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Two different sizes, 21⁄2" and 31⁄2", are available in this popular style. Round meters have plastic cases with glass windows and are UL recognized. All DC versions have a self-shielding movement (calibration is not affected by stray magnetic field or magnetic mounting). AC meters listed have an iron-vane type movement and are calibrated at 60 Hz. Call Allied for sizes and ranges not shown.

Approvals	RU
Brand/Series	2122 Series
Cut Out, Panel	2.22 in., 56.4 mm Dia.
Depth	1.34" (34mm)
Dimensions, Cutout, Inches	2.22 Dia. in.
Display Type	Analog
Function	Ammeter
Measuring Range	0 to 3 A
Range, Measurement	0 to 3 A DC
Temperature Range	-20 to +65 °C
Temperature, Opening, Maximum	+65 °C
Temperature, Operating, Minimum	-20 °C
Type	Mechanical
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Approvals RU  Simpson Approvals RU  Analog Ammeters Approvals RU  Simpson Analog Ammeters Approvals RU   Brand/Series 2122 Series  Simpson Brand/Series 2122 Series  Analog Ammeters Brand/Series 2122 Series  Simpson Analog Ammeters Brand/Series 2122 Series   Cut Out, Panel 2.22 in., 56.4 mm Dia.  Simpson Cut Out, Panel 2.22 in., 56.4 mm Dia.  Analog Ammeters Cut Out, Panel 2.22 in., 56.4 mm Dia.  Simpson Analog Ammeters Cut Out, Panel 2.22 in., 56.4 mm Dia.   Depth 1.34" (34mm)  Simpson Depth 1.34" (34mm)  Analog Ammeters Depth 1.34" (34mm)  Simpson Analog Ammeters Depth 1.34" (34mm)   Dimensions, Cutout, Inches 2.22 Dia. in.  Simpson Dimensions, Cutout, Inches 2.22 Dia. in.  Analog Ammeters Dimensions, Cutout, Inches 2.22 Dia. in.  Simpson Analog Ammeters Dimensions, Cutout, Inches 2.22 Dia. in.   Display Type Analog  Simpson Display Type Analog  Analog Ammeters Display Type Analog  Simpson Analog Ammeters Display Type Analog   Function Ammeter  Simpson Function Ammeter  Analog Ammeters Function Ammeter  Simpson Analog Ammeters Function Ammeter   Measuring Range 0 to 3 A  Simpson Measuring Range 0 to 3 A  Analog Ammeters Measuring Range 0 to 3 A  Simpson Analog Ammeters Measuring Range 0 to 3 A   Range, Measurement 0 to 3 A DC  Simpson Range, Measurement 0 to 3 A DC  Analog Ammeters Range, Measurement 0 to 3 A DC  Simpson Analog Ammeters Range, Measurement 0 to 3 A DC   Temperature Range -20 to +65 °C  Simpson Temperature Range -20 to +65 °C  Analog Ammeters Temperature Range -20 to +65 °C  Simpson Analog Ammeters Temperature Range -20 to +65 °C   Temperature, Opening, Maximum +65 °C  Simpson Temperature, Opening, Maximum +65 °C  Analog Ammeters Temperature, Opening, Maximum +65 °C  Simpson Analog Ammeters Temperature, Opening, Maximum +65 °C   Temperature, Operating, Minimum -20 °C  Simpson Temperature, Operating, Minimum -20 °C  Analog Ammeters Temperature, Operating, Minimum -20 °C  Simpson Analog Ammeters Temperature, Operating, Minimum -20 °C   Type Mechanical  Simpson Type Mechanical  Analog Ammeters Type Mechanical  Simpson Analog Ammeters Type Mechanical