diff --git a/TrackerConditions/fcl/prolog.fcl b/TrackerConditions/fcl/prolog.fcl
index b118786edd..0b9555c2fa 100644
--- a/TrackerConditions/fcl/prolog.fcl
+++ b/TrackerConditions/fcl/prolog.fcl
@@ -88,6 +88,7 @@ StrawPhysics : {
 StrawElectronics : {
   verbose : 0
   useDb : false
+  overrideDbTimeOffsets : false
 
   defaultThresholddVdI : 8.43e6
   thresholddVdI : []
diff --git a/TrackerConditions/inc/StrawElectronics.hh b/TrackerConditions/inc/StrawElectronics.hh
index ddf489d756..baeb2f05b3 100644
--- a/TrackerConditions/inc/StrawElectronics.hh
+++ b/TrackerConditions/inc/StrawElectronics.hh
@@ -51,7 +51,7 @@ namespace mu2e {
       constexpr static const char* cxname = {"StrawElectronics"};
 
       // construct with constants, then some values are computed and filled below
-      StrawElectronics( double tdeadAnalog, double tdeadDigital, double vsat,
+      StrawElectronics( bool overrideDbTimeOffsets, double tdeadAnalog, double tdeadDigital, double vsat,
           double snoise, double ADCLSB, int maxADC, unsigned nADCPackets, unsigned nADCpre,
           double ADCPeriod, double ADCOffset,
           unsigned maxtsep,
@@ -79,6 +79,7 @@ namespace mu2e {
           double triggerHysteresis,
           double clusterLookbackTime) :
             ProditionsEntity(cxname),
+            _overrideDbTimeOffsets(overrideDbTimeOffsets),
             _tdeadAnalog(tdeadAnalog), _tdeadDigital(tdeadDigital), _vsat(vsat),
             _snoise(snoise), _ADCLSB(ADCLSB), _maxADC(maxADC), _nADCPackets(nADCPackets),
             _nADCpre(nADCpre), _ADCPeriod(ADCPeriod), _ADCOffset(ADCOffset),
@@ -210,7 +211,10 @@ namespace mu2e {
       double getTimeOffsetStrawHV(size_t istraw) const { return _timeOffsetStrawHV[istraw]; }
       double getTimeOffsetStrawCal(size_t istraw)const { return _timeOffsetStrawCal[istraw]; }
 
+      bool overrideDbTimeOffsets() const { return _overrideDbTimeOffsets; }
+
     private:
+      bool _overrideDbTimeOffsets; // for digitization we override Db parameters and zero all time offsets
 
       // generic waveform parameters
       std::array<std::array<double, StrawId::_nustraws>,npaths> _dVdI; // scale factor between charge and voltage (milliVolts/picoCoulombs)
diff --git a/TrackerConditions/src/StrawElectronicsMaker.cc b/TrackerConditions/src/StrawElectronicsMaker.cc
index d4d16fd111..8c8fc3da66 100644
--- a/TrackerConditions/src/StrawElectronicsMaker.cc
+++ b/TrackerConditions/src/StrawElectronicsMaker.cc
@@ -20,7 +20,8 @@ namespace mu2e {
 
     // creat this at the beginning since it must be used,
     // partially constructed, to complete the construction
-    auto ptr = std::make_shared<StrawElectronics>(_config.deadTimeAnalog(),
+    auto ptr = std::make_shared<StrawElectronics>(
+        _config.overrideDbTimeOffsets(), _config.deadTimeAnalog(),
         _config.deadTimeDigital(), _config.saturationVoltage(), _config.strawNoise(),
         _config.ADCLSB(), _config.maxADC(), _config.nADCPackets(), _config.nADCPresamples(),
         _config.ADCPeriod(), _config.ADCOffset(),
@@ -273,13 +274,24 @@ namespace mu2e {
     std::array<double, StrawId::_nupanels> timeOffsetPanel;
     std::array<double, StrawId::_nustraws> timeOffsetStrawHV;
     std::array<double, StrawId::_nustraws> timeOffsetStrawCal;
-    for(size_t i=0; i<StrawId::_nupanels; i++) {
-      timeOffsetPanel[i] = tdp->rowAt(i).delay();
-    }
-    for(size_t i=0; i<StrawId::_nustraws; i++) {
-      size_t istraw = i % StrawId::_nstraws;
-      timeOffsetStrawHV[i] = tdrs->rowAt(istraw).delayHv() + tps->rowAt(i).delayHv();
-      timeOffsetStrawCal[i] = tdrs->rowAt(istraw).delayCal() + tps->rowAt(i).delayCal();
+
+    if (ptr->overrideDbTimeOffsets()){
+      for(size_t i=0; i<StrawId::_nupanels; i++) {
+        timeOffsetPanel[i] = 0;
+      }
+      for(size_t i=0; i<StrawId::_nustraws; i++) {
+        timeOffsetStrawHV[i] = 0;
+        timeOffsetStrawCal[i] = 0;
+      }
+    }else{
+      for(size_t i=0; i<StrawId::_nupanels; i++) {
+        timeOffsetPanel[i] = tdp->rowAt(i).delay();
+      }
+      for(size_t i=0; i<StrawId::_nustraws; i++) {
+        size_t istraw = i % StrawId::_nstraws;
+        timeOffsetStrawHV[i] = tdrs->rowAt(istraw).delayHv() + tps->rowAt(i).delayHv();
+        timeOffsetStrawCal[i] = tdrs->rowAt(istraw).delayCal() + tps->rowAt(i).delayCal();
+      }
     }
 
     ptr->setOffsets( timeOffsetPanel,
diff --git a/TrackerConditions/test/TrkPreampStrawRandomize.py b/TrackerConditions/test/TrkPreampStrawRandomize.py
index 7b47acbcbf..b1ea143921 100644
--- a/TrackerConditions/test/TrkPreampStrawRandomize.py
+++ b/TrackerConditions/test/TrkPreampStrawRandomize.py
@@ -3,34 +3,54 @@
 import sys
 import numpy as np
 
