The controller uses standard YSI-400 series (or compatible) thermistor probes

（suitable for CUY21 series）

These have been tested to level of 100V and 0

5 MΩ) electrodes

plus a large library of standard analytical functions to process data

700500 Headstage For Model 1800 Warmer The controller uses standard YSI-400Model 1800 Headstage The headstage for the Model 1800 is small and convenient. It is 0. 535 inches (1. 395 cm) in diameter and 4 inches (10. 2 cm) long. It includes a 0. 187 inch (4. 7 mm) diameter mounting rod and 5 feet (1. 5 m) of Superflex silicone jacketed cable which resists mild alkalis, acids and solvents. It has 0. 062 inch female pin connectors to attach to your sensors.