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Practical Instrument Electronics

82 East Main Street Suite 3.14 • Webster, NY 14580 Tel: 585.872.9350 • Fax: 585.872.2638 • [email protected] • www.piecal.com

Page 1

Product Description

•   

Easy to use

With the PIECAL 211 you can check & calibrate all 

your RTD instruments and measure RTD Sensors. 

Automatic indication of connections on the display for 

simple hookups.

•   

Take it into the shop, plant or field

Carry it without worry - it comes protected with a 

rubber boot and rugged, low profile switch. Easy to 

operate even in the dark areas of the plant with the 

backlit display.

•   Calibrate directly in temperature (°C & °F)

Stop carrying around a decade box and RTD 

resistance tables. The PIECAL 211 works with the 

RTDs you use including Platinum 100 (alpha = 3850, 

3902, 3926) & 1000 (alpha = 3850, 3750) Ohm, 

Copper 10 & 50 Ohm, Nickel 100 and 120 Ohm. 

Easily set any value quickly to within 0.1° with the 

adjustable digital potentiometer “

DIAL

” plus store any 

three temperatures for instant recall with the 

EZ-CHECK™ switch.

•   Calibrate quickly with automatic output stepping

Choose between 2, 3, 5, 11 and 21 steps to 

automatically increment the output in 100%, 50%, 

25%, 10% or 5% of span. Select the step time to 

match your system from 5, 6, 7, 8, 10, 15, 20, 25, 30 

and 60 seconds.

•   Compatible with all process instruments

Connect directly to the RTD inputs of smart 

transmitters, PLCs, DCS and multichannel recorders and verify their outputs or 

displays. Works with older instruments with fixed excitation currents and newer 

multichannel instruments that switch the excitation current between input channels.

•   Measure RTD Sensors

Trouble shoot sensor connections and find broken wires with patented technology. Connect your 

two, three or four wire RTDs and the PIECAL 211 automatically detects the connections and 

measures the RTD in degrees C or F. 

PIECAL 211

Automated Universal RTD Calibrator

 

Operating Instructions

PIECAL 211

Automated Universal RTD Calibrator

 

Operating Instructions

Copyright © 2011 All rights reserved  • 211-9002 - Rev D 13 July 2011

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Summary of Contents for PIECAL 211

Page 1: ...s for instant recall with the EZ CHECK switch Calibrate quickly with automatic output stepping Choose between 2 3 5 11 and 21 steps to automatically increment the output in 100 50 25 10 or 5 of span Select the step time to match your system from 5 6 7 8 10 15 20 25 30 and 60 seconds Compatible with all process instruments Connect directly to the RTD inputs of smart transmitters PLCs DCS and multic...

Page 2: ...k HI LO points in SIMULATE 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 HI LO points This clears the HI LO temperature readings which will update as the temperature changes Double click the knob to get into the PIECAL 211 Configuration Mode Use configuration to select C or F T ...

Page 3: ...ob will toggle between C and F RTD pressing the knob will cycle through the various RTD Pt Cu Ni at different base resistances and alpha values BACKLIGHT If BACKLIGHT is ON the backlight will light all the time the unit is powered up For maximum battery life turn the backlight off when using the calibrator in areas with enough ambient light to read the display STEPS pressing the knob will cycle th...

Page 4: ... the calibrator Calibrating RTD Instruments 3 2 2 1 THERMOCOUPLE CALIBRATOR J T E K mV HI Pt100 α 385 AUTOMATED RTD CALIBRATOR READ SOURCE HI SET LO MAX READ MIN OVERLOAD Push Hold to Store Step Push Turn for Fast Dialing Double Click for Options OFF C 3W 2W 1W 4W 100 0 READ Choose this function to measure temperatures with an RTD probe or sensor 1 Disconnect the RTD sensor from any other device 2...

Page 5: ...cing the EZ CHECK Switch into the HI or LO position then press and hold the e DIAL KNOB for 6 seconds the word STORE will appear on the display after 3 seconds and continue to press the DIAL KNOB until the word STEPPING appears on the display The word STEPPING will appear on the display anytime the selected automatic function is running Stop the stepping by again pressing and holding the e DIAL KN...

Page 6: ...328 0 to 392 0 392 0 to 1200 0 5 0 7 Pt 100 Ohm US Lab 1 3926 0 003926 200 0 to 100 0 100 0 to 700 0 700 0 to 862 2 0 3 0 4 0 5 328 0 to 212 0 212 0 to 1292 0 1292 0 to 1584 0 0 5 0 7 0 8 Pt 1000 Ohm 1 3850 0 00385 200 0 to 200 0 200 0 to 266 0 0 3 0 4 328 0 to 392 0 392 0 to 511 0 0 5 0 7 Pt 1000 Ohm Hy Cal HVAC 1 3750 0 00375 200 0 to 200 0 200 0 to 274 0 0 3 0 4 328 0 to 392 0 392 0 to 525 0 0 ...

Page 7: ...nst misconnection Over voltage protection to 60 V dc rated for 30 seconds Display High contrast graphic liquid crystal display LED backlighting for use in low lit areas Read Excitation Current 0 5 mA nominal Normal Mode Rejection 50 60 Hz 50 dB Common Mode Rejection 50 60 Hz 120 dB PIECAL 211 Specifications Unless otherwise indicated all specifications are rated from a nominal 23 C 70 RH for 1 yea...

Page 8: ...ondition shall Practical Instrument Electronics Inc be liable for any special incidental or consequential damage Additional Information This product is calibrated on equipment traceable to NIST and includes a Certificate of Calibration Test Data is available for an additional charge Practical Instrument Electronics recommends a calibration interval of one year Contact your local representative for...

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