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TABLE OF CONTENTS Introduction ......... .1 Safety .
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Introduction The DT304 Features include • IP67 Water/Dustproof rating • Large Backlit Multi paramater display • Convenient Probe Storage • Accepts J,K,T and E type Thermocouples • Min/Max and Data Hold • 9,999 Memory position Logging with USB software download •...
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Controls and Indicators (top view) 1. Thermocouple T1, T2, T3 and T4 inputs 2. Display 3. Buttons 4. USB jack...
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LCD Display Functional Description 1. Primary Display: T1/T2 or T3/T4 2. TYPE KJET: Type of thermocouple. 3. SETUP: Setup is in progress. 4. RECALL: The logged readings are displayed. 5. OFFSET: The thermocouple measurement includes an offset. 6. HOLD: The display readings do not change. 7.
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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. Press this button momentarily to turn the backlight on and off.
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Press this button momentarily to recall or stop viewing 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.
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Setting the Date 1. Entering Setup will show the first option of “ “ 2. Press “ENTER” and the display will show “ “ 3. Press “ “ or “ “ to select the correct year. Press “ENTER” 4. Next the meter will indicate month and day with “ “.
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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: 1 00:10 h:m...
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4. If you selected a user-defined logging interval (1 second to 23 hours and 59 minutes). • Press “ “ or “ “ until the display shows “h:m” or “m:s”, and then press “ “ to select. The last number in the time display blinks.
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Resetting the Thermometer If you want to retore the thermometer settings as delivered from the factory, press “ “ or “ “ until the display shows “ “ then press “ “ to display “ “ in the primary display. Press “ “...
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Holding the Displayed Temperature 1. Press “ “ momentarily to freeze the readings on the display. The display shows “ HOLD “. 2. Press “ “ momentarily again to turn off the “ HOLD “ function. NOTE: Press “ “ when turning on the thermometer to test the display.
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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).
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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 “ “ momentarily to start logging. The display shows “...
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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. 4. How to Communicate with a PC The thermometer is equipped with an USB interface port. A Windows ®...
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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. 2. Keep your meter dry. If it gets wet, wipe it dry immediately. Liquids damage electronic circuits. 3.
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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. WARNING! To avoid electric shock, be sure to turn off the meter’s power and disconnect thermocouples from any equipment before you remove...
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Specifications Environmental Operating Temperature 14˚ to 122˚F (-10˚ to 50˚C) Storage Temperature -40˚ to 140˚F (-40˚ to 60˚C) Humidity Non condensing <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...
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TP6K K-Type Bead Thermocouple (a standard accessory) Type K-Type, Chromel Alumel, bead style Temperature range -40˚ to +900˚F (-40˚ to +480˚C) Accuracy ±2.0˚F (±1.1˚C) 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˚...
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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.
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