Omega Products OM-MT20 Installation Manual

User’s Guide

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OM-MT20

Operator’s Manual

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OM-MT20 Manual, Page i

M3532 / 0300

It is the policy of OMEGA to comply with all worldwide safety and EMC/EMI regulations that apply. OMEGA is constantly pursuing
certification of its products to the European New Approach Directives. OMEGA will add the CE mark to every appropriate device
upon certification.

The information contained in this document is believed to be correct, but OMEGA Engineering, Inc.
accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.

WARNING: These products are not designed for use in, and should not be used for, patient-connected applications.

OM-MT20 Manual, Page ii

Table of Contents

Introduction Page 1

What’s In This Package
Safety Precautions
Palm OS Handheld Computer Compatibility

Hardware Page 2 - 5

Getting Started
Thermocouple Sensors
Batteries
Specifications
Regulatory Compliance
Calibration
Certification of Accuracy

Software Page 6 - 7

Specifications
Software Installation

OmegaWare AL Software Page 8 - 11

Getting Started
Running a Test
Viewing Data Details
OmegaWare AL Options
About OmegaWare AL
HotSync and Data Uploads
Restoring the OmegaWare AL Application

OmegaWare SE Software Page 12 - 14

Getting Started
Collecting Temperature Data
Viewing and Clearing Saved Data
OmegaWare SE Options
About OmegaWare SE
HotSync and Data Uploads
Restoring the OmegaWare SE Application

Contacting Omega Page 15
Software License Agreement Page 16
Warranty/Disclaimer Page 17
Return Requests / Inquiries Page 18
Copyright Information Page 19

OM-MT20 Manual, Page iii

INTRODUCTION

Congratulations on your purchase of the Omega OM-MT20 Temperature Acquisition Module for Palm OS
(Operating System) handheld computers!

The OM-MT20 Temperature Acquisition Module enables you to measure and record temperature values
right on your Palm OS handheld computer, and organize your data to turn it into useful information.

This manual will describe the features of the hardware to help you get the most out of your OM-MT20.
Consult the OM-MT20 software section of this manual and the documentation that came with your Palm OS

handheld computer if you are not familiar with the operation of these components.

What’s In This Package

Your OM-MT20 Temperature Acquisition Module comes complete with the following components:

• 1 OM-MT20 Temperature Acquisition Module

• 2 AAA batteries

• 1 OM-MT20 Manual

• 1 OM-MT20 Software CD-ROM

If any of these components are missing please contact Omega Engineering.

Safety Precautions

Your OM-MT20 Temperature Acquisition Module is a precision electronic device. As with any such
electronic device, care should always be exercised in its proper use.

Do not, under any circumstances, attempt to measure temperatures on energized electrical components or
inside electrical or electronic enclosures.

The wires in thermocouple sensors carry electrical signals and power and should not be exposed to any
environment where they could cause harm.

Never plug anything into the OM-MT20 module inputs except type J, K ,T, or E thermocouples. If you are
unsure about thermocouple compatibility please consult Omega Engineering.

Do not drop your OM-MT20 module.
Do not store your OM-MT20 module in direct sunlight or near a source of heat or cold outside of the

operating limits of the module (refer to the specifications included in this manual).
Always keep your OM-MT20 module dry. Do not immerse your OM-MT20 module in water.
Never open the OM-MT20 module case. There are no user modifiable or serviceable parts, adjustments, or

mechanisms contained in the case. If you are having any problem with the operation of your module please
contact Omega Engineering.

Palm OS Handheld Computer Compatibility

The OM-MT20 Temperature Acquisition Module is compatible with handheld computers running either Palm
OS version 2.x or Palm OS 3.x. These include the following handheld computers:

• Palm Pilot SE, Palm Pilot Professional, Palm III series, Palm VII.

• IBM WorkPad

• Symbol Technologies SPT 1500

Check the Omega website for information regarding compatibility with other handheld computers as they
become available.

OM-MT20 Manual, Page 1

HARDWARE

Getting Started

The OM-MT20 Temperature Acquisition Module is very easy to use. To get started as quickly as possible
follow these simple steps.

