Related Manuals for Omega OM-141
Summary of Contents for Omega OM-141
- Page 1 User’s Guide Shop online at omega.com e-mail: info@omega.com For latest product manuals: omegamanual.info OM-141 USB RH/Temeprature/GPP Mini Data Logger atasheet has been downloaded from http://www.digchip.com at this...
- Page 2 Tel: (203) 359-1660 Fax: (203) 359-7700 e-mail: info@omega.com For Other Locations Visit omega.com/worldwide The information contained in this document is believed to be correct, but OMEGA accepts no liability for any errors it contains, and reserves the right to alter specifications without notice.
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Page 3: Table Of Contents
TABLE OF CONTENTS Introduction ........3 – 4 Key Features . -
Page 4: Introduction
Windows XP operating system after plugging the OM-141 ® into one of the computer’s USB ports. The OM-141’s internal flash memory is large enough to store 16,300 pairs of RH and temperature readings. Included with the product—which is slightly larger than a thumb drive—is a mini-disc with the drivers needed to... -
Page 5: Key Features
HVAC/R installations, computer rooms, labs, libraries, museums and saunas. Electronics manufacturing—Alerts provided by the low- humidity alarm function of the OM-141 can mitigate the risk of damaging high-voltage static discharges. KEY FEATURES One button starts/stops data logging without a PC Plug-and-play USB 2.0 interface;... -
Page 6: Safety Instruction
Long battery life (up to one year) Includes USB extension cable One-year warranty SAFETY INSTRUCTION Do not use the OM-141 in the presence of flammable or explosive gases. WHAT’S IN THE BLISTER PACK The OM-141 comes in a blister pack that also contains One “1/2 AA”... -
Page 7: Product Overview
PRODUCT OVERVIEW Fig. 1 shows the main components, controls, display and connectors of the OM-141 Familiarize yourself with their names and functions before moving on to the Setup Instructions. A. Temperature and humidity sensor window B. Battery compartment (latch is on rear of unit) C. -
Page 8: Setup Instructions
3. Windows Explorer will indicate that there are two “Files Cur- ently on the Disc”. One is actually a folder containing a PDF of the OM-141 user’s manual (as well as PDFs of the manuals for the OM-143 and OM-144, larger versions of the OM-141... - Page 9 LCDs). Copy the OM-141 manual to your computer’s hard drive for permanent storage. The other file is a Windows Installer Package (.msi file) named “ELusb V1.21.2.msi”. Double-click its icon. 4. A window titled “Welcome to ELUsb Installation Wizard” will appear. Click Next to continue.
- Page 10 LCDs). Copy the OM-141 manual to your computer’s hard drive for permanent storage. The other file is a Windows Installer Package (.msi file) named “ELusb V1.21.2.msi”. Double-click its icon. 4. A window titled “Welcome to ELUsb Installation Wizard” will appear. Click Next to continue.
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Page 11: Configure The Unit
OM-141 without mechanically stressing its USB plug, do not plug the OM-141 directly into the jack. You do not want the plug of the OM-141 to support any of the weight of the laptop. If that is the case, plug the OM-141 into the jack of the included USB extension cable and insert the plug of the extension cable into the computer’s USB jack. - Page 12 Fig. 2. The three options made available by plugging the OM-141 into a USB port Note: If you have already used your OM-141 to log data and it is still in recording mode, plugging the unit in will cause the following window to appear.
- Page 13 You can now use the software to “configure” your OM-141. Configuring the device means choosing four key parameters: Sampling time—How often it makes and stores humidity and temperature measurements. Temperature unit—degrees Fahrenheit or Celsius (°F or °C). High and low temperature alarm setpoints High and low humidity alarm setpoints To begin, click on “Set up the USB Data Logger”...
- Page 14 Be aware that if you do manage to fill up the OM-141’s memory (by logging for a very long time at a very short sampling time, for example), the device will simply stop recording.
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Page 15: Operating Instructions
OPERATING INSTRUCTIONS DEPLOY THE UNIT The OM-141 is particularly easy to deploy on a job site because the unit does not need to be plugged into a computer to be activated (ready to start logging data). Working together, the MODE button and the pair of two-color LEDs (Fig. 1, Callouts F and C) serve as the control and indicators needed to: 1) start and stop data logging and 2) verify and change the unit’s... -
Page 16: Viewing, Printing And Exporting Data Logs
ELUSB software to stop logging. Each time you plug the OM-141 into the USB port, the window shown in Fig. 2 will appear. When you plug in the unit, it makes no difference whether it is still logging; the procedure for uploading (importing) data logs is identical. - Page 17 Fig. 4. A typical initial plot of an imported data log There are several features shown in Fig. 4 worth noting: To mark the position of every recorded data point on the curve, check the “Mark Points” box at the top of the sidebar at right.
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Page 18: Other Indications
As mentioned earlier, the MODE button and the pair of two- color LEDs work together to indicate the current working status of the OM-141. For example, the MODE button can be used to confirm whether or not the unit has been configured (activated) using the software’s Setup window (see Fig. -
Page 19: Specifications
SPECIFICATIONS Temperature Measurement Range -4° to 158°F (-20° to 70°C) Temperature Measurement Accuracy ±1.8°F (1°C) from 14° to 104°F (-10° to 40°C); ±3.6°F (2°C) elsewhere in range Temperature Measurement ±0.2°F (0.1°C) Resolution and Repeatability Relative Humidity (RH) 0 to 100% Measurement Range RH Measurement Accuracy ±3% from 20 to 80%RH,... -
Page 20: Maintenance Tips
Do not use chemicals or abrasive cloth to clean the display window or housing. Before storing the OM-141 for an extended period of time (several months or more), remove the battery to avoid having it leak and damage the unit. - Page 21 Service Department will issue an Authorized Return (AR) number immediately upon phone or written request. Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no charge. OMEGA’s WARRANTY does not apply to defects...
- Page 22 Where Do I Find Everything I Need for Process Measurement and Control? OMEGA…Of Course! Shop online at omega.com TEMPERATURE DATA ACQUISITION M U Thermocouple, RTD & Thermistor M U Data Acquisition & Engineering Probes, Connectors, Panels & Software Assemblies M U Communications-Based Acquisition M U Wire: Thermocouple, RTD &...
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