Manual - Major Tech
Contents
1. MT632 Dual Channel Digital Thermometer User Manual 2012 MAJOR TECH LTD rights reserved Contents 1 Specifications 2 Features 3 Button 6 4 Setup Options m 5 Auto Power Off mode 6 Measuring Temperatures The two input contact thermometers offer fast response and laboratory accuracy These thermometers work with tow K type or J type thermocouples as temperature sensors and it offered 0 1 C 0 1 Fresolution 1 Specifications General Specifications Battery AAA 3 x 1 5V Operating Temperature 0 C to 50 C 4 F to 122 F Noncondensing Storage Temperature 10 C to 50 C 14 F to 122 F Temperature Range K type thermocouples 200 C to 1372 C 328 F to 2501 F J type thermocouples 210 C to 1100 C 346 F to 2012 F Temperature accuracy 1 2 0 15 rgd 1 C 1 8 F Above 100 C 148 F 1 2 0 5 2 3 6 F Blow 100 148 F T1 T2 0 5 rgd 1 C 1 8 F Display Resolution 0 1 C 1000 1 C F K gt 1000 2 Features Large backlit display shows any combination of T1 T2 T1 T2 plus MAX MIN AVG Relative time clock on MAX MIN and AVG provides a time reference for major events Electronic Offset function allows compensation of thermocouple errors to maximize overall accuracy Work with tow K type or J type thermocouples as temperature sensors Reado2. Telephone 27 0 11 822 1551 Sales Fax 27 0 11 822 2806 Admin Fax 27 0 11 822 1411 National Telephone 0861 MAJORT 62 5678 E mail sales major tech com www major tech com 2012 MAJOR TECH PTY LTD All rights reserved E amp OE
3. d the secondary display shows the offset You can store individual offsets for T1 T2 5 Auto Power Off mode The thermometer enters sleep mode default That is to say the meter will automatically shut off after 20 minutes if no button press occurs for 20 minutes When the thermometer is in Setup mode the display shows SETUP Press 49 or to scroll to the SLP Press to indicate On or OFF Press or D I until the setting you want to use appears on the display Press to store the new setting in memory On sleep mode on or OFF sleep mode off 6 Measuring Temperatures Connecting a Thermocouple To change the thermocouple type see Changing Setup Options The North American ANSI Color Code is Type J K Color Black Yellow Plug a thermocouple into the input connector s Make sure that the polarity is correct Set the thermometer for the correct thermocouple type Displaying Temperatures to select the correct temperature scale Hold or attach the thermocouple s to the measurement location The temperature reading appears in the primary display Press to toggle between showing the T1 T2 and T1 T2 readings in the primary or secondary display Notes The display shows when a thermocouple is not connected The display shows OL overload when the temperature being measured is outside the thermocouple s valid range Holding t
4. er Off mode sign Primary Display T1 T2 T1 T2 reading The temperature units Secondary Display MAX MIN AVG or offset T1 or T2 reading MAX MIN AVG display 9 Time display 10 Min sec or hour min Display 11 Thermocouple type K or J 12 Low battery Replace the batteries Ur 4 Using the thermocouple s Plug the thermocouple s into the T1or T2 input connector s Press to turn on the thermometer After 1 second the thermometer displays the first reading If no thermocouple is plugged into the selected input or the thermocouple is open the display shows Changing Setup Options Use Setup to change offset sleep mode settings The thermometer stores the settings in its memory 4 Setup Options Option Menu item Settings Type TYPE KorJ Offset OFFSET T1 or T2 Sleep Mode SLP On sleep mode on or OFF sleep modeoff Entering or Exiting Setup When the thermometer is in Setup mode the display shows SETUP Press button for 3 seconds start or exit Setup Changing a Setup Option Press D I to scroll to the setup option you want to change Press to indicate that you want to change this setting Press or EI until the setting you want to use appears on the display Press to store the new setting in memory Notes Setup is disabled in MIN MAX mode Offset The primary display shows the temperature plus the offset an
5. he Displayed Readings Press to freeze the readings on the display The display shows HOLD Press to toggle showing the T1 T2 or T1 T2 readings in the primary or secondary display Press 8 again to turn off the HOLD function Viewing the MIN MAX and AVG Readings Press to step through the maximum MAX minimum MIN or the average AVG readings The elapsed time since entering MIN MAX mode or the time at which the minimum or maximum occurred appears on the display Press button for 3 seconds to exit MAX MIN and AVG mode Using the Offset to Adjust for Probe Errors Use the offset option in Setup to adjust the thermometer s readings to compensate for the errors of a specific the thermocouple and IR temperature The allowable adjustment range is 5 0 OC or 9 0 OF Plug the thermocouple into the input connector Place the thermocouple in a known stable temperature environment such as an ice dry well calibrator Allow the readings to stabilize n Setup change the offset until the primary reading matches the calibration temperature Changing Setup Options 10 Replacing the Batteries Turn off the thermometer if necessary Loosen the screw and remove the battery door Replace 1 5V batteries Replace the battery door and tighten the screw 11 MAJOR TECH rz Cnr Rover amp Jaguar Roads Rustivia Ext 3 Elandsfontein P O Box 888 Isando 1600 South Africa
6. ut in F or Kelvin Auto Power Off mode Sleep mode increases battery life 3 Button Press to turn the thermometer on or off When the thermometer is in Setup mode press lt to enter a setup option and press again to store the displayed setting in memory Press 3 to toggle showing the T1 T2 and T1 T2 differential temperature measurement in the primary and secondary Press to switch between Celsius C Fahrenheit F and Kelvin K Press 8 to freeze or unfreeze the displayed readings When the thermometer is in Setup mode press Ato scroll to the Setup option you want to change or press increase the displayed setting Press to step through the maximum minimum and average readings When readings shows the maximum minimum and average of the logged readings To exit the MIN MAX AVG mode press the S button for 3 seconds to return to normal operation When the thermometer is in Setup mode press to scroll to the Setup option you want to change or press to decrease the displayed setting D I button to turn on the backlight Press it again to turn off the backlight Press button for 3 seconds to start or exit Setup See Changing Setup Options Display Elements 1 2 3 Lo SETUP OFFSET HOLD e Ti 5 C T2 IR e K Ti T2 12 REC MAX MIN AVG u _ t8 88 A Entering or Exiting Setup Offset option Freeze the displayed readings Auto Pow
Download Pdf Manuals
Related Search