background image

- To place a bookmark manually during the 
delivery transition, long press MARK key until 
measured reading flashes three times. 
-Press MAX/MIN key any time to review the 
maximum and minimum data stored in memory.
-Press MARK key can review the approximate 
leftover battery life time.

Step3   Download data 

-Press "STOP" key for 5 seconds to stop the 
logging. 
-Plug logger into PC USB port can also stop the 
logging.
- Open the file "PDF Logger Configuration 
Tool. exe
- Choose function “Convert to PDF” or “ Convert to 
Excel” to generate the report in preferred format. 
The default language is English. The user may 
change it to one of several alternate languages.
- Select the preference location to save the 
generated report to.
- The created excel report contains all data shown 
in PDF report except the graph. 

Battery Life        3 months 

Operating temp.   -30~70oC (Logging status); room temp.(PC status)

Operating RH%   Humidity < 80%

Storage temp.     -40~85oC

Storage RH%     Humidity <90%

Weight           ~90g

Battery           2PC 3.0V CR2032

Sampling interval  30 seconds, 5, 10, 30, 60, 90, 120 minutes

Start delay         0, 5, 30, 45, 60, 90,120 minutes, 24 hours

Alarm range       Temp: -30.0~70.0oC

                  Humidity:1~99%rH   

Alarm delay        0, 5, 30, 45, 60, 90, 120 minutes

Alarm type         Single, Cumulative, Disable

Operation keys     3 Keys, Start/Stop & Mark & MX/Mn

LED indicator      REC, High /Low alarm

Protection class

OM-22:          IP67

OM-23:          IP65  

OM-24:          IP65, not include sensor.  

Directives      EN12830

Operating System  Windows only

Servicing North America:

U.S.A.:

 

Omega Engineering, Inc., One Omega Drive, P.O. Box 4047

 

 Stamford, CT 06907-0047 USA

Toll-Free: 1-800-826-6342 (USA & Canada only)

Customer Service: 1-800-622-2378 (USA & Canada only)

Engineering Service: 1-800-872-9436 (USA & Canada only)

Tel: (203) 359-1660 

Fax: (203) 359-7700 

e-mail: [email protected]

For Other Locations Visit omega.com/worldwide

omega.com   [email protected]

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.

WARRANTY/DISCLAIMER

OMEGA  ENGINEERING,  INC.  warrants  this  unit  to  be  free  of  defects  in  materials  and 

workmanship for a period of 

13  months

 from date of purchase. OMEGA’s WARRANTY adds 

an additional one (1) month grace period to the normal 

one  (1)  year  product  warranty

 to 

cover  handling  and  shipping  time.  This  ensures  that  OMEGA’s  customers  receive  maximum 

coverage on each product. 
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer 

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 

resulting from any action of the purchaser, including but not limited to mishandling, improper 

interfacing, operation outside of design limits, improper repair, or unauthorized modification. 

This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows 

evidence of having been damaged as a result of excessive corrosion; or current, heat, moisture 

or  vibration;  improper  specification;  misapplication;  misuse  or  other  operating  conditions 

outside of OMEGA’s control. Components in which wear is not warranted, include but are not 

limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However,
OMEGA neither assumes responsibility for any omissions or errors nor assumes
liability for any damages that result from the use of its products in accordance
with information provided by OMEGA, either verbal or written. OMEGA warrants
only that the parts manufactured by the company will be as specified and free of
defects. OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY
KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE, AND ALL
IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION
OF LIABILITY: The remedies of purchaser set forth herein are exclusive, and the
total liability of OMEGA with respect to this order, whether based on contract,
warranty, negligence, indemnification, strict liability or otherwise, shall not exceed
the purchase price of the component upon which liability is based. In no event shall
OMEGA be liable for consequential, incidental or special damages.

