SN EN 999 : 1999 + A1 2008

0 Introduction
1 Scope
2 Normative references
3 Definitions
4 Methodology
5 General formula for the calculation of minimum distances
6 Calculation of minimum distances for electro-sensitive
    protective equipment employing opto-electronic protective
    devices
    6.1 Direction of approach normal to the detection zone
    6.2 Direction of approach parallel to the detection
          zone
    6.3 Direction of approach angled to the detection zone
    6.4 Dual position equipment
7 Method of calculating the minimum distances for ground
    level trip devices
    7.1 General method
    7.2 Floor mounting
    7.3 Step mounting
8 Two hand control devices
Annex A (informative) Worked examples
Annex B (informative) Walking speeds and stride lengths
Annex ZA (informative) Clauses of this European Standard
         addressing essential requirements or other
         provisions of EU directives

Give parameters based on values for hand/arm and approach speeds and the methodology for determining minimum distances from specific sensing or actuating devices of protective equipment to a danger zone. Contains trip devices and two hand devices.