The PDT-440 PC-programmable, two-wire transmitter is designed for use with thermistor temperature sensors. It offers fully linearized output with respect to temperature (~140 points) and custom linearization for virtually any thermistor make or type. The transmitter features high resolution (0.015% of span) with high stability (>0.1% of span for 12 months). Thermistor input range is 0.01 to 2000 KW. Response time is 0.3 seconds to 90% of input (>3 updates per second). The unit includes a microprocessor that allows full customization with user-friendly, Windows(r)-compatible software. It re-quires no external power for communicating, configuring or reading the device.