Practical Instrument Electronics 322-1 User Manual

Practical Instrument Electronics

82 E. Main Street Suite 3.14 • Webster, NY 14580 Tel: [phone] • Fax: [phone] • [e-mail] • www.piecal.com

Automated Thermocouple Calibrator

• Easy to use

With the PIECAL 322 you can check & calibrate all your
thermocouple instruments and measure thermocouple sensors.
Plug in any thermocouple via a miniature thermocouple jack.

• 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 millivolt source and thermocouple tables.
The PIECAL 322 works with the thermocouples you use including
types J, K, T, and E. 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. Or
calibrate from -13.999 to +80.000 mV.

PIECAL 322

•

Fast calibration 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

No competitor’s calibrator is compatible with as many process
instruments! Connect directly to the thermocouple inputs of smart
transmitters, PLCs, DCS and multichannel recorders and verify
their outputs or displays. Works with older instruments and newer
multichannel instruments that switch between input channels.

• Measure thermocouple sensors

Trouble shoot sensor connections and find broken wires or corroded connections. Connect your thermocouple
with a miniature thermocouple connector and the PIECAL 322 measures the probe in degrees C or F.

Actual Size

• Evolutionary design

PIECAL Calibrators are designed and built by members of the same team that designed and built the calibrators
manufactured by Fluke* under the Altek* label. The PIECAL 322 improves upon other brands by including a rubber
boot, tilt stand, backlit display with larger digits, rugged switches and a battery compartment for fast battery
changes.

* PIECAL Calibrators are not manufactured or distributed by Fluke
Corp or Altek Industries Inc, manufacturers of Altek Calibrators.

Practical Instrument Electronics

841 Holt Road #1 • Webster, NY 14580

Tel: [phone] • Fax: [phone]

[e-mail] • www.piecal.com

Copyright © 2011 All rights reserved 322-9001 - Rev D 19 July 2011

PIECAL 322 Specifications

(Unless otherwise indicated all specifications are rated from a nominal 23°C, 70% RH for 1 year from calibration)

General

Accuracy ±(0.008% of Reading + 0.006 mV)

Cold Junction Compensation

Millivolt Range -13.000 to 80.000 mV

Operating Temp. Range -25 to 60 °C (-10 to 140 °F)

Relative Humidity Range 10 % ≤RH ≤90 % (0 to 35 °C), Non-condensing

Size L=5.63 x W=3.00 x H=1.60 inches

Weight 12.1 ounces (including boot & batteries)

Batteries Four “AA” Alkaline 1.5V (LR6)

Battery Life

Optional NiMh

Rechargeable battery kit

Protection against

misconnection

Display High contrast graphic liquid crystal display. LED

± 0.16°F (±0.1 °C)

10 % ≤RH≤ 70 % (35 to 60 °C), Non-condensing

50 Hours; Low Battery indication with 1 hour life left

120 VAC for North America Only; charger, four
NiMh batteries, AC & DC cords [Part # 020-0103]

Over-voltage protection to 60 V dc (rated for 30
seconds)

backlighting for use in low lit areas.

Ranges & Accuracies

T/C Degrees C

Range

J -200.0 to -180.0 ±0.3° -346.0 to -292.0 ±0.5° +Iron

-180.0 to -50.0 ±0.2° -292.0 to -58.0 ±0.4°

-50.0 to 500.0 ±0.1° -58.0 to 932.0 ±0.2°

500.0 to 1200,0 ±0.2° 932.0 to 2192.0 ±0.4°

°C Degrees F

Range

°F T/C

Material

-Connstantan
Jacket

Read

Input Impedance

Open Thermocouple

Threshold

Pulse

Normal Mode Rejection 50/60 Hz, 50 dB

Common Mode Rejection 50/60 Hz, 120 dB

Source

Output Impedance < 0.3 Ohms

Source Current > 20 mA (drives 80 mV into 10 Ohms)

Noise

> 10 Megohms

10,000 Ohms nominal

< 10 microamp pulse for 300 milliseconds

≤ 4 microvolts p-p for frequencies of 10 Hz or below

Accessories

Included:

Rubber Boot, Four “AA” Alkaline batteries, Certificate of Calibration
Small Carrying Case with PIE Logo Part No. 020-0205

Optional:

Ni-MH 1 Hour Charger with 4 Ni-MH AA Batteries Part No. 020-0103
(100-120 V AC input for North America Only)
T/C Wire Kit 1 for Types J, K, T & E Part No. 020-0202
T/C Wire Kit 2 for Types B, R/S & K Part No. 020-0203

Three feet (1 meter) of T/C extension wire, stripped on one end with
a miniature T/C male connector on the other end.

K -230.0 to -100.0 ±0.6° -382.0 to -148.0 ±1.1° + Chromel®

-100.0 to 1050.0 ±0.2° -148.0 to 1922.0 ±0.4°

1050.0 to 1371.1 ±0.3° 1922.0 to 2500.0 ±0.5°

T -260.0 to -200.0 ±1.0° -436.0 to -328.0 ±1.8° +Copper

-200.0 to -50.0 ±0.5° -328.0 to -58.0 ±0.9°

-50.0 to 0.0 ±0.2° -58.0 to 32.0 ±0.4°

0.0 to 400.0 ±0.1° 32.0 to 752.0 ±0.2°

E -240.0 to -200.0 ±0.4° -400.0 to -328.0 ±0.7° +Chromel

-200.0 to -100.0 ±0.2° -328.0 to -148.0 ±0.4°

-100.0 to 850.0 ±0.1° -148.0 to 1562.0 ±0.2°

850.0 to 1000.0 ±0.2° 1562.0 to 1832.0 ±0.4°

-Alumel®
Jacket

-Constantan
Jacket

-Constantan
Jacket

Additional Information

PIE Calibrators are manufactured in the USA.
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
recalibration and repair services.

This product is

Warranty

Our equipment is warranted against defective material and
workmanship (excluding batteries) for a period of three years
from the date of shipment. Claims under warranty can be made
by returning the equipment prepaid to our factory. The equipment
will be repaired, replaced or adjusted at our option. The liability
of Practical Instrument Electronics (PIE) is restricted to that
given under our warranty. No responsibility is accepted for
damage, loss or other expense incurred through sale or use of
our equipment. Under no condition shall Practical Instrument
Electronics, Inc. be liable for any special, incidental or
consequential damage.

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