Model 671 User’s Manual INTRODUCTION
Bristol Instruments, Inc. 4
1 INTRODUCTION
Welcome
Thank you for purchasing the 671 Laser Wavelength Meter from Bristol Instruments. Two
different models of this system are available: the 671A and 671B. The model 671A measures
absolute laser wavelength to an accuracy of ± 0.2 parts per million. The 671B system has an
accuracy of ± 0.75 parts per million.
The model 671A and model 671B are available for operation over the wavelength ranges of 375 –
1100 nm (VIS version), 520 – 1700 nm (NIR version), and 1 – 5 m (IR version). The 671B
system is also available for operation over the wavelength range of 1.5 to 12 m (MIR version)
with an accuracy of ± 1.0 part per million.
This User’s Manual includes information about the 671A and 671B Laser Wavelength Meters. It
covers all the topics necessary to help you operate your system.
If you have any questions about the operation of your 671 system, please do not hesitate to call
Bristol Instruments at (585) 924-2620. Or, you can contact us at service@bristol-inst.com.
Bristol Instruments, Inc.
770 Canning Parkway
Victor, NY 14564
Tel: (585) 924-2620
Fax: (585) 924-2623
Safety Notices
Warning denotes a hazard. It calls attention to a procedure that, if not correctly performed or
adhered to, could result in injury or loss of life. Do not proceed beyond a warning sign until the
indicated conditions are fully understood and met.
Caution denotes a hazard. It calls attention to a procedure that, if not correctly performed or
adhered to, could result in damage to or destruction of the product. Do not proceed beyond a
caution sign until the indicated conditions are fully understood and met.
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