simpson155,simpson185,simpson125,simpson145,simpson55,simpson25,
- 2% Full Scale Accuracy (3% for Rectifier)
- Rugged black plastic case Accuracy:Frequencymodels:Wattmeters:Movement:Tracking:Shielding:ResponseTime:Overload (1sec.):Overload(Continuous):Repeatability:Dial:Case:Resistance:OperatingTemp:Pointer:ScaleLength:Net Weight:±2% F.S. (Iron-Vane),±3% F.S. (Rectifier)45-55Hz ±0.3Hz(120V-240V)55-65Hz ±0.3Hz(120V-240V)380-420Hz ±1.2Hz(120V-240V)+2% F.S.; CompensatedMeters: +3% F.S.Models 55, 155:Iron-vane, magnetically dampedModels 45, 145:Annular, rectifier typeModels 85 & 185:small core magnet, self-shieldingModels 25, 27, 29, 125:Annular, self-shielding±3%Calibration isunaffected by magnetic panel mounting.1.5 secondsmaximum10 times F.S.1.5 times F.S.2%Sharp clear scale. Eachdial arc is calibrated to track the specific type of movementused.High density blackplastic±15%-4°F to +149°F (-20°Cto +65°C)Models 85 & 185:knife edge, black finishAll others: spadepointer with black matte finishModel 155 & 185:1.6” (40.6mm)Models 125 & 145:1.8” (45.7mm)Model 55: 2.3”(58.4mm)Models 25, 27, 45 &85: 2.5” (63.5m)Model 29: 3.80”(96.5mm)Models 55, 155 &185: 5oz (0.14kg)Models 85, 125, 145& 45: 7oz (0.20kg)Models 25 & 27: 8oz(.23kg)Model 29: 11oz. (.31kg)