The 17669 is a Model 2152 Century Style analog AC ammeter designed for panel mounting. It features a magnetically damped, iron-vane movement with a pivot and jewel suspension, providing a measurement range of 0-10A AC with an accuracy of ±2% of full scale. The meter has an approximate impedance of 0.004 Ohms at 60 Hz and a maximum response time of 1.5 seconds. Housed in a rugged, 2-1/2 inch black plastic case with a glass window and a knife-edge pointer for precision, this UL recognized meter is suitable for applications requiring reliable AC current monitoring in an operating temperature range of -20°C to +65°C.