diff --git a/ohmpi/hardware_components/mb_2023_0_X.py b/ohmpi/hardware_components/mb_2023_0_X.py
index 3fdf4a2e5354b9172d2108271aa161c6aed681e9..4788f54fac8dc290509afd2e26da7fdde86668bd 100644
--- a/ohmpi/hardware_components/mb_2023_0_X.py
+++ b/ohmpi/hardware_components/mb_2023_0_X.py
@@ -14,7 +14,7 @@ from ohmpi.utils import enforce_specs
 # hardware characteristics and limitations
 # voltages are given in mV, currents in mA, sampling rates in Hz and data_rate in S/s
 SPECS = {'rx': {'model': {'default': os.path.basename(__file__).rstrip('.py')},
-                'sampling_rate': {'min': 2., 'default': 10., 'max': 100.},
+                'sampling_rate': {'min': 0., 'default': 100., 'max': 500.},
                 'data_rate': {'default': 860.},
                 'bias':  {'min': -5000., 'default': 0., 'max': 5000.},
                 'coef_p2': {'default': 2.50},
diff --git a/ohmpi/hardware_components/mb_2024_0_2.py b/ohmpi/hardware_components/mb_2024_0_2.py
index 05883eb8b850982f6d84d7a4e232fc7861ae5275..5b9f4509ae6d88bce9a711c9def337c06629792c 100644
--- a/ohmpi/hardware_components/mb_2024_0_2.py
+++ b/ohmpi/hardware_components/mb_2024_0_2.py
@@ -14,7 +14,7 @@ from ohmpi.hardware_components.mb_2023_0_X import Rx as Rx_mb_2023
 # hardware characteristics and limitations
 # voltages are given in mV, currents in mA, sampling rates in Hz and data_rate in S/s
 SPECS = {'rx': {'model': {'default': os.path.basename(__file__).rstrip('.py')},
-                'sampling_rate': {'min': 2., 'default': 10., 'max': 100.},
+                'sampling_rate': {'min': 0., 'default': 100., 'max': 500.},
                 'data_rate': {'default': 860.},
                 'bias':  {'min': -5000., 'default': 0., 'max': 5000.},
                 'coef_p2': {'default': 1.00},