ZQ- Frequency Meters
 
Technical Data - 90° Meter
 
Type of instrument
Moving coil with built-in transducer for frequency
Sizes (in mm)
48 X 48
72 X 72
96 X 96
144 X 144
Measured quantity
Frequency for all types of networks
Depth behind
bezel
53 mm
Range of
measurement
Related to rated Voltage
57.7V -500V
&
Frequency 45Hz - 440Hz
Proof voltage
2.0kV a.c.
Weight (Approx.)
(In kgs.)
72 X 72=0.25
96 X 96=0.30
144 X 144=0.60
Shunt resistors
Shunt resistors are available for D.C. Measurement with minimum Nominal current = 5A, maximum = 7500 A and voltage drop being (1) 50mV (2) 60 mV (3) 75 mV (4) 150 mV
 
- General Features and Specifications