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button stores the selection. If the MODE button or CLR button is pressed with
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out pressing ENT the unit remains unchanged. Once the unit is selected, subse
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quent measurements will appear in that unit. After the Min/Max and Delta(x)
modes are initiated, their values are automatically converted when changing
units between °C, K, °F, or R. Changing units from Ω to any temperature unit
or visa versa, reinitializes the Min/Max and Delta(x) modes. Any previously
Min/Max and Delta(x) values are lost.
Note: When measuring in units of ohms, make sure that the appropriate probe
type has been selected in the Cal Mode menu. For example, to measure a resis
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tor between 0 and 400 ohms, set the units to ohms and select the appropriate
probe type such as "CVD". To measure a resistor between 400 and 500K ohms,
set the units to ohms and select the appropriate probe type such as "THERM".
7.7 Rate
This mode is identified by “Rate: 00000" that appears on the display.
This mode allows you to set the samples that are transmitted from the serial
port. The sample for a 2-wire and a 4-wire probe is approximately one second
and for a 3-wire probe is approximately two seconds. For example, if the rate is
set to 2, every other sample is sent to the serial interface. A value of 0 disables
transmission. The Up and Down buttons are used to increase or decrease the
value for the underlined digit. The ENT button moves to the next digit. If the
ENT button is pushed when the last digit is underlined, the setting is stored. If
the MODE button or CLR button is pressed, the value remains unchanged.
Once the value is set measurements will be transmitted from the serial port at
the given interval.
7.8 Resolution
This mode is identified by “Resol: XXX.XXX” that appears on the display.
This mode allows you to set the resolution of measurements to one, two, or
three digits after the decimal point. The Up and Down buttonsareusedtoin
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crease or decrease the resolution setting. The ENT button stores the setting. If
the MODE button or CLR button is pressed, the setting remains unchanged.
Once the resolution is set, measurements are displayed and transmitted from
the serial port at the given resolution, if possible. The resolution may be re
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duced if necessary for large values of temperature or resistance.
7.9 CAL MODE
The calibration menu contains functions for setting probe and instrument cali
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bration parameters. Press and hold the MODE button for three seconds to enter
the calibration menu. "CAL MODE" appears on the display. Press the ENT
button to advance.
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7 Display Functions
Rate