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Operating Instructions
Basic Operation
EZ-CHECK™ SWITCH
SOURCE: Instantly output two preset settings by moving the
EZ-CHECK™ switch to the "LO" position or "HI" position. For fast
three point checks select the "SET" position. The PIECAL 820
will remember the last "SET" value, even with the power off.
These values can easily be changed to suit the calibration requirements.
The values stored in the HI and LO positions are also used for Auto
Stepping.
READ: Slide the switch to the SET position. The PIECAL 820 will
display the current reading from the sensor or device being measured.
Slide the switch to MAX and the highest value measured since turn-on
or reset will be displayed; slide the switch to MIN and the lowest value
measured since turn-on or reset will be displayed.
SOURCE
HI
MAX
SET
READ
LO
MIN
READ
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Operating Instructions
Basic Operation
SOURCE/OFF/READ Switch
Select "SOURCE" to output mA, V, T/C, Ohms, RTD or frequency.
Select "READ" to read mA, V, T/C, Ohms, RTD or frequency.
EZ-DIAL™ KNOB
SOURCE: Turn the knob to adjust the output level. Turn clockwise to
increase the output, counter clockwise to decrease the output in one
least significant digit steps at a time. Push down and turn the
EZ-DIAL knob for faster dialing.
Press and hold the knob for two seconds to store desired
EZ-Check™ HI/LO points in SOURCE mode. Continue to press and
hold the knob for two more seconds to start the automatic ramping.
READ: Press and hold to transfer the current temperature into
the EZ-Check™ MIN/MAX points. This clears the MIN/MAX
readings which will update as the input value changes.
SELECTING FUNCTIONS
The EZ-DIAL knob is used to setup the PIECAL 820 to match
the instrument to be calibrated or signal to be measured. Each
time you turn on the PIECAL 820 the LCD displays the following
screen for about 1 second followed by operating in the function
used the last time it was operated.
PIECAL 820
DOUBLE CLICK
EZ-DIAL KNOB
FOR CONFIGURATION
Double Click the EZ-DIAL knob to change the function of the
calibrator and to select ranges, units and other user settings.
Each function (mA, V, T/C, Ohms, RTD, Frequency) has two
pages of menus. The first menu page has settings for the func-
tion and the second menu page has settings for STEPPING,
AUTO OFF and BACKLIGHT. Settings are remembered even
with the power off but are reset when the batteries are changed.
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