Edgetech field-proven chilled mirror technology. One, two or three stage sensors available – integral or remote from controller. NIST traceable calibration certificate. Depression range choice of either 45, 65 or 95°C . (one, two or three-stage cooling) Automatic Balance Control (ABC) Automatically corrects for most mirror contaminants. Automatically restandardizes the instrument. You choose time and interval of restandardization,for best convenience. Increase the length of unattended operation. Dual alarm capability User programmable. Can be set for latching or auto-reset mode. Form C for greater versatility. Serial and analog outputs. RS232 communication with terminal, printer, or computer Remote programming. Data output such as dew point and alarm status. 0-5 VDC, 4-20 mA, 0-10 VDC, or 0-20mA User scalable to drive peripheral devices. Available simultaneously, one output per measurement parameter. Scalable throughout the entire operating range of psychrometric variables. Program via front panel or remote serial port. Pressure transducer input for psychrometric variable.