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Crompton 549 Meter and Timers.
Crompton 549 Miniature AC, DC and Elapse Time Meters.     
549 Miniature AC Current Meters Fits standard 1 7/32"  cutout  with accuracy of  +-2%FS.  Bezel size 1.81"x 1.56'   549 Data Sheet            Crompton  549 Part numbers and prices.
549 AC Ammeter. Self Contained 
0-50mA AC input
549-78AA-50mA(specify scale)  
Ammeter transformer rated
0-5 Amp input scaled to suite CT
549-78AA-5Amp(supply scale)   
 

549 AC Volt Meters. Transformer rated
150VAC input scaled  to suite.
549-78VA 150- (supply scale)   

 

549 Elapse Time Meters Time FS.99999.99
549-15 A-120V Specify 50/60 Hz.
110/130VAC System
549-15 A-200V Specify 50/60 Hz.
200-250VAC System
 
 
549 Series Miniature Panel DC Current and Voltage Meters Fits standard 1 7/32" cutout with accuracy of +-2%FS. Bezel size 1.81"x 1.56'
549 DC Current Meters  
 
549 DC Ammeter 100uA to 20mA input
 
549 DC Ammeter 0-50mA Shunt rated
549 Series Miniature Panel DC Volt Meters
Range 50mV to 150VDC  scaled  to suit