Name: Frequency Meter; Shockproof Instrument for Ships (Land), Train and Locomotive Instruments
Model: 2108A, AH110A
Specifications: 45-50-55 Hz, 55-60-65 Hz, 45-55-65 Hz
Angle: Wide 240-degree display
Grade: 0.5
Case: Plastic
Frequency: 50Hz or 60Hz
Weight: 0.65kg
Warranty: 12 months
Standard: GB7676
Protection Rating: IP44
Dimensions: 110x110x116mm; Hole Diameter: 101mm; Four Mounting Screws: 90x90mm (M5); Depth: 95mm
Packaging: Shock-proof foam inner box, cardboard outer box
Quantity: 18 per small box, 27 per large box
Express Delivery: Standard Express (please contact the store for other options, such as SF Express)
Structural Features: Shock-proof pointer meter, quality guaranteed, high mechanical shock resistance, satisfactory operation at 0.7g acceleration.
The AC meter is a DC meter with an external transistor rectifier circuit, resulting in low power consumption.
Main Technical Specifications
Environmental Conditions: -25°C to +40°C (0°C to +40°C for AC)
Relative Humidity: 25% to 80%
Mechanical Resistance: Highly resistant to mechanical shock, operating satisfactorily at 0.7g acceleration. Withstands transportation shocks of 150m/s and 80-120 shocks per minute for 2 hours.
Voltage Resistance: AC 50Hz, AC 2000V for 1 minute.
Weight: Less than 1kg
Working Position: Vertical (⊥)