Accsense VersaLog Data Loggers User’s Manual Page 27
(suggested) and Normal Close (Low to High) (not
suggested)
Voltage, solid state switch, coil relay, dry
contact, digital TTL signal.
VL-RTD-1 (for PT100)
Besides the on-board thermistor channel, VL-RTD-1 logger has four external channels used to
measure the external RTD sensors. The following figure illustrates the correct input connections: