美国进口小鹰公司EAGLE SIGNAL厂家生产的飞鹰牌百分比定时器，百分率计时器。 型号HQ4E03S48A6， 具有精度高，性能可靠等优点。广泛应用于喷灌，灌溉，机床等行业里。
The HQ4E series 48 percentage timer is an accurate, economical,
enclosed percentage timer designed for use in applications where a
repetitive ON time of a fixed cycle needs to be variable. The HQ4E
series 48 percentage timer is ideally suited for:
■ Irrigation controls
■ Chemical feeding
■ Program temperature controls
■ Electric heaters, ovens
■ Motor control
■ Lubrication systems
The HQ4 series 48 percentage timer is a panel mounted unit with
exposed dial. The heavy duty front dial plate has 4 mounting studs for
simple and secure mounting to panels up to 1/4 inch thick.The load
relays are enclosed for environmental protection.Electrical connections
are made to captive screw terminals on the rear of the unit.