Amprobe PRM-4 Phase-Sequence-Motor-Rotation-Tester User Manual
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overload protection: 600 V ac
Accessories: Test leads (Tl-PRM-4) with alligator clips, two sets of 
color coded clips, carrying case, Users Manual, battery
Agency Approvals
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Safety: Conforms to en61010-1:2001; CAT iii 600V, Pollution degree 2, 
Class 2; CSA 22.2 -1010-1, and en61557-7
EMC: Conforms to en61326-1. This product complies with 
requirements of the following european Community directives: 
89/ 336/ eeC (electromagnetic Compatibility) and 73/ 23/ eeC 
(low Voltage) as amended by 93/ 68/ eeC (Ce Marking). however, 
electrical noise or intense electromagnetic fields in the vicinity of 
the equipment may disturb the measurement circuit. Measuring 
instruments will also respond to unwanted signals that may be 
present within the measurement circuit. Users should exercise care 
and take appropriate precautions to avoid misleading results when 
making measurements in the presence of electronic interference.
Electrical Specifications
Phase Sequence
Input Voltage: 3 phase to phase inputs - 100 V ac to 600 V ac max.
frequency: 45 to 70 hz
operating time: 10 minutes on maximum at 600 V ac. 10 minutes off 
minimum at 600 V ac.
3-Phase load: Approx. 7 mA per phase of ac power source
Motor Rotation
operating time: 10 minutes on maximum. 10 minutes off minimum.
Motor Rotation tester field: 14 mA of 9 V battery
