Analog panel meter - model 2810.

Specifications:

• Accurary: When standard 60 Hz ammeters are used on the extreme limits of 25 or 400 Hz, an additional 0.75% error may be experienced.
• ANSI Specification: All meters meet ANSI C39.1 - 1981
• Overload Voltmeters: 150% momentary; 120% sustained
• Ammeters: Momentary - 10 x rated current, 10 consecutive intervals of 1/2 second with a 1 minute interval between successive applications; sustained, 120% for 6 hours.
• Scale length: 3 1/2"- 3.06"; 4 1/2" - 3.82"
• Scale arc: 90o
• Insulation level: 2600VRMS, 1 min.
• Burden data:AC ammeter: . 7VA, 0.7PF lag, AC voltmeter: .8VA unity PF
• Response time: 2.5 sec. max.
• Resistance: ± 30% iron-vane
• Shielding: All high current AC meters contain internal shielding