If the photograph is clicked, it grows.

Chop Frequency 4Hz-400Hz,400-3.7KHz Stability 250ppm/degC Drift <2% 100Hz-3700Hz Phase Jitter 0.2deg (50-400Hz) 0.5deg (400-3700Hz) Frequency Display 4digits 1Hz resolution Frequency Control 10turn dial 4-40Hz,40-400Hz,400-3700Hz Input control Voltage 0-10VDC 0-100% Overrides Frequency dial Reference Mode: Finner, Fouter, 5*Fouter, Finner+Fouter ,Fouter-Finner AC100-240V 12W