Supco CRTH2-220 Temperature, Humidity and Dew Point Recorder with LCD Display, 6" Chart Diameter, -40/130 F, 220V

Selectable chart speeds from 1-1/2 hours to 31 days. Temperature ranges from -40 to 130 degree F. With a 6' remote probe, 115V operation and battery back-up, the CRTH2 provides the ultimate in versatility and reliability. Built - in "Last Setting" memory. 2 Line LCD display. Easy-to-use membrane keypad. All functions user selectable from front panel. degree F / degree C selectable. Remote combination temperature/humidity probe with 6 foot cable. Field calibration of probe. Combination of 24 speed and temperature ranges. 6" circular chart. Chart number displayed when time and temperature ranges selected. Single turn or continuous chart rotation. 2 Independent pens. Alarm with delay for over and under temperature and humidity. Audible and visual alarm indication. Remote Alarm or telephone dialer connection. Optional 12 VDC operation for auto or marine. 48 hour battery back-up. Low battery warning on display. Durable polycarbonate case with full-view cover. Free standing or wall mount. Snap-on extra support legs. Fold away carrying handle. Temperature range: -40 degree F to 130 degree F. Temperature accuracy: +/- 2 degree F. RH range: 0 to 95 percent (non condensing) at 32 degree F to 130 degree F. RH accuracy: +/- 2 percent (0 degree C to 55 degree C) ambient. Dew Point Range: 32 degree F to 130 degree F. Chart rotation speed: 1.5, 3, 6, 12 and 24 hrs, 7 and 31 days. Chart speed accuracy: +/- 1 percent. Charts: 60 assorted included. Display: LCD 16 characters x 2 lines. Temperature alarm range: -20 degree F to 120 degree F. Relative humidity alarm range: 0 to 100 percent. Alarm delay: no delay, 10 mins., 30 mins., 1 hr. or 2 hrs. Remote alarm connection: NO, 48 VAC/DC, 0.1 A resistive load. Ambient operating temperature: 32 degree F to 120 degree F. Primary power: 220 VAC, 50/60 Hz. Alternate power: 12 V vehicle operation (need optional adapter). Battery backup: 8 AA alkaline batteries (not included). Battery life: 48 hrs continuous.