diff --git a/app/src/main/java/com/example/medilightv2android/ble/BleManager.kt b/app/src/main/java/com/example/medilightv2android/ble/BleManager.kt
index aea0331..2e687b7 100644
--- a/app/src/main/java/com/example/medilightv2android/ble/BleManager.kt
+++ b/app/src/main/java/com/example/medilightv2android/ble/BleManager.kt
@@ -807,7 +807,7 @@ class BleManager private constructor(private val context: Context) {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
                 if (characteristic.uuid == RX_CHAR_UUID) {
                     if (value.size < 4) return
-                    handler.post { processReceivedData(value) }
+                    processReceivedData(value)
                 }
             }
         }
@@ -819,7 +819,7 @@ class BleManager private constructor(private val context: Context) {
                     @Suppress("DEPRECATION")
                     val data = characteristic.value ?: return
                     if (data.size < 4) return
-                    handler.post { processReceivedData(data) }
+                    processReceivedData(data)
                 }
             }
         }
diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
index cf45846..1cecf87 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/monitoring/PiezoMonitoringView.kt
@@ -358,9 +358,9 @@ fun PiezoMonitoringView(appState: AppState) {
                         kotlinx.coroutines.delay(100)
                     }
                     autoTickCount++
-                    // 최소 1000ms 간격 보장 (기기 측정 한계 ~0.6초 + 여유)
+                    // 최소 1500ms 간격 보장 (기기 연속 maa 채널 드롭 방지)
                     val elapsed = System.currentTimeMillis() - measureStartMs
-                    val remaining = 1000L - elapsed
+                    val remaining = 1500L - elapsed
                     if (remaining > 0) kotlinx.coroutines.delay(remaining)
                 }
                 kotlinx.coroutines.delay(50)