to display T1 reading blinks T1 offset Press or to display T1 or T2 in the primary display to select 1 input DT301 Press to display reading and offset The temperature measurement plus the offset appears in the primary display The offset appears in the secondary d...

Page 11: ...Temperature 1 Press for more than 1 second to select the correct temperature unit 2 Hold or attach the thermocouple s to the measurement location The temperature reading appears in the selected display 3 Press momentarily to toggle T1 T2 or T3 T4 reading in the primary display Press for more than 1 second to scroll T1 T2 T3 T4 or meters internal temperature reading in the secondary display NOTE Th...

Page 12: ...the secondary display The actual time of the captured value 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 momentarily to toggle showing the maximum MAX of T1 T2 T3 orT4 readings and its displayed time Press for more than 1 second to show the maximum MAX of T1...

Page 13: ...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 usin...

Page 14: ...tarily 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 appears in the secondary display and the thermometer returns to the previous mode 2 Press to scroll through the logged readings The display shows each logged reading and its time stamp which is displayed 2 seconds after its memory ...

Page 15: ...hermometer 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 is disabled while communicating with a PC Maintenance Periodic service WARNING Repair and service of this instrument is to be performed by qualified personnel o...

Page 16: ...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 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 Wind the wire around the wire...

Page 17: ...ve 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 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 NO...

Page 18: ...rating up to 200 m Storage 10000 m Dimension 18 3 H x 9 4 W x 4 3 D cm 7 20 x 3 70 x 1 70 Weight Approx 460 g 16 2 oz Battery 2 x LR03 AAA type 1 5V Certification CE Safety IEC 1010 1 2001 UL 3111 1 6 1994 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 Dust proof www GlobalTestSupply ...

Page 19: ... Type Temperature 0 01 of reading 0 1 F per F 0 05 C per C Coefficient for 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 App...

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