Measurement 
            Methods | 
            Temperature: 
            Humidity: | 
            Semiconductor Sensor 
            High Molecular Electrostatic Capacity Sensor | 
        
        
            Measurement 
            Ranges | 
            Temperature: 
             
            Humidity: | 
            -20 to 50℃ / -4 to 122゜F 
            -20 to 80℃ / -4 to 176゜F(with sensor Extension Cable) 
            20 to 90%RH(No Condensation) 
            0 to 100%RH(with Sensor Extension Cable, No Condensation) | 
        
        
            | Display(LCD) | 
            Resolution 
            Temperature: 
            Humidity: 
            Others:Dew Point 
            :Absolute Humidity 
            :Time 
            :LCD Display | 
            0.1℃ / 0.1゜F 0.1%RH 
            -20 to 80℃ / -4 to 176゜F 
            0 to 100%RH 
            (-80 to 80℃ / -112 to 176゜F) 
            (0 to 290g/㎡) 
            Year, Month, Date, Time(24 hours) 
            Battery Checker, Alarm, Chart Speed, Setup Mode, etc | 
        
        
            Recording 
            (Chart form) | 
            Chart Paper 
            Working Width 
            Feeding 
            Feeding Accuracy | 
            Z-Fold Type, 12m / 39.37feet(Length)113㎜ / 4.45inch(Width) 
            100㎜(3.94inch)for record both Temperature and Humidity Sprocket 
            ± 3㎜ / 0.12inch(at 12m / 39.37 feet. Long Recording) | 
        
        
            | Accuracy | 
            Temperature 
            Humidity | 
            ±1.0℃ / ±1.8゜F at 0 to 50℃ / 32 to 122゜F 
            ± 3 %RH(at 25℃ / 77゜F) 
            *Accuracy Guarantee Range on Humidity is 10 to 90%RH | 
        
        
            | Calibration | 
            Temperature 
            Humidity | 
            1 Point 
            1 or 2 Point | 
        
        
            | Recording Range | 
            User Selectable among ①②③ with Switch | 
            *Temperature 
            ①-20 to 80℃ / -4 to 176゜F 
            ② 0 to 50℃ / 32 to 122゜F 
            ③±10℃,±25℃,±25゜F,or 50゜F 
            *Humidity 
            ① 0 to 100%RH 
            ②±10%RH or ±25%RH | 
        
        
            | Storage | 
            Storage Media 
            Capacity of recording | 
            SD CARD(128MB to 2 GB)*1 
            Maximum 16 months(Recorded per 1 minutes) | 
        
        
            Environmental 
            Conditions | 
            Ambient Temperature 
            Humidity | 
            -20 to 50℃ / -4 to 122゜F 
            20 to 90%RH (No Condensation) | 
        
        
            Power 
            Requirement | 
            Battery 
            AC Adaptor Inlet | 
            LR20, 1.5V x 4 pcs 
            Input 9 V 500mA | 
        
        
            Dimension 
            Weight | 
            W x H x D(mm / inch), 
            ㎏, lbs(Without Batteries) | 
            300 x 245 x 105 ㎜ / 11.8 x 9.6 x 4.1 inch, 
            2.1㎏ 4.6lbs | 
        
        
            | Other Features | 
             | 
            Desktop or Wall Mount Socket ( 2 holes) 
            3 ㎜(0.12 inch)marking on Temperature / Humidity Recording Pen Position Adjustment Automatically, or with Switch | 
        
        
            | Standard Accessories | 
             | 
            LR20, 1.5V x 4 
            1 Pcs Chart Paper 
            1 Pcs Blue / Red Fiber Tip Pen | 
        
        
            | Option Accessories | 
             | 
            Sensor Extension Cable 
            ( 5 m / 16.40feet, 20m / 65.62feet, 50m / 164.04feet) 
            Chart Paper( 5 Sheets / Box) 
            Chart Pen( 2 Blue & 2 Red pens)/ Box |