Case and Composition
Acrylic resin front and Bakelite case.
Color: Black case, white scale plate.
Pointer: Tube or knife-type, color in black or red.
Four studs mounting.

Accuracy:
Moving coil type： Class 2.0
Moving iron type：Class 2.5
Rectifier type: Class 2.0

Hz Meter
Measuring Ranges: 45~56 Hz, 45~55 Hz, 55~65 Hz.
Rated Voltage: 110V, 220V.
Accuracy: Class 2.0.

General:
Relative Humidity: 20% to 80%RH (Nominal Use).
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Storage Temperature: -4°F to 131°F (-20°C to 55°C).
Performance: ANSI C39.1.
Vibration: ANSI C39.1.
Enclosure: IP42 unless otherwise noted.

Measuring Ranges
DC up to 50A. AC up to 50A.

Case and Composition
Acrylic resin front and Bakelite case.
Color: Black case, white scale plate.
Pointer: Tube or knife-type, color in black or red.
Four studs mounting.

Accuracy:
Moving coil type： Class 2.0
Moving iron type：Class 2.5
Rectifier type: Class 2.0

Hz Meter
Measuring Ranges: 45~56 Hz, 45~55 Hz, 55~65 Hz.
Rated Voltage: 110V, 220V.
Accuracy: Class 2.0.

General:
Relative Humidity: 20% to 80%RH (Nominal Use).
Operating Temperature: 32°F to 104°F (0°C to 40°C).
Storage Temperature: -4°F to 131°F (-20°C to 55°C).
Performance: ANSI C39.1.
Vibration: ANSI C39.1.
Enclosure: IP42 unless otherwise noted.

Measuring Ranges
DC up to 50A. AC up to 50A.