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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 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 should malfunction, 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 being 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, 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.

FOR WARRANTY RETURNS, please have the following

information available BEFORE contacting OMEGA:

1. P.O. 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. P.O. number to cover the COST of the repair.
2. Model and serial number of 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 1999 OMEGA ENGINEERING,
INC. All rights reserved. This document may not be copied, photocopied, reproduced, translated, or reduced to any electronic medium or
machine-readable from, in whole or in part, without prior written consent of OMEGA ENGINEERING, INC.

Summary of Contents for 502

Page 1: ...HH502 Digital Thermometer OMEGA MODEL 502 ...

Page 2: ...ll Free in Germany 0800 82 66342 e mail nl omega com e mail germany omega com Czech Republic United Kingdom ISO 9002 Certified ul Rude armady 1868 733 01 Karvina One Omega Drive Hranice Czech Repubic Riverbend Technology Centre Northbank Irlam Tel 420 69 6311627 FAX 420 69 6311114 Manchester M44 5EX England e mail czech omega com Tel 44 161 777 6611 FAX 44 161 777 6622 France 9 rue Denis Papin 781...

Page 3: ...rmocouple leads To prolong lead life avoid sharp bends in the leads especially near the connector INTRODUCTION This instrument is a 4 digit compact sized portable digital thermometer designed to use external K type and J type thermocouples as temperature sensor TemperatureindicationfollowsReferenceTemperature VoltageTables N I S T Monograph 175 Revised to ITS 90 for K type and J type thermo couple...

Page 4: ... 0 05 rdg 0 3 C 50 C to 1370 C 0 05 rdg 0 7 C 50 C to 200 C 0 05 rdg 0 6 F 58 F to 2498 F 0 05 rdg 1 4 F 58 F to 328 F TemperatureCoefficient 0 1timestheapplicableaccuracyspecificationper C from 0 C to 18 C and 28 C to 50 C 32 F to 64 F and 82 F to 122 F Input Protection 24V dc or 24V ac rms maximum input voltage on any combination of input pins Maximum Differential Common Mode Voltage Maximum Vol...

Page 5: ...0 R H GENERAL Display 4 digit liquid crystal display LCD with maximum reading of 19999 Overload is display Battery Standard 9V battery Battery Life 100 hours typical Auto power off The meter key switch inactive for more than 30 minutes press power key to resume operation Dimensions 192mm H x 91mm W x 52 5mm D Weight 365g ...

Page 6: ...n the thermometer was last turned off To change the temperature scale press the C F key HOLD Mode only Main display Pressing the HOLD key to enter the Data Hold mode the HOLD annun ciator is displayed When HOLD mode is selected the thermometer held the present readings and stops all further measurements Pressing the HOLD key again to cancel HOLD mode causing thermometer to resume taking measuremen...

Page 7: ... selected T1 When the thermometer is turned on it is set to the type selected that was in use when the thermometer was last turned off MIN MAX with Time record Mode only Main display Press MIN MAX key to enter the MIN MAX Recording mode displays the Maximum reading with time Minimum reading with time and Average reading stored in record mode In the this mode the automatic power off feature is disa...

Page 8: ... REL Relative mode only Main display Pressing REL key to enter the Relative mode zero the display and store the displayed Reading as a reference value and annunciator REL is displayed Press REL key again to exit the relative mode The relative value can also be entered by the user See SET mode later in this manual When the desired Relative value has been entered press REL key to enter the Relative ...

Page 9: ...rlay ENTER key stored the relative value enter Time set mode 2 Time set mode Press ENTER key can escape Time set mode is displayed in second and third display Time hours minutes seconds value is entered via overlay numbers then press overlay ENTER key Time start from set time value enter Hi Lo Limits value set mode 3 Hi Limit value set mode is displayed Press ENTER key can escape Hi Limit value se...

Page 10: ...lternate of thermocouple by second display K J key switch K J T2 Input thermocouple type select second display The K J key switch the T2 input selects the K type or J type thermocouple as input when second display input selected T2 When the thermometer is turned on it is set to the type selected that was in use when the thermometer was last turned off Hi Lo Limits mode only Main display Press Hi L...

Page 11: ...the thermometer before removing the cover Battery Replacement Power is supplied by a 9 volt transistor battery The appears on the LCD display when replacement is needed To replace the battery remove the two screws from the back of the meter and lift off the battery cover Remove the battery from battery contacts ...

Page 12: ...t The class of calibrator had better 10 times greater than the measured meter 1 Set the jumper position on J1 position 2 The input selection change to T1 position then input DCV 60mV after the display is stabilized and press ENTER key 3 Input 0 F after the display is stabilized and press ENTER key to complete calibration 4 After adjustment set the jumper back to J3 position ...

Page 13: ...ity 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...

Page 14: ...el Systems þ Totalizers Batch Controllers pH CONDUCTIVITY þ pH Electrodes Testers Accessories þ Benchtop Laboratory Meters þ Controllers Calibrators Simulators Pumps þ Industrial pH Conductivity Equipment DATA ACQUISITION þ Data Acquisition Engineering Software þ Communications Based Acquisition Systems þ Plug in Cards for Apple IBM Compatibles þ Datalogging Systems þ Recorders Printers Plotters H...

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