Additional Information
| Features | • Replacement scales are readily available and easily replaced without chance of damage to the movement. |
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Features unique case design, enclosed meter movement with the scales located behind an internal housing for greater dust resistance. Scales can be replaced without chance of damage to the movement. Available in sizes 3.5″ and 4.5″.
Performance Specifications
DC Ammeters
Performance Specifications
| Accuracy* | ±2% of full scale |
| ANSI Specification | All meters meet ANSI C-39.1 - 1981 |
| Overload | 2" from pivot center |
| Voltmeters | 150% momentary 120% sustained |
| Ammeters | 10 x rated current 10 consecutive intervals of ½ second with a 4 minute interval between successive applications 120% for 6 hours. |
| Scale Length | 3½" - 3.05"; 4½" - 3.82" |
| Scale Degrees | 90° arc |
| Insulation Level | 2600VRMS, 1 min. |
| Response Time | 1.5 sec |
| Resistance | ±10% |
*On zero-center meters, specification applies to full scale, not end scale value, e.g. 50-0-50mv is 100mv full scale.
AC Meters
Performance Specifications
| Accuracy* | ±2% Iron-Vane, 50/60 Hz ±3% Rectifier Type, 60 Hz 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 C-39.1 - 1981 |
| Overload | 2" from pivot center |
| Voltmeters | 150% momentary 120% sustained |
| Ammeters | Momentary - 10 x rated current, 10 consecutive intervals of ½ second with a 1-minute interval between successive applications; sustained 120% for 6 hours. |
| Scale Length | 3½" - 3.06"; 4½" - 3.82" |
| Scale Degrees | 90° arc |
| Insulation Level | 2600VRMS, 1 min. |
| Burden Data | AC Ammeter: .7VA, 0.7PF lag AC Voltmeter: .8VA unity PF |
| Response Time | 2.5 seconds maximum |
| Resistance | ±30% iron-vane |
| Shielding | All high current AC meters contain internal shielding. |
Downloads
| Datasheet |
| Outline Drawing |
| Catalog |
