Assessments - 3, GPA: 4
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. Time Display: The elapsed time. 51 & 52 Series II Getting Started Buttons Table 5. Buttons . Press A to turn the thermometer on or off. . (Shift function) Press G, M (CANCEL) to stop displaying the minimum, maximum, and average readings in the secondary display. . Press Q to turn the backlight on and off. The backlight turns off after 2 minutes without any button presses. If the battery is low, the backlight is disabled. . Press M to step through the maximum, minimum, and average readings. When viewing logged readings, shows the maximum, minimum, and average of the logged readings. Press G, M (CANCEL) to turn off this display. . Press C to switch between Celsius (oC), Fahrenheit (oF), and Kelvin (K). . Press h to freeze or unfreeze the displayed readings. Press h when turning on the thermometer to test the display. All display elements appear. . Model 52: Press T to toggle showing the T1, T2, and T1-T2 (differential temperature measurement) in the primary or secondary display. 51 & 52 Series II Users Manual Table 5. Buttons (cont.) . Press D to start or exit Setup. (See "Changing Setup Options.") . Press K to scroll to the Setup option you want to change. Press K to increase the displayed setting. . Press N to scroll to the Setup option you want to change. Press N to decrease the displayed setting. . Press E to enter a Setup option. Press E again to store the displayed setting in memory. 51 & 52 Series II Using the Thermometer Using the Thermometer 1. Plug the thermocouple(s) into the input connector(s). 2. Press A 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 the thermocouple type, offset, sleep mode, and line frequency settings. The thermometer stores the settings in its memory. Setup settings reset only when the batteries are removed for more than 2 minutes. Entering or Exiting Setup When the thermometer is in Setup mode, the display shows s. · Press D to start or exit Setup. Setup Options O p tion Me n u Item Settings Thermocouple Type TYPE J, K, T, or E Offset . T1 or T2 (Model 52) Sleep Mode SL. on (sleep mode on) or 0FF (sleep mode off) Line Frequency L. n. 50 H (50 Hz) or 60 H (60 Hz) 51 & 52 Series II Users Manual Changing a Setup Option 1. Press Kor Nto scroll to the setup option you want to change. 2. Press Eto indicate that you want to change this setting. 3. Press Kor Nuntil the setting you want to use appears on the display. 4. Press Eto store the new setting in memory. Notes Setup is disabled in MIN MAX mode. Offset: The primary display shows the temperature plus the offset and the secondary display shows the offset. Remember to reset the offset to 0.0 when it is no longer needed. The offset automatical lly resets to 0.0 when you change the thermocouple type. Model 52: You can store individual offsets for T1 and T2. Sleep mode: The thermometer enters sleep mode if no button press occurs for 20 minutes. Pressing any button wakes the thermometer and returns it to its previous state. Sleep mode becomes enabled each time you turn on the thermometer and is automatically disabled in MIN MAX mode. Line frequency: For optimum rejection of line noise, the thermometer must be set for the local line frequency. 51 & 52 Series II Measuring Temperatures Measuring Temperatures Connecting a Thermocouple To change the thermocouple type, see “Changing Setup Options.” The North American ANSI Color Code is: Type J K E T N Color Black Yellow Purple Blue Orange 1. Plug a thermocouple into the input connector(s). (Make sure that the polarity is correct.) 2. Set the thermometer for the correct thermocouple type. Displaying Temperatures 1. Press C to select the correct temperature scale. 2. Hold or attach the thermocouple(s) to the measurement location. The temperature reading appears in the primary display. 3. Model 52: Press T 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 0L (overload) when the temperature being measured is outside the thermocouple’s valid range. Model 52: If only thermocouple T2 is connected, the T2 reading appears in the primary display. 51 & 52 Series II Users Manual Holding the Displayed Readings 1. Press h to freeze the readings on the display. The display shows H. 2. Model 52: Press T to toggle showing the T1, T2, or T1-T2 readings in the primary or secondary display. 3. Press h again to turn off the HOLD function. Viewing the MIN, MAX, and AVG Readings 1. Press M 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. 2. Press G, M (CANCEL) to exit MIN MAX mode. Using the Offset to Adjust for Probe Errors Use the o...
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