ISO INTERNATIONAL STANDARD 16331-1 Secondedition 2017-03 Optics and optical instruments - Laboratory procedures for testing surveying and construction instruments - Part 1: Performance of handheld laser distance meters Optique et instruments d'optique - Meéthodes d'essai de laboratoire des instruments d'observation et construction- Partie 1: Performance de télémetres laser de poche Reference number ISO 16331-1:2017(E) os1 International Organization for Standardization @ IS0 2017 IS0 16331-1:2017(E) COPYRIGHTPROTECTEDDOCUMENT ISo 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. Isocopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org Internatinair PrganizationforStandardization ensee-ZHEJIANG INST.OF STANDARDIzARoISQa7 - All rights reserved Not for Resale, 2017/5/16 00:52:10 etworking permitted without license from IHS IS0 16331-1:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references ..1 3 Terms and definitions ..1 4 Symbols and abbreviated terms .1 5 General information .2 5.1 General .2 5.2 Target reflectivity. .2 5.3 Background illumination. .2 5.4 Temperature of key components .3 5.5 Atmospheric influence .3 5.6 Measurementresolution .3 5.7 Average deviation and uncertainty of measurement 3 5.8 Relevant contribution to uncertainty .3 5.9 Instruction for instrument specifications .3 6 Test procedure for determining the compliance with accuracy specifications ..4 6.1 Testconcept .4 6.2 Requirements. 4 6.2.1 General .4 6.2.2 Apparatus. .4 6.3 Configuration of check points .5 6.4 Measurement procedure. .5 6.4.1 General .5 6.4.2 Absolute distance test .5 6.4.3 Background illumination test 6 6.4.4 Temperature test .6 6.5 Calculation of deviations and uncertainty of measurement. .7 6.5.1 Absolute distance test ..7 6.5.2 Background illumination test. .7 6.5.3 Temperature test .8 6.5.4 Combined deviation and combined uncertainty of measurements. ..9 6.5.5 Expanded uncertainty of measurements. .10 6.5.6 Statement of test result. .10 Test procedure for determining compliance with range specifications. ..10 7 7.1 Test concept. .10 7.2 Requirements. 10 7.3 Description of measurement procedure .11 7.4 Calculation of deviation and uncertainty of measurement ..11 7.5 Statement of test result. ..12 Annex A (informative) Example of performance specification ..13 Annex B (informative) Examples of determining compliance with accuracy specifications ..14 Annex C (informative) Examples of determination of compliance with range specifications. ..27 Annex D (informative) Background illumination simulation. ..31 Annex E (informative) Target plates .32 Annex F (informative) Typical characteristics of targets .33 Annex G (informative) Typical alignment issues ..35 Bibliography .37 iii e=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under license with ISt ed without license from IHS Not for Resale, 2017/5/16 00:52:10