diff --git a/tests/measure.py b/tests/measure.py
new file mode 100644
index 0000000..4395517
--- /dev/null
+++ b/tests/measure.py
@@ -0,0 +1,17 @@
+#!/usr/bin/env python3
+import sensor
+import time
+
+addr = 247
+baud = 19200
+output_file = 'log'
+
+s = sensor.Sensor(address=addr, baudrate=baud)
+while True:
+    with open('log','a+') as f:
+        values = f'{time.time():.2f} '
+        for reg_name, reg_number in sensor.Sensor.input_registers.items():
+            values += f'{int(s.read_register(reg_number))} '
+        values += '\n'
+        f.write(values)
+    time.sleep(10)