diff --git a/measurements.py b/measurements.py
index c6d0405..e2ef629 100644
--- a/measurements.py
+++ b/measurements.py
@@ -10,15 +10,15 @@ class Template(metaclass=PoolMeta):
 
     temperature = fields.Float("Temperature")
     temperature_uom = fields.Many2One('product.uom', 'Temperature UOM',
-                                      domain=[('category', '=', Id('product', "uom_cat_temperature"))])
+                                      domain=[('category', '=', Id('optical_equipment', "uom_cat_temperature"))])
     frequency = fields.Float("Frequency")
-    frequency_uom = fields.Many2One('product.uom', "Frequency UOM")
-                                    # ,domain = [('category', '=', Id('product', 'uom_cat_frequency'))])
+    frequency_uom = fields.Many2One('product.uom', "Frequency UOM",
+                                      domain=[('category', '=', Id('optical_equipment', 'uom_cat_frequency'))])
     wet = fields.Float("Wet")
     wet_uom = fields.Many2One('product.uom', "Wet UOM")
     voltageAC = fields.Float("Voltage AC")
-    voltageAC_uom = fields.Many2One('product.uom', "Voltage AC UOM")
-                                      #,domain = [('category', '=', Id('product', 'uom_cat_electrical_tension'))])
+    voltageAC_uom = fields.Many2One('product.uom', "Voltage AC UOM",
+                                      domain=[('category', '=', Id('optical_equipment', 'uom_cat_electrical_tension'))])
     voltageDC = fields.Float("Voltage DC")
-    voltageDC_uom = fields.Many2One('product.uom', "Voltage DC UOM")
-                                      #,domain = [('category', '=', Id('product', 'uom_cat_electrical_tension'))])
+    voltageDC_uom = fields.Many2One('product.uom', "Voltage DC UOM",
+                                      domain=[('category', '=', Id('optical_equipment', 'uom_cat_electrical_tension'))])