Check the listing for details. Digital Humidity Temperature Meter Accurate Reading and User-Friendly Features. Condition: New. Listed at 89.88 USD. HUMIDITY METER HT6290 Product Description Widely used in workshops, offices, plantes, libraries, computer stations, laboratories and warehouses. * Used the exclusive MICRO-COMPUTER LSI circuit and crystal time base to offer the high accuracy meas-urement & fast measuring time. * Digital display gives exact reading with no guessing or errors. * Wide measuring range & high resolution. * The Last Values / Max. Values / Min. Values of both Humidity and Temperature will be automatically stored in memory and can be displayed by turn. * The use of durable, long-lasting components, including a strong, light weight ABS-plastic housing assures maintenance free performance for many years. The housing has been carefully shaped to fit comfortably in either hand. Display 10 mm LCD Measuring Range Humidity 10 ~ 95 %RH Temp. -10 ~ 60 °C(14 ~ 140 °F) Resolution Humidity 0.1 %RH Temp. 0.1 °C / 0.1 °F Accuracy Humidity 2.5% ± 1% RH Temp. ± 0.5 °C Sensor Type Humidity Capacitor Temp. Resistance Sampling Time 0.4 Seconds Memory Last Value, Max. Value, Min Value Time Base Quartz Crystal Power Supply 4 x 1.5 V AA Size (UM-3) Battery Dimensions 161 x 69 x 32 mm ( 6.6 x 2.7 x 1.3 inch ) Weight 300 g / 0.65 lb (Including Batteries) Standard Accessories: 1. Main Unit 2. Carrying Case (B01) 3. Operation Manual Packaging & Shipping 1 unit is 1kg. carton size: 26*26*8.5cm 20pcs is 14.5kg. carton size: 45*28*57cm