diff --git a/tests/minimalmodbus_test.py b/tests/minimalmodbus_test.py
index 0b01c42..b504c4f 100755
--- a/tests/minimalmodbus_test.py
+++ b/tests/minimalmodbus_test.py
@@ -15,11 +15,14 @@ instrument.mode = minimalmodbus.MODE_RTU   # rtu or ascii mode
 instrument.clear_buffers_before_each_transaction = True
 
 # read
-T = 0
-RH = T
 CO2 = instrument.read_register(9, 1, functioncode=4) * 10
 sleep(0.1)
-T = instrument.read_register(10, 1, functioncode=4)
+T_SHT4x = instrument.read_register(10, 1, functioncode=4)
 sleep(0.1)
-RH = instrument.read_register(11, 1, functioncode=4) * 10
-print(f'CO2: {CO2} ppm\t\tT: {T} deg C\t\tRH: {RH} %')
+RH_SHT4x = instrument.read_register(11, 1, functioncode=4) * 10
+sleep(0.1)
+T_SCD4x = instrument.read_register(12, 1, functioncode=4)
+sleep(0.1)
+RH_SCD4x = instrument.read_register(13, 1, functioncode=4) * 10
+print(f'CO2:\t\t{CO2} ppm\nT_SHT4x:\t{T_SHT4x} deg C\nRH_SHT4x:\t{RH_SHT4x} %')
+print(f'T_SCD4x:\t{T_SCD4x} deg C\nRH_SCD4x:\t{RH_SCD4x} %')