Wide-Vue Analog Panel Meters Simpson Electric ± 2% F.S (Iron-Vane), ± 3 F.S (Rectified) Models 1212, 1212T: Small Core Magnet  Models 1247, 1347, 1349: Annular, rectifier  Models 1257, 1357, 1359: Iron-vane, magnetically damped - 4ºF to + 149ºF (- 20ºC to + 65ºC)   Compare 
Century Style Analog Panel Meters Simpson Electric 45-65Hz ± 0.3Hz   380-420Hz ± 1.2Hz Small core magnet, self-shielding -4ºF to +149ºF (-20ºC to +65ºC)   Compare 
Tru-Vue Style Analog Panel Meters Simpson Electric ± 2% F.S (Iron-Vane), ± 3 F.S (Rectified) DC: Annular, self-shielding  AC: Models 953 & 954: Iron-vane, magnetically damped   Others: Annular, rectified  - 4ºF to + 149ºF (- 20ºC to + 65ºC)   Compare 
Round Style Analog Panel Meters Simpson Electric ± 2% F.S (Iron-Vane), ± 3 F.S (Rectified) Models 55, 155: Iron-vane, magnetically damped   Model 45, 145: Annular, rectifier type  Models 85 & 185: small core magnet, self-shielding  Models 25, 27, - 4ºF to + 149ºF (- 20ºC to + 65ºC)   Compare 
Rectangular Style Analog Panel Meters Simpson Electric ± 2% F.S (Iron-Vane), ± 3 F.S (Rectified) Model 57, 59, 157 Iron-vane, magnetically damped   Wattmeters: Dynamometer   All others: Annular, rectifier type, self-shielding - 4ºF to + 149ºF (- 20ºC to + 65ºC)   Compare 
Designer Style Analog Panel Meters Simpson Electric ± 2% F.S. AC/Iron-vane, magnetically damped, DC Annular -4ºF to +149°F (-20°C to +65°C)   Compare 
Rugged Seal Style Analog Panel Meters Simpson Electric ± 3% F.S. AC Rectified, ± 2% for DC or Annular Annular rectifier, self-shielding -4ºF to +149°F (-20°C to +65°C)   Compare 
250° Long Scale Analog Panel Meters Simpson Electric AC ±3% full scale (F.S.)  DC ±2% full scale (F.S.) AC: Rectifier type   DC: Self-shielded, permanent magnet -4°F to +149°F (-20°C to +65°C)   Compare 
Elapsed Time Analog Panel Meters Simpson Electric Models 109ET & 112ET; ≤ .01% / 24 hrs   Models 55ET, 57ET, 1357ET & 2153 ET: Synchronous with AC Power Synchronous clock motor - 4ºF to + 149ºF (- 20ºC to + 65ºC)   Compare 
BIG-VUE Series Analog Panel Meters Simpson Electric According to IEC 51/DIN EN 60051 High torque pivot and jewel 0 - 40 °C   Compare