Model 532 Operating Instructions
82 E. Main Street Suite 3.14 • Webster, NY 14580
Tel: 585-872-9350 • Fax: 585-872-2638
sales@piecal.com • http://www.piecal.com/
Practical Instrument Electronics, Inc. Copyright 2011. All rights reserved.
532-9002 Rev C 7/13/11
3-8
C. EZ-Dial Knob
Adjust the output up and down with the EZ-Dial knob. The increment is 0.001 mA (or 0.01 % if display
units are % of 4-20 mA.) Press while turning to adjust 100X faster – 0.100 mA (or 1.00 %.)
D. EZ-Check Switch
The EZ-Check™ switch has three positions -- high, set, and low. Its position is shown at the left edge of
the display with “HI” and “LO” indicators. Use of the EZ-Check switch depends on mode:
Source Modes:
Slide the EZ-Check switch to the HI and LO positions to recall the settings stored in those
positions. While in the HI and LO positions, dial the EZ-Dial knob to change the display. Press
STORE/CLEAR to save new settings in the HI and LO positions. The display will flash “STORED” to
confirm.
Hint: For faster calibrations, the position of the switch can be felt. This feature allows continuous
monitoring of the device being calibrated without looking back at the Model 532 display. This is also useful
in poor lighting or under difficult operating conditions.
Read Modes:
In read modes, the Model 532 calibrator records the maximum and minimum readings observed in
each mode. Slide the EZ-Check switch to the HI and LO positions to display the readings. Press
STORE/CLEAR to clear the readings. The display will flash “CLEARED” to confirm.
By default, the Model 532 has EZ-Check HI/LO Readings OFF. Refer to Model 532 Configuration, section
B.
E. EZ-Step Pushbutton/ Manual Step
The EZ-Step pushbutton is a feature only in source modes.
Press and hold the EZ-Step pushbutton for less than one second to cause the output to step up or down
by the EZ-Step size.
The EZ-Step direction is indicated on the display ( or ). Press the EZ-Dial knob to change the
step direction.
Stepping and auto step/ramp limits are defined by the EZ-Check HI and LO settings. The step direction
changes when a limit is reached.
The step size is computed as the difference between the EZ-Check HI and the EZ-Check LO divided by
the number of steps. See section H.
By default, the Model 532 has EZ-Step OFF. Refer to Model 532 Configuration, section B.
F. Auto Step/Ramp
Press the EZ-Step pushbutton for more than one second to activate auto step/ramp mode. The Model
532 will automatically step by the selected EZ-Step size and time. Press the EZ-Step pushbutton again
to deactivate auto step/ramp mode.
The EZ-Step direction is indicated on the display ( or ). Press the EZ-Dial knob to change the
step direction. The step direction can be changed while automatically stepping/ramping.
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