Barnstead/Thermolyne 1200 Series Recorders

. Pulse-modulated servo pen drive uses maximum voltage; eliminates input averaging and ensures reliable, repeatable recording
. Automatic servo shutdown circuit protects against damage to recorder circuitry due to off-scale input signals
. Response time of 0.4 seconds full scale is ideal for use with trace analysis instrumentation
. Internal-crystal controlled chart drive may be remotely programmed by pulse train (TTL)
. Chart may be run in reverse via external control
. Zero control adjusts baseline reference from -100% to +100% for each channel of 1200 Series recorders
. Standard override event marker for on-line chart annotation
. Electronic pen lift and additional event marker control capabilities