Practical Instrument Electronics 512 - Manual

Practical Instrument Electronics
Model 512
RTD Calibrator
Operating Instructions
Basic Keypad Operations
1
EZ-Check™ Switch
Slide the switch to select from three user stored values for the desired
calibration points. The user can select HI, DIAL, and LO positions.
These values can easily be changed to suit the calibration
requirements.
2
SIMULATE/OFF/READ Switch
Turn the Model 512 on to SIMULATE to output a
resistance corresponding to temperature. Turn
the unit to READ to read RTD resistance directly
in temperature.
3
EZ-Dial™ Knob
Turn the knob to change temperature in 0.1º
increments. Push and turn for faster dialing.
Push without turning to store new EZ-Check™
HI/LO points in SIMULATE mode, or to clear EZ-
Check™ HI/LO points in READ mode.
Model 512 Configuration
Instructions for Enabling and Disabling the Configuration Options
1. Turn the Model 512 on to SIMULATE or READ.
2. Press the EZ-Dial Knob while the “PRESS EZ-DIAL KNOB FOR CONFIGURATION”
message is displayed.
3. Select options by turning the EZ-Dial Knob until the arrow points to the desired
option.
4. The option can be enabled or disabled by tapping the EZ-Dial Knob.
The Model 512 configuration menu will exit automatically after 5 seconds of inactivity and go
to normal operation with the options selected. These options are recalled at turn on until they
are changed again.
Model 512 Configuration Menu
Auto Off ON/OFF
If Auto Off is ON, the unit will turn off after 30 minutes to save battery life, if there is no user activity. If Auto Off is OFF the unit will
stay on until it is turned off from the keypad. This is typically useful for manual loading or continuous use.
Display Units °C/°F
Pressing the EZ-Dial Knob to toggles between °C or °F
RTD Pt100 α=3850, Pt100 α=3902, Pt100 α=3916, Pt100 α=3926,
Cu10 α=427, Ni110 Bristol, Ni120 α=672, Ω
To change RTD type, press the EZ-Dial™ Knob. Turn the EZ-Dial™ Knob to scroll through the list of available types. Press again to
save and return to the configuration menu.
841 Holt Road #1 • Webster, NY 14580 Tel: 585-872-9350 • Fax: 585-872-2638 [email protected] • http://www.piecal.com/
Practical Instrument Electronics, Inc. Copyright  2003. All rights reserved. 512-9002 2/25/04 1-4