Rope Speed: 

 Faults Sensed: 



Wire Ropes: 



_ 4 - 



SPEC IFICATIONS 



Input Limits 



5 to 500 fpm 



External and internal broken wires, 

 Broken core. Corrosion. Abrasion. 

 Various changes in rope structure. 



Up to O.75 inch diameter 



Power 



Batteries; 



Low Voltage Indicator: 



Battery Life: 



9 V Rectangular Batteries 

 (replaceable or rechargeable) 

 Eveready CH22 or equivalent. 



LED indicator turns on at end 

 of battery life. 



4-5 hours of continuous operation. 



Readout and Recording 



Headphones: 



Built-in power amplifier including 

 battery. Broken wires indicated by 

 clicking sounds. Other rope deterio- 

 rations indicated by "thundering" or 

 "crackling" sounds. Indication inde- 

 pendent of speed. 



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