The ENV-416S provides a full range of 0-10 ma aversive stimulation produced by an advanced solid-state current source. The design allows for a much safer lower source voltage. The metering circuit uses a classic design in which the current is set to the desired level and when the aversive stimulation is delivered the meter produces a large dip under a fault condition, such as when a wire is disconnected. Under a normal condition it remains steady. The unit delivers an adjustable two pole or scrambled square wave. The ENV-416S features a 200 ms safety switch that can limit the aversive stimulation to a maximum of 200 ms. The safety switch may be turned off if longer durations are desired.
The grid rod floor connects to the system by a standard DB-9 plug. The unit has a self-contained power
supply and can be controlled by a 28 V DC to ground signal, a 5 volt TTL signal, or a remote switch closure, thus allowing maximum flexibility.
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