diff --git a/PMS5003/PMS5003.cs b/PMS5003/PMS5003.cs
index 00df55b..07601e7 100644
--- a/PMS5003/PMS5003.cs
+++ b/PMS5003/PMS5003.cs
@@ -96,6 +96,7 @@ namespace PMS5003
                 finally
                 {
                     currentTry += 1;
+                    Thread.Sleep(1000);
                 }
             }