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WARRANTY

OMEGA warrants this unit to be free of defects in materials and workmanship and to give satisfactory service 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. However, 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 or which are damaged by misuse are not warranted. This includes contact points, fuses, and triacs.

OMEGA is glad to offer suggestions on the of use of its various products. Nevertheless, OMEGA only warrants
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.

Every precaution for accuracy has been taken in the preparation of this manual; however, OMEGA ENGINEERING,
INC. neither assumes responsibility for any omissions or errors that may appear nor assumes liability for any damages
that result from the use of the products in accordance with the information contained in the manual.

SPECIAL CONDITION: Should this equipment be used in or with any nuclear installation or activity, purchaser will
indemnity OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the
equipment in such a manner.

Summary of Contents for OS643W

Page 1: ...OMEGA OS643W Infrared Thermometer...

Page 2: ...info omega com e mail info omega com Servicing Europe Benelux Postbus 8034 1180 LA Amstelveen The Netherlands Tel 31 20 6418405 FAX 31 20 6434643 Toll Free in Benelux 06 0993344 e mail nl omega com Cz...

Page 3: ...sing MEAS button to extend battery life and with analog signal output function Temperature indication follows Reference Temperature Voltage Tables N I S T Monograph 175 Revised to ITS 90 for K type th...

Page 4: ...2 WARNING To avoid damage or burns do not make temperature measurement in microwave ovens The symbol on the instrument indicates that the operator must refer to an explanation in this manual...

Page 5: ...e errors Do not touch or hold by the front cone Temperature reading can be affected by heat from hand Do not place the meter on or around hot objects 70 C 158 F It may cause damage to the case If the...

Page 6: ...rement rate 2 5 times per second nominal Operating Environment 32 F to 122 F 0 C to 50 C at 70 relative humidity Storage Temperature 40 F to 140 F 20 C to 60 C 0 to 80 R H with battery removed from me...

Page 7: ...perating temperature Temperature Coefficient 0 2 of reading or 0 36 F 0 2 C whichever is greater change in accuracy per F C change in ambient operating tempera ture above 82 4 F 28 C or below 64 4 F 1...

Page 8: ...6 Spot size increases with distance from the probe tip as shown...

Page 9: ...r 0 3 rdg 2 F 58 F to 1999 F 0 3 rdg 1 C 50 C to 1000 C 0 5 rdg 1 C 1000 C to 1300 C Temperature Coefficient 0 1 times the applicable accuracy specification per C from 32 F to 64 F and 83 F to 122 F 0...

Page 10: ...MEASURE Button Depress MEAS button to turn on the meter for measuring temperature Releasing MEAS button to stop measuring temperature and automatically hold the display reading the meter turns off au...

Page 11: ...temperature is to be measured 6 Press the MEAS button Measurement is performed as long as the MEAS button is kept pressed 7 Referring to the spot size figure NOTE Although the field of measurement or...

Page 12: ...se switch to turn on or turn off the display Back Light 4 Use F C switch to select F or C the Temperature Range 5 Connect a type K thermocouple to the jack on the instrument Place the probe or thermoc...

Page 13: ...by solid matter With an emission thermometer which operates by detecting infrared radiation accurate measurement is possible irrespective of the air tempera ture or the measurement distance 3 Emissio...

Page 14: ...reflective object to 1 00 for a black body Factory set emissivity value of 0 95 which cover 90 of typical applications 5 If the surface to the measured is covered by frost or other material clean it...

Page 15: ...on the LCD display when replacement is needed To replace the batteries remove the screw from the back of the meter and lift off the battery cover case Remove the batteries from battery contacts Clean...

Page 16: ...der 0 96 Earth 0 92 to 0 96 Lacquer 0 80 to 0 95 Water 0 92 to 0 96 Lacquer matt 0 97 Ice 0 96 to 0 98 Rubber black 0 94 Snow 0 83 Plastic 0 85 to 0 95 Glass 0 90 to 0 95 Timber 0 90 Ceramic 0 90 to 0...

Page 17: ...use of its various products Nevertheless OMEGA only warrants that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND W...

Page 18: ...ondence 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 BEF...

Page 19: ...onnectors Panels Assemblies Wire Thermocouple RTD Thermistor Calibrators Ice Point References Recorders Controllers Process Monitors Infrared Pyrometers ENVIRONMENTAL MONITORING AND CONTROL Metering C...

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