Tenma 72-7712 Operating Manual
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Tenma 72-7712 Operating Manual

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72-7712
72-7715
Digital
Thermometers
P/N:

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Summary of Contents for Tenma 72-7712

  • Page 1 72-7712 72-7715 Digital Thermometers P/N:...
  • Page 2 Model 72-7712/72-7715 OPERATING MANUAL...

  • Page 3: Table Of Contents

    Model 72-7712/72-7715: OPERATING MANUAL Table of Contents 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)
  • Page 4 Model 72-7712/72-7715: OPERATING MANUAL Title Page Enabling or Disabling Over Limit Signal Output Enabling or Disabling Normal Temperature Compensation (NTC) Enabling or Disabling Debug Measuring Temperatures Connecting a Thermocouple Displaying Temperatures Holding the Displayed Temperatures Turning on and off of display backlight...
  • Page 5 Model 72-7712/72-7715: OPERATING MANUAL Title Page Maintenance Replacing the Battery Cleaning the Case Specifications Environmental General Electrical...

  • Page 6: Safety Information

    R-, S- and N- type thermocouples (temperature probes) as temperature sensors. 72-7712: T1 and T2, suitable for K-, J-, T- and E- type thermocouples 72-7715: T1 and T2, suitable for K-, J-, T-, E-, R-, S- and N- type thermocouples.
  • Page 7 Model 72-7712/72-7715: OPERATING MANUAL Refer to safety information in Table 1 and the international symbols in Table 2. Table 1. Safety Information Warning A warning identified conditions and actions that pose hazards to the user. To avoid electrical shock or personal injury, follow these guidelines: Before using the thermometer inspect the case.
  • Page 8 Model 72-7712/72-7715: OPERATING MANUAL Caution A caution identifies conditions and actions that may damage the meter or the equipment under test. Use the proper thermocouples, function, and the range of your thermometer. When carrying two thermocouples measurement, make sure there are no potential differences between two thermocouples.

  • Page 9: Getting Started

    Model 72-7712/72-7715: OPERATING MANUAL Getting Started Everything in this Users Manual applies to all Models of 72-7712 and 72-7715 unless otherwise 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.

  • Page 10: Components

    Model 72-7712/72-7715: OPERATING MANUAL Figure 1. Components...
  • Page 11 Model 72-7712/72-7715: OPERATING MANUAL Table 3. Components Display Buttons Thermocuple T1 input Thermocouple T2 input (72-7715 only) USB Port SIGN Port - Over Limit Signal Output (72-7715 only) Battery Door 9V battery (6F22 )

  • Page 12: Display Elements

    Model 72-7712/72-7715: OPERATING MANUAL...
  • Page 13 Model 72-7712/72-7715: OPERATING MANUAL Table 4. Display Elements Setup is in progress when the icon blinks Display readings of maximum, minimum and average Data Transferring is in progress Logged readings are displayed when the icon blinks Low battery. Replace the battery...
  • Page 14 Model 72-7712/72-7715: OPERATING MANUAL Figure 3 72-7712 and 72-7715 button set...

  • Page 15: Buttons

    Model 72-7712/72-7715: OPERATING MANUAL Table 5. Buttons Press to turn the thermometer on or off Press to turn the display backlight on and off. Press to freeze or unfreeze the displayed readings HOLD ∫C ∫F Press to switch between Celsius (∫C), Fahrenheit(∫F), and Kelvin (K) Press to step through the maximum, minimum, and average readings.
  • Page 16 Model 72-7712/72-7715: OPERATING MANUAL Table 5. Buttons Press to start or exit Setup. SETUP Press to scroll the Setup option you want to change (See ìChanging Setup Optionsî) After entering the Setup mode, press to increase the displayed setting. (See ìChanging Setup Optionsî) After entering the Setup mode, press to decrease the displayed setting.

  • Page 17: Using The Thermometer

    Model 72-7712/72-7715: OPERATING MANUAL Using the Thermometer 1) Plug the thermocouple(s) into the input connector(s). 2) Press the power button to turn on the thermometer. 3) Set the type of thermocouple(s) to be same of the type plug into the input connector(s).

  • Page 18: Entering And Exiting Setup

    Model 72-7712/72-7715: OPERATING MANUAL When the thermometer is in Setup mode, the display shows and blinks SETUP. Press SETUP to start or exit Setup. Press SETUP to scroll the Setup option you want to change after The logging interval determines how often the thermocouple stores logged readings in memory.

  • Page 19: Changing The Thermocouple Type

    Model 72-7712/72-7715: OPERATING MANUAL 1. Press SETUP until the display shows TYPE. 2. Press to select the thermocouple type you want including K-, J-, E- type (72-7715 have extra R-, S- and N- type). 1. Press SETUP until the display shows OFFSET and T1 2.

  • Page 20: Sleep Mode

    Model 72-7712/72-7715: OPERATING MANUAL...

  • Page 21: Setting The Low Limit Alarm (Lo)

    Model 72-7712/72-7715: OPERATING MANUAL 6. The system time is counted when the user turning on the thermometer. It zeros automatically when the electricity is cut. Setting the Low Limit Alarm (Lo) ((Only 72-7715) ÿ The minimum reading of the low alarm of K type is -200∫C.

  • Page 22: Setting The High Limit Alarm (Hi)

    Model 72-7712/72-7715: OPERATING MANUAL...
  • Page 23 Model 72-7712/72-7715: OPERATING MANUAL...

  • Page 24: Enabling Or Disabling Over Limit Signal Output

    Model 72-7712/72-7715: OPERATING MANUAL Enabling or Disabling Over Limit Signal Output (Only 72-7715)

  • Page 25: Enabling Or Disabling Debug

    Model 72-7712/72-7715: OPERATING MANUAL Enabling or Disabling Debug (Only 72-7715)

  • Page 26: Measuring Temperatures

    Model 72-7712/72-7715: OPERATING MANUAL...

  • Page 27: Displaying Temperatures

    Model 72-7712/72-7715: OPERATING MANUAL...

  • Page 28: Using The Offset To Adjust Probe Errors

    Model 72-7712/72-7715: OPERATING MANUAL...

  • Page 29: Debug

    Model 72-7712/72-7715: OPERATING MANUAL...

  • Page 30: Using Memory

    Model 72-7712/72-7715: OPERATING MANUAL...

  • Page 31: Viewing Logged Readings

    Model 72-7712/72-7715: OPERATING MANUAL...

  • Page 32: Clearing Memory

    Model 72-7712/72-7715: OPERATING MANUAL 1. Press STORE to enter logging mode, the display shows DATA and blinks. 2. Press and hold down STORE 2 seconds, the display shows CLR. 3. Press ENTER to delete all the logged readings from memory. It is not possible to delete the logged readings one by one.

  • Page 33: Maintenance

    Model 72-7712/72-7715: OPERATING MANUAL Maintenance Replace the batteries as soon as the battery indicator appears. The possibility of false readings can 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.
  • Page 34 Model 72-7712/72-7715: OPERATING MANUAL...
  • Page 35 Model 72-7712/72-7715: OPERATING MANUAL...
  • Page 36 Model 72-7712/72-7715: OPERATING MANUAL...
  • Page 37 Model 72-7712/72-7715: OPERATING MANUAL ** END **...
  • Page 38 Model 72-7712/72-7715: OPERATING MANUAL Copyright 2007 Tenma Test Equipment. All rights reserved. Tenma Test Equipment 405 S. Pioneer Blvd. Springboro,Ohio 45066 www.tenma.com...

This manual is also suitable for:

72-7715

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