+NPlanes = 36
+NPanels = 6
+NStraws = 96
+NUStraws = NPlanes*NPanels*NStraws
+
 if len(sys.argv) < 7:
-  print("Usage: python TrkPreampStrawRandomize.py <output filename> <time delay sigma (ns)> <mean threshold (mv)> <threshold sigma (mv)> <mean adc gain> <adc gain sigma>")
+  print("Usage: python TrkPreampStrawRandomize.py <output filename> <seed> <absolute time offset sigma (ns)> <deltat time offset sigma (ns)> <cal mean threshold (mv)> <mean hv-cal threshold (mv)> <cal threshold sigma (mv)> <hv threshold sigma (mv)> <mean adc gain> <adc gain sigma>")
   sys.exit()
 
 fn = sys.argv[1]
 
-delay_sigma = float(sys.argv[2])
-mean_threshold = float(sys.argv[3])
-threshold_sigma = float(sys.argv[4])
-mean_adc = float(sys.argv[5])
-adc_sigma = float(sys.argv[6])
+seed = int(sys.argv[2])
+abs_delay_sigma = float(sys.argv[3])
+dt_delay_sigma = float(sys.argv[4])
+mean_threshold = float(sys.argv[5])
+threshold_offset = float(sys.argv[6])
+cal_threshold_sigma = float(sys.argv[7])
+hv_threshold_sigma = float(sys.argv[8])
+mean_adc = float(sys.argv[9])
+adc_sigma = float(sys.argv[10])
 
 fout = open(fn,"w")
-fout.write("# Randomized calibration from TrkPreampStrawRandomize.py, parameters: delay sigma = %f, mean threshold = %f, threshold sigma = %f, mean adc gain = %f, adc gain sigma = %f\n" %
-    (delay_sigma, mean_threshold, threshold_sigma, mean_adc, adc_sigma))
+fout.write("# Randomized calibration from TrkPreampStrawRandomize.py, parameters:\n")
+fout.write("# absolute time offset sigma = %f ns\n" % (abs_delay_sigma))
+fout.write("# deltat time offset sigma = %f ns\n" % (dt_delay_sigma))
+fout.write("# cal mean threshold = %f mv\n" % (mean_threshold))
+fout.write("# mean hv-cal threshold = %f mv\n" % (threshold_offset))
+fout.write("# cal threshold sigma = %f mv\n" % (cal_threshold_sigma))
+fout.write("# hv threshold sigma = %f mv\n" % (hv_threshold_sigma))
+fout.write("# mean adc gain = %f\n" % (mean_adc))
+fout.write("# adc gain sigma = %f %%\n" % (adc_sigma))
 fout.write("# python ")
 for i in range(len(sys.argv)):
   fout.write(sys.argv[i] + " ")
 fout.write("\n#\n#\n#\n")
 
+rng = np.random.default_rng(seed)
+
 fout.write("TABLE TrkPreampStraw\n")
 fout.write("# index,delay_hv,delay_cal,threshold_hv,threshold_cal,gain\n")
-for index in range(36*6*96):
-  delay_hv = np.random.normal(0,delay_sigma)
-  delay_cal = np.random.normal(0,delay_sigma)
-  threshold_hv = np.random.normal(mean_threshold,threshold_sigma)
-  threshold_cal = np.random.normal(mean_threshold,threshold_sigma)
-  gain = np.random.normal(mean_adc,adc_sigma)
-  fout.write("%d, %f, %f, %f, %f, %f\n" % (index, delay_hv, delay_cal, threshold_hv, threshold_cal, gain))
+abs_delay = rng.normal(0,abs_delay_sigma,NUStraws)
+dt_delay = rng.normal(0,dt_delay_sigma,NUStraws)
+threshold_hv = rng.normal(mean_threshold+threshold_offset,hv_threshold_sigma,NUStraws)
+threshold_cal = rng.normal(mean_threshold,cal_threshold_sigma,NUStraws)
+gain = rng.normal(mean_adc,adc_sigma/100.*mean_adc,NUStraws)
+for i in range(NUStraws):
+  delay_hv = abs_delay[i] + dt_delay[i]/2.
+  delay_cal = abs_delay[i] - dt_delay[i]/2.
+  fout.write("%d, %f, %f, %f, %f, %f\n" % (i, delay_hv, delay_cal, threshold_hv[i], threshold_cal[i], gain[i]))
 
 fout.close()
diff --git a/TrackerConfig/inc/StrawElectronicsConfig.hh b/TrackerConfig/inc/StrawElectronicsConfig.hh
index 0fd6da3da8..afeb7e5937 100644
--- a/TrackerConfig/inc/StrawElectronicsConfig.hh
+++ b/TrackerConfig/inc/StrawElectronicsConfig.hh
@@ -16,6 +16,8 @@ namespace mu2e {
       Name("verbose"), Comment("verbosity: 0 or 1")}; 
     fhicl::Atom<bool> useDb{
       Name("useDb"), Comment("use database or fcl")}; 
+    fhicl::Atom<bool> overrideDbTimeOffsets{
+      Name("overrideDbTimeOffsets"), Comment("Override Db time offsets and set to zero")};
 
     fhicl::Atom<double> defaultThresholddVdI {
       Name("defaultThresholddVdI"), Comment("defaultThresholddVdI")};