Hoyt Electrical Instrument Works Frequency Meter, AC Repulsion, 3.5-in, 45-65 Hz Range, 240V, 2% Accur., Stud Mnt

Hoyt Electrical Instrument Works Frequency Meter, AC Repulsion, 3.5-in, 45-65 Hz Range, 120V, 2% Accur., Stud Mnt

Hoyt Electrical Instrument Works Frequency Meter, AC Repulsion, 2.75-in, 45-65Hz Range, 120V, 2% Accur., Stud Mnt

Hoyt Electrical Instrument Works Frequency Meter, AC Repulsion, 2.75-in, 45-65Hz Range, 240V, 2% Accur., Stud Mnt

Hoyt Electrical Instrument Works FREQUENCY METER, 120V RATED, 50-70HZ, 4.5 IN SQUARE

Hoyt Electrical Instrument Works FREQUENCY METER, 240V RATED, 45-55HZ, 4.5 IN SQUARE

Hoyt Electrical Instrument Works METER, INDUSTRIAL, NEMA 4 RATED

Hoyt Electrical Instrument Works METER, FREQUENCY 400HZ, 120VAC 3-1/2IN

Hoyt Electrical Instrument Works Frequency Meter, 45-65 Hz Range, 240 V, Class 2.0 Accuracy, Stud Mount, 69x69 mm

Hoyt Electrical Instrument Works Frequency Meter, 45-65 Hz Range, 120 V, Class 2.0 Accuracy, Stud Mount, 69x69 mm

Hoyt Electrical Instrument Works Frequency Meter, 45-65 Hz Range, 240 V, Class 2.0 Accuracy, Stud Mount, 89x89 mm

Hoyt Electrical Instrument Works Frequency Meter, 45-65 Hz Range, 120 V, Class 2.0 Accuracy, Stud Mount, 89x89 mm

Hoyt Electrical Instrument Works METER, FREQUENCY 400HZ, 120VAC 3-1/2IN

Ram Meter Frequency Meter, 55-65 Hertz

Shurite 850 Series Frequency meter Volt range:90/140, Scale:55-65, Hz: 60

Shurite Panel Meter, Frequency Meter, Zero Adjuster, range 90/140, scale 55-65, 60Hz

Shurite Panel Meter, Frequency Meter, Zero Adjuster, range 90/140, scale 55-65, 60Hz

Shurite Frequency Meter, Analog, 220 V, 60 Hz