• Install two AAA batteries to power up your OM-MT20 Module.

• Install the Palm Desktop version 2.x or 3.x onto your PC, HotSync your Palm to your desktop, and run

the setup.exe program included on the OM-MT20 OmegaWare software CD-ROM.

Consult the OM-MT20 manual and the documentation that came with your Palm OS handheld
computer if you are not familiar with the operation of these components.

• Clip the OM-MT20 onto the HotSync / serial port located on the bottom of your Palm OS handheld
computer,

• Plug one or two thermocouple probes with miniature connectors into the inputs located on the bottom of
your OM-MT20 module.

• Launch your preferred OM-MT20 application software to collect and manage your temperature
information.

• Use the HotSync capabilities of the Palm OS handheld computer to upload your collected temperature
data to your personal computer desktop.

Thermocouple Sensors

Thermocouple Types and Configurations

The OM-MT20 is designed to operate with type J, K, T, and E thermocouples with industry standard
miniature connectors.

Thermocouple sensors are available in a wide range of configurations from various suppliers. These
configurations range from very small beaded thermocouples with minimal thermal mass to heavy-duty
penetration probes. Please contact Omega Engineering if you have any difficulty locating a sensor suited to
your application.

Installing Sensors

The industry standard miniature connectors on the thermocouple have a wide blade and a narrow blade.
Insert the connector in the channel 1 or channel 2 input on the OM-MT20 with the narrow blade (sometimes
marked with a “+”) on the right.

The lower input port of the OM-MT20 is configured as channel 1.
The upper input port of the OM-MT20 is configured as channel 2.

Batteries

Battery Installation

Remove the battery cover by gripping the ribs at the right front and left front corners of the OM-MT20 case
between your thumb and forefinger. Holding the case in one hand and the battery cover in the other, slide
the cover forward without lifting to expose the battery compartment.

Place two standard AAA alkaline cells in the battery compartment in the orientation indicated by the
markings in the compartment and replace the cover.

Battery Life

A new set of batteries in the OM-MT20 will last approximately 100 hours while taking temperatures every
second.

OM-MT20 Manual, Page 2

The OM-MT20 module is inactive when it is not taking temperatures or communicating with the Palm OS
handheld computer. Significant power savings can be realized by increasing the interval between
temperature readings. For example, when data logging every ten seconds, a new set of batteries should last
for approximately 1000 hours.

Actual battery life will depend on how you use your OM-MT20 Temperature module.

If you use any power source other than AAA alkaline batteries to power your OM-MT20 module you
will cause damage to the module.

OM-MT20 Manual, Page 3

Specifications

• Inputs
1 or 2 External Thermocouples
Internal Temperature (Thermistor)
Internal Battery Voltage

• Supported Temperature Sensors
Thermocouple Types J, K, T, E
Uses industry standard miniature connectors

The thermocouple leads must be less than 3 meters in length.

• Units
Degrees F or C

• Temperature Measuring Range

-328°F (-200°C) to +1832°F (+1000°C) for Type J

-328°F (-200°C) to +1832°F (+1000°C) for Type K

-328°F (-200°C) to +734°F (+390°C) for Type T

-328°F (-200°C) to +1814°F (+990°C) for Type E

• Resolution
.1 degree for all temperatures in range

• Accuracy
±1.8°F (±1°C) ±0.1% of Reading

When subjected to a field strength of at least 3V/m over a frequency range of 27-500 MHz in
accordance with BS EN50082-1, the unit exhibited no more than +/-3°C error.

• Data Storage
10,000+ readings for SE and AL with 300K free memory on your Palm

• Logging Interval
1 second to 49 hours

• Power
2 AAA alkaline batteries provide 100 hours of continuous operation

• Operating Temperature Range
32°F (0°C) to +122°F (50°C)

• Dimensions (Versid Module Only)

3.2 x 2.6 x 0.875 inches
(8.13 x 6.60 x 2.22 cm)

• Weight, with Batteries

2.8 ounces
(79.4 grams)

OM-MT20 Manual, Page 4