diff --git a/script/local.py b/script/local.py
index 85c0e36..a5b1416 100644
--- a/script/local.py
+++ b/script/local.py
@@ -69,6 +69,19 @@ sim_energy = SimulatedEnergy()
 sim_energy_readback = SimulatedEnergyReadback()
 
 
+
+class TeyNorm(ReadonlyRegisterBase):
+    def read(self):
+        return signal_tey.take() / signal_i0.take();
+    
+class TransNorm(ReadonlyRegisterBase):
+    def read(self):
+        return signal_trans.read() / signal_i0.read();
+
+add_device(TeyNorm("tey_norm"), True)
+add_device(TransNorm("trans_norm"), True)
+
+
 ###################################################################################################
 # Utilities
 ###################################################################################################
@@ -373,14 +386,14 @@ def scan_e(start, end, step, settling_time = 0, accumulation_time = None):
     """
     """
     #wait_beam()
-    acc = Accumulator([signal_tey, signal_i0, signal_trans], accumulation_time)    
+    acc = Accumulator([signal_tey, signal_i0, signal_trans, tey_norm, trans_norm], accumulation_time)    
     detectors = acc.getSensors() + [polmod, pol_angle, temperature, current]
     lscan(energy, detectors, float(start), float(end), float(step), latency = settling_time)
 
 def scan_e_mult(ranges, settling_time = 0, accumulation_time = None):
     """
     """
-    acc = Accumulator([signal_tey, signal_i0, signal_trans], accumulation_time)
+    acc = Accumulator([signal_tey, signal_i0, signal_trans, tey_norm, trans_norm], accumulation_time)
     detectors = acc.getSensors() + [polmod, pol_angle, temperature, current]
     rscan(energy, detectors, ranges, latency = settling_time)