diff --git a/SmartAquaViewer/DataAnalisys/WaterQualityVO.cs b/SmartAquaViewer/DataAnalisys/WaterQualityVO.cs
index 1bff4d2..8b008dd 100644
--- a/SmartAquaViewer/DataAnalisys/WaterQualityVO.cs
+++ b/SmartAquaViewer/DataAnalisys/WaterQualityVO.cs
@@ -11,11 +11,23 @@ namespace SmartAquaViewer.DataAnalysis
         [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
         public int Id { get; set; }
 
+        /// <summary>
+        /// 측정 시각
+        /// </summary>
         [Column("recorded_time")]
         public DateTime RecordedTime { get; set; }
 
+        /// <summary>
+        /// 저수조
+        /// </summary>
         public WaterTank Tank { get; set; } = new();
+        /// <summary>
+        /// 여과 시스템
+        /// </summary>
         public FilteringSystem Filtering { get; set; } = new();
+        /// <summary>
+        /// 살균 시스템
+        /// </summary>
         public SterilizingSystem Sterilizing { get; set; } = new();
 
         public WaterQualityVO() { }
@@ -101,21 +113,35 @@ namespace SmartAquaViewer.DataAnalysis
     [Owned]
     public class WaterTank
     {
+        /// <summary>
+        /// 저수조 번호
+        /// </summary>
         [Column("tank_number")]
         public int Number { get; set; }
 
+        /// <summary>
+        /// Dissolved Oxygen (mg/L)
+        /// </summary>
         [Column("tank_do_value")]
         public double DOValue { get; set; }
-
+        /// <summary>
+        /// pH (산도)
+        /// </summary>
         [Column("tank_ph")]
         public double PH { get; set; }
-
+        /// <summary>
+        /// 산화환원전위 (mV)
+        /// </summary>
         [Column("tank_orp")]
         public double ORP { get; set; }
-
+        /// <summary>
+        /// 수온 (°C)
+        /// </summary>
         [Column("tank_temperature")]
         public double Temperature { get; set; }
-
+        /// <summary>
+        /// 유량 (m³/s)
+        /// </summary>
         [Column("tank_flow_rate")]
         public double FlowRate { get; set; }
 
@@ -135,39 +161,75 @@ namespace SmartAquaViewer.DataAnalysis
     [Owned]
     public class FilteringSystem
     {
+        /// <summary>
+        /// 모래여과기 전원 (true: ON, false: OFF)
+        /// </summary>
         [Column("filter_sand_filter_power")]
         public bool SandFilterPower { get; set; }
 
+        /// <summary>
+        /// 섬프탱크 pH (산도)
+        /// </summary>
         [Column("filter_sump_ph")]
         public double SumpPH { get; set; }
 
+        /// <summary>
+        /// 섬프탱크 산화환원전위 (mV)
+        /// </summary>
         [Column("filter_sump_orp")]
         public double SumpORP { get; set; }
 
+        /// <summary>
+        /// 섬프탱크 수위 (m)
+        /// </summary>
         [Column("filter_sump_water_level")]
         public double SumpWaterLevel { get; set; }
 
+        /// <summary>
+        /// 섬프탱크 유량 (m³/s)
+        /// </summary>
         [Column("filter_sump_flow_rate")]
         public double SumpFlowRate { get; set; }
 
+        /// <summary>
+        /// 섬프탱크 수온 (°C)
+        /// </summary>
         [Column("filter_sump_temperature")]
         public double SumpTemperature { get; set; }
 
+        /// <summary>
+        /// 순환펌프 전원 (true: ON, false: OFF)
+        /// </summary>
         [Column("filter_circulation_pump_power")]
         public bool CirculationPumpPower { get; set; }
 
-        [Column("filter_inverter_status")]
+        /// <summary>
+        /// 인버터 제어기 상태
+        /// </summary>
+        [Column("filter_inverter_controller_status")]
         public string? InverterControllerStatus { get; set; }
 
+        /// <summary>
+        /// 순환펌프 유량 (m³/s)
+        /// </summary>
         [Column("filter_flow_rate")]
         public double FlowRate { get; set; }
 
+        /// <summary>
+        /// 히트펌프 전원 (true: ON, false: OFF)
+        /// </summary>
         [Column("filter_heat_pump_power")]
         public bool HeatPumpPower { get; set; }
 
+        /// <summary>
+        /// 히트펌프 온도 (°C)
+        /// </summary>
         [Column("filter_heat_pump_temperature")]
         public double HeatPumpTemperature { get; set; }
 
+        /// <summary>
+        /// 에어브로와 전원 (true: ON, false: OFF)
+        /// </summary>
         [Column("filter_air_blower_power")]
         public bool AirBlowerPower { get; set; }
 
@@ -196,21 +258,39 @@ namespace SmartAquaViewer.DataAnalysis
     [Owned]
     public class SterilizingSystem
     {
+        /// <summary>
+        /// 오존 발생기 전원 (true: ON, false: OFF)
+        /// </summary>
         [Column("ster_ozone_generator_power")]
         public bool OzoneGeneratorPower { get; set; }
 
+        /// <summary>
+        /// 자외선 살균기 ID
+        /// </summary>
         [Column("ster_uv_sterilizer_id")]
-        public string UVSterilizerId { get; set; } = string.Empty;
+        public string UVSterilizerId { get; set; }
 
+        /// <summary>
+        /// 자외선 살균기 전원 (true: ON, false: OFF)
+        /// </summary>
         [Column("ster_uv_sterilizer_power")]
         public bool UVSterilizerPower { get; set; }
 
+        /// <summary>
+        /// 오존용해장치 전원 (true: ON, false: OFF)
+        /// </summary>
         [Column("ster_ozone_dissolver_power")]
         public bool OzoneDissolverPower { get; set; }
 
+        /// <summary>
+        /// 오존용해장치 압력 (kPa)
+        /// </summary>
         [Column("ster_ozone_dissolver_pressure")]
         public double OzoneDissolverPressure { get; set; }
 
+        /// <summary>
+        /// 배오존장치 전원 (true: ON, false: OFF)
+        /// </summary>
         [Column("ster_excess_ozone_destroyer_power")]
         public bool ExcessOzoneDestroyerPower { get; set; }