diff --git a/src/main/java/com/dreamworks/boditech/driver/consumable/CsmSampleTube.java b/src/main/java/com/dreamworks/boditech/driver/consumable/CsmSampleTube.java
index ed7a1a5..055cc91 100644
--- a/src/main/java/com/dreamworks/boditech/driver/consumable/CsmSampleTube.java
+++ b/src/main/java/com/dreamworks/boditech/driver/consumable/CsmSampleTube.java
@@ -2,6 +2,8 @@ package com.dreamworks.boditech.driver.consumable;
 import com.dreamworks.boditech.driver.Device;
 import java.util.Objects;
 public class CsmSampleTube {
+    // tube type : Epp 1.5
+    public static final String TYPE_EPP15 = "Epp1.5";
     // tube type : Epp 0.5
     public static final String TYPE_EPP05 = "Epp0.5";
     // tube type : blood tube 3ml
@@ -55,6 +57,8 @@ public class CsmSampleTube {
             return this.device.getLocationByName("regularBloodTube3mlDepth");
         } else if (CsmSampleTube.TYPE_EPP05.equals(this.type)) {
             return this.device.getLocationByName("regularEpp0.5mlDepth");
+        } else if (CsmSampleTube.TYPE_EPP15.equals(this.type)) {
+            return this.device.getLocationByName("regularEpp1.5mlDepth");
         } else {
             throw new RuntimeException("unknown tube type " + this.type);
         }