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User’s Guide
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Shop online at
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www.omega.com
e-mail: info@omega.com
High Performance
Microprocessor-Based Temperature
and Humidity Recorder
CT485B-1
10V-G-AL,
CT485B-220V-G-AL,
CT485B-1
10V-W-AL,
CT485B-220V-W-AL
OMEGAnet
®
Online Service
www.omega.com
USA:
ISO 9001 Certified
Internet e-mail
info@omega.com
Servicing North America:
One Omega Drive, P.O. Box 4047
Stamford CT 06907-0047
TEL: (203) 359-1660
e-mail: info@omega.com
976 Bergar
Laval (Quebec) H7L 5A1
TEL: (514) 856-6928
e-mail: info@omega.ca
FAX: (203) 359-7700
Canada:
FAX: (514) 856-6886
For immediate technical or application assistance:
USA and Canada:
Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA
®
Customer Service: 1-800-622-2378 / 1-800-622-BEST
®
Engineering Service: 1-800-872-9436 / 1-800-USA-WHEN
®
TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA
Mexico:
En Espanol: (001) 203-359-7803
˜
FAX: (001) 203-359-7807
e-mail: espanol@omega.com
info@omega.com.mx
Servicing Europe:
Benelux:
Postbus 8034, 1180 LA Amstelveen, The Netherlands
TEL: +31 (0)20 6418405
FAX: +31 (0)20 6434643
Toll Free in Benelux: 0800 0993344
e-mail: nl@omega.com
Rudé armády 1868, 733 01 Karviná 8
TEL: +420 (0)69 6311899
Toll Free: 0800-1-66342
9, rue Denis Papin, 78190 Trappes
TEL: +33 (0)130 621 400
Toll Free in France: 0800-4-06342
e-mail: france@omega.com
TEL: +49 (0)7059 9398-0
Toll Free in Germany: 0800 639 7678
e-mail: germany@omega.com
FAX: +420 (0)69 6311114
e-mail: czech@omega.com
FAX: +33 (0)130 699 120
Czech Republic:
France:
Germany/Austria:
Daimlerstrasse 26, D-75392 Deckenpfronn, Germany
FAX: +49 (0)7056 9398-29
United Kingdom:
ISO 9002 Certified
One Omega Drive, River Bend Technology Centre
Northbank, Irlam, Manchester
M44 5EX United Kingdom
TEL: +44 (0)161 777 6611
FAX: +44 (0)161 777 6622
Toll Free in United Kingdom: 0800-488-488
e-mail: sales@omega.co.uk
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.
MADE
USA
IN
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 which wear are not warranted, including but 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 it will be
as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESS 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.
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.
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 2000 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.
PATENT NOTICE:
This product is covered by one or more of the following patents: U.S. PAT. 5,019,838; D311,695/
CANADA 1,306,452; 1,319,925; 65,619
D
OMEGA ENGINEERING, INC. / GERMANY M 88 03 842.4/KOREA 102,879/ROC
PATENT NO. 22507/U.K. REGISTERED 1 055 583.
TABLE OF
CONTENTS
High Performance Microprocessor-Based
Temperature/Humidity Recorder with Remote Sensor
Page
Chapter 1 Introduction ....................................................................... 1-1
1.1
1.2
2.1
2.2
2.3
Parts of the Recorder - Front and Side Views .................................. 1-2
Parts of the Recorder - Rear View ...................................................... 1-4
Placing the Recorder on the Bench Top ............................................ 2-1
Mounting the Recorder on the Wall .................................................. 2-3
Using Batteries ...................................................................................... 2-4
2.3.1 Installing Batteries ................................................................... 2-4
2.3.2 Connecting ac power .............................................................. 2-5
Installing the Chart Paper ................................................................... 2-6
Installing and Removing Pens ........................................................... 2-8
2.5.1 Installing the Pens ................................................................... 2-8
2.5.2 Removing the Pens ................................................................ 2-10
Installing the Temperature/Humidity Sensor ............................... 2-11
2.6.1 Using the Short Cable ........................................................... 2-11
2.6.2 Using the Remote Sensor Cable .......................................... 2-12
2.6.3 Using the Sensor Clip ........................................................... 2-13
Turning on the Recorder ..................................................................... 3-1
Recording the Code Numbers ............................................................ 3-1
Comparing Code Numbers ................................................................ 3-2
Final Display Mode .............................................................................. 3-3
Alarm Description ............................................................................... 4-1
Checking Alarm Limits ....................................................................... 4-1
Unlocking/Locking the Control Panel Door ................................... 4-2
4.3.1 Unlocking the Control Panel Door ....................................... 4-2
4.3.2 Locking the Control Panel Door ........................................... 4-2
Setting/Changing Alarm Limits ........................................................ 4-3
Turning the Alarm Off ......................................................................... 4-4
Disabling the Alarm ............................................................................ 4-5
Factory Calibration Information ........................................................ 5-1
Changing Calibration Codes .............................................................. 5-1
Calibrating Humidity Readings ......................................................... 5-4
5.3.1 Humidity Calibration at 33% Humidity .............................. 5-6
5.3.2 Humidity Calibration at 75% Humidity .............................. 5-7
Calibrating Temperature Readings .................................................... 5-8
Chapter 2 Setting Up the Recorder ..................................................... 2-1
2.4
2.5
2.6
Chapter 3 Powering Up the Recorder ................................................. 3-1
3.1
3.2
3.3
3.4
4.1
4.2
4.3
Chapter 4 Alarm Operation ............................................................... 4-1
4.4
4.5
4.6
5.1
5.2
5.3
Chapter 5 Calibrating the Recorder .................................................... 5-1
5.4
i
TABLE OF
CONTENTS
High Performance Microprocessor-Based
Temperature/Humidity Recorder with Remote Sensor
Page
Chapter 6 Using the Cal-Lock Kit ........................................................ 6-1
Chapter 7 Using the Voltage Input Adapter (Optional) ........................ 7-1
Chapter 8 Maintaining the Recorder .................................................. 8-1
8.1
8.2
8.3
8.4
8.5
General Considerations ....................................................................... 8-1
Light Bulb, Display Backlighting and Push Button Information .... 8-2
Case Care................................................................................................ 8-3
Storage of Chart Paper ........................................................................ 8-3
Power Failure Mode (Chart Paper Indication) ................................ 8-3
Chapter 9 Troubleshooting the Recorder ............................................ 9-1
Chapter 10 Technical Details ............................................................ 10-1
10.1
10.2
10.3
10.4
Sensors and Measurement ................................................................ 10-1
Pen Arm Drive .................................................................................... 10-1
Chart Paper Drive Mechanism ......................................................... 10-2
Power Supply Supervision ............................................................... 10-2
Chapter 11 Specifications ................................................................ 11-1
Chapter 12 Sensor Design for CE Conformity .....................................12-1
Index ....................................................................................................... I
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