AC Ammeter: -A  
  Size: 48,72,96,144
Class: 1.5
Specs: 0.1A, 0.5A, 1A, 1.5A, 3A, 5A, 7.5A, 10A, 15A, 20A, 25A, 30A, 50A, 75, 100A (use Ext. CT 5A)
Note: For 60/75/100A direct meter, the class in 2.5.
Advantage: The scale can be easily changed without opening
the front frame so that the class will not be influenced.
  AC voltmeters -V  
  Size: 48,72,96,144
Accuracy: Class1.5
Specification:30V, 50V, 75V, 100V, 120V, 150V, 250V, 300V, 450V, 600V
(For 450-380KV,should be used with potential transformer whose secondary voltage 100V).
  Frequency Meter Pointer Type: -HZ  
  Size: 48,72,96,144
Class: 1.0
Volt: 50V, 100V, 220V, 380V
Freq: 44-55Hz, 45-65Hz, 55-65Hz, 47-53Hz, 57-63Hz, 44-56Hz, 54-66Hz, 450-550Hz,
  Power Factor Meter: --COS  
  For 3 phases circuits, balanced load 45-65Hz and for 1 plase AC 50Hz.
Size: 72,96,144
Class: 2.5
Voltage: 100V, 380V, 440V
Frequency: 50Hz, 60Hz
Scale graduation: 0.5cap-1-0.5ind, 0.3cap-1-0.7ind, 0.4cap-1-0.4ind, 0.7cap-1-0.3ind
Orders to be noted:
Type of Current: 1P, 3P 3W circuits, balanced load.
Rated Volt: The voltage is line voltage (between two wire).
Operating Current: If used with CT, the secondary current 5A or 1A is standard.
  Power Meter: --KW  
  Wattmeters or Varmeters with build-in converter for 1 phase 3P 3W, 3P 4W.
Size: 72,96,144
Class: 1.5
Voltage: 50V, 100V, 220V, 240V, 220/ 380V, 240/415V
Current: 5A
These meters are used with potential secondary voltage 100V voltage transformer or secondary current 5A CT.

Wattmeters with built-in converter for 3P 3W, 3P 4W and single phase.











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