• Chart Diameter: 6 inches
• Chart Rotation Mode: Continuous or Single turn
• Chart Rotation Speed: 1.5, 3, 6, 12 & 24 hours, 7 & 31 days
• Chart Speed Accuracy: +/- 1%
• Temperature alarms range: -20 to +120F (-30 to +50C)
• Relative Humidity alarm range: 0 to 100%
• Alarm delay: No delay, 10 min., 30 min., 1 hour or 2 hours
• Remote Alarm Connection: No, 48 VAC/DC, 0.4A resistive load
• Operating Temperature: 32 to +120F (0 to 49C)
• Primary Power: 115 VAC, 50/60 Hz
• Battery Life: 48 hours continuous
• Battery backup: 8 AA alkaline batteries
• PROBE SPECIFICATIONS:
• Temperature Range: -40 to 130F (-40 to 55C)
• Accuracy: +/- 2F/1C
• RH Range: 0 to 100% at 32 to 130F (0 to 55C) ambient
• Dew Point Range: 32 to 130F (0 to 55C)

NOTE: Includes CR4 Universal Chart Recorder and one KTH Temp/RH probe