diff --git a/tools/meas.py b/tools/meas.py
index 089bbc5..fea3936 100644
--- a/tools/meas.py
+++ b/tools/meas.py
@@ -33,6 +33,10 @@ parser.add_argument("-o", "--output_file", type=str, help="")
 parser.add_argument("-g", "--show_graph", default=False, help="", action='store_true')
 # get config
 parser.add_argument("-c", "--get_config", default=False, help="", action='store_true')
+# enable clk
+parser.add_argument("-l", "--enable_clk", type=int, help="")
+# disable clk
+parser.add_argument("-L", "--disable_clk", type=int, help="")
 # save default config
 parser.add_argument("-S", "--save_config", default=False, help="", action='store_true')
 
@@ -62,6 +66,8 @@ CC_CMD_SET_DRIVE_STRENGTH = 0x04
 CC_CMD_SET_FREQ_STEP      = 0x05
 CC_CMD_START_MEASUREMENT  = 0x06
 CC_CMD_GET_CONFIG         = 0x10
+CC_CMD_EN_CLK             = 0x20
+CC_CMD_DIS_CLK            = 0x21
 CC_CMD_SAV_DFLT           = 0x22
 
 ###############################################################################
@@ -454,6 +460,20 @@ if __name__ == "__main__":
     sendSerialData([CC_CMD_GET_CONFIG])
     dataSend = dataSend + 1
 
+  if args.enable_clk != None:
+    if args.enable_clk < 0 or args.enable_clk > 2:
+      args.enable_clk = 0
+    print "Enabling clock output channel: %d" % (args.enable_clk)
+    sendSerialData([CC_CMD_EN_CLK, args.enable_clk])
+    dataSend = dataSend + 1
+
+  if args.disable_clk != None and args.enable_clk == None:
+    if args.disable_clk < 0 or args.disable_clk > 2:
+      args.disable_clk = 0
+    print "Disabling clock output channel: %d" % (args.disable_clk)
+    sendSerialData([CC_CMD_DIS_CLK, args.disable_clk])
+    dataSend = dataSend + 1
+
   if args.save_config == True:
     print "Save default configuration values..."
     sendSerialData([CC_CMD_SAV_DFLT])