CONDITIONS:  Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) 

as  a  “Basic  Component”  under  10  CFR  21  (NRC),  used  in  or  with  any  nuclear  installation  or 

activity; or (2) in medical applications or used on humans. Should any Product(s) be used in or 

with any nuclear installation or activity, medical application, used on humans, or misused in 

any way, OMEGA assumes no responsibility as set forth in our basic WARRANTY / DISCLAIMER 

language, and, additionally, purchaser will indemnify OMEGA and hold OMEGA harmless from 

any liability or damage whatsoever arising out of the use of the Product(s) in such a manner.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. 

BEFORE  RETURNING  ANY  PRODUCT(S)  TO  OMEGA,  PURCHASER  MUST  OBTAIN  AN 

AUTHORIZED  RETURN  (AR)  NUMBER  FROM  OMEGA’S  CUSTOMER  SERVICE  DEPARTMENT 

(IN  ORDER  TO  AVOID  PROCESSING  DELAYS).  The  assigned  AR  number  should  then  be 

marked on the outside of the return package and on any correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to 

prevent breakage in transit.  

OMEGA’s  policy  is  to  make  running  changes,  not  model  changes,  whenever  an  improvement  is  possible. 

This affords our customers the latest in technology and engineering.
OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
© Copyright 2015 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, 

reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without 

the prior written consent of OMEGA ENGINEERING, INC.

FOR 

WARRANTY

 RETURNS, please have 

the following information available BEFORE 

contacting OMEGA:
1. Purchase Order number under which 

  the product was PURCHASED,
2.  Model and serial number of the product 

under warranty, and

3.  Repair instructions and/or specific 

problems relative to the product.

FOR 

NON-WARRANTY

 REPAIRS, consult 

OMEGA for current repair charges. Have the 

following information available BEFORE 

contacting OMEGA:
1.  Purchase Order number to cover the 

COST of the repair,

2. Model and serial number of the product, and
3. Repair instructions and/or specific problems 

  relative to the product.

NOTE: Note: The generated “excel” file is a 
tab-delimited ASCII text file which can be easily 
read by many programs. However, when 
opening the file in Microsoft Excel, a warning 
message may be displayed because the file is 
named “.xls” but the contents are like a 
“.txt” file.  It can be safely opened.

Technical data

Model            

OM-22 : Temperature logger

OM-23: Tempe Ext. temp. logger

OM-24: Tempe Humidity logger

Temp. & Ext.      By NTC thermistor,

measurement     -30.0~70.0oC (-22.0~158.0oF)

Temp. resolution   0.1oC (0.1oF)

Temp. accuracy   +/-0.5oC

Humidity          0.1~99.9%rH

Humidity res.      0.1%rH

Humidity accu.     +/-3% at 25 oC(10-90%rH), /-5%

Logging Type      Multiple use

Sampling points   

OM-22: 48000 points

OM-23: 24000 Temp. +24000 ext. Temp.

OM-24: 24000 Temp. +24000 Humidity

Error Code

- - - - . -   

Why? 

In model 2 only.   
External probe is unplugged 

Solution

Check the contact between probe and 
logger 

E02

Why? 

Measured value is below specified range 

Solution

Put the logger in specified range 

E03

Why? 

Measured value is above specified range 

Solution

Put the logger in specified range 

E04

Why? 

In humidity display of model 3 only, 
means temperature is in error mode 

Solution

Solve the error issue of temp. sensor   

E11 

Why? 

In humidity display of model 3 only, 
means humidity calibration is fail 

Solution

Re-calibrate the humidity     

E31

Why? 

Microprocessor is fail   

Solution

Contact distributor for after service   

E33

Why? 

In humidity display of model 3 only, 
means humidity measuring is fail 

Solution

Contact distributor for after service 

Why red LED is flashing but recorded data is OK 

Why? 

Alarm detection works every 10 seconds 
but data logging are possibly 
programmed as every 2 hours. In this 
condition, if alarm happens between two 
logging points, it might lead the recorded 
data is OK but red LED is flashing, 
especially if the alarm mode is set as 
“Single”. 

Solution

To program the alarm function as 
cumulative can reduce this situation   

M5618/1016           

Reviews: