Grain Humidity Meter Digital LCD Display Grain Humidity Tester with Double Probe for Rice Wheat Corn Bean Voice Prompt English Version Item Type: Grain Humidity Meter Material: ABS Weight: Approx. 327.00g / 11.53oz Battery: 4 x AA Battery (Not Included) Size: Approx. 410x72x35mm / 16.14x2.83x1.38in Measurement: Rice, Wheat, Corn, Barley, Rice, Sorghum, Feed, Rapeseed, Sesame, Soybean Meal, Soybeans Sensor Shape: Dual Rod Probe Humidity Content Display Resolution: 0.1% Testing Principle And Sampling Method: Resistance Method And Continuous Sampling Low Battery Reminder: When The Battery Is Low, The Battery Symbol On The Device Will Flash And Voice Prompt Please Replace The Battery. Humidity Measurement Display Description: When The Device Is Inserted Into The Test Material, As Long As The Humidity Content Of The Test Material Is Within The Device's Test Range, The Device Can Measure The Humidity Content Of The Test Material. If The Test Material Is Too Dry And Below The Lower Limit Of The Device's Measurement Range, The Device Will Show L0 With No Response. If The Test Material Is Too Wet And Exceeds The Upper Limit Of The Device's Measurement Range, The Device Will Only Display The Upper Limit. Single Measurement: Insert The Probe Of The Device Into The Test Material, And Within Seconds, The Device Will Display The Humidity Reading Value And Voice The Measurement Result, Ending The Single Measurement. Auto Power Off: 5 Minutes Of No Operation Will Result In Automatic Shutdown.