diff --git a/src/instrument_descriptions/Preassure.yaml b/src/instrument_descriptions/Preassure.yaml
index 08b0ae0..6e563e3 100644
--- a/src/instrument_descriptions/Preassure.yaml
+++ b/src/instrument_descriptions/Preassure.yaml
@@ -7,75 +7,75 @@ table_header:
     desc: Time of the measurement
     unit: HH:MM:SS
     rename_as: time
-  2_Vapore-Pressure_1_in:
+  2_Vapore-Pressure 1 in:
     desc: Vapor pressure measurement 1
-    unit: inHg
+    unit: unspecified
     rename_as: vapore_pressure_1_in
-  3_Vapore-Pressure_2_in:
+  3_Vapore-Pressure 2 in:
     desc: Vapor pressure measurement 2
-    unit: inHg
+    unit: unspecified
     rename_as: vapore_pressure_2_in
-  4_Baratron_1_in:
+  4_Baratron 1 in:
     desc: Baratron measurement 1
     unit: unspecified
     rename_as: baratron_1_in
-  5_Baratron_2_in:
+  5_Baratron 2 in:
     desc: Baratron measurement 2
     unit: unspecified
     rename_as: baratron_2_in
-  6_Baratron_3_in:
+  6_Baratron 3 in:
     desc: Baratron measurement 3
     unit: unspecified
     rename_as: baratron_3_in
-  7_Baratron_4_in:
+  7_Baratron 4 in:
     desc: Baratron measurement 4
     unit: unspecified
     rename_as: baratron_4_in
-  8_Temp_Ice-Sample_in:
+  8_Temp. Ice-Sample in:
     desc: Temperature of ice sample
-    unit: °C
+    unit: Celcius
     rename_as: temp_ice_sample_in
-  9_Temp_Heated-Sample_in:
+  9_Temp. Heated-Sample in:
     desc: Temperature of heated sample
-    unit: °C
+    unit: Celcius
     rename_as: temp_heated_sample_in
-  10_Temp_Cooler_1_in:
+  10_Temp. Cooler 1 in:
     desc: Temperature of cooler 1
-    unit: °C
+    unit: Celcius
     rename_as: temp_cooler_1_in
-  11_Temp_Cooler_2_in:
+  11_Temp. Cooler 2 in:
     desc: Temperature of cooler 2
-    unit: °C
+    unit: Celcius
     rename_as: temp_cooler_2_in
-  12_Flow_Gas_1_in:
+  12_Flow Gas 1 in:
     desc: Gas flow rate 1
     unit: unspecified
     rename_as: flow_gas_1_in
-  13_Pressure_Chamber_in:
+  13_Pressure Chamber in:
     desc: Pressure in chamber
     unit: unspecified
     rename_as: pressure_chamber_in
-  14_X_in:
+  14_X in:
     desc: X coordinate
     unit: unspecified
     rename_as: x_in
-  15_Y_in:
+  15_Y in:
     desc: Y coordinate
     unit: unspecified
     rename_as: y_in
-  16_Z_in:
+  16_Z in:
     desc: Z coordinate
     unit: unspecified
     rename_as: z_in
-  17_None_in:
+  17_None in:
     desc: None measurement
     unit: unspecified
     rename_as: none_in
-  18_Temp_Sealing_in:
+  18_Temp. Sealing in:
     desc: Temperature of sealing
-    unit: °C
+    unit: Celcius
     rename_as: temp_sealing_in
-  19_Flow_Ice-Sample_in:
+  19_Flow Ice-Sample in:
     desc: Flow of ice sample
     unit: unspecified
     rename_as: flow_ice_sample_in