diff --git a/hardware_components/ohmpi_card_3_15.py b/hardware_components/ohmpi_card_3_15.py
index c1720063c66cc1452a632047cdbe843cd8ccf6fc..faf702f79958cf886b1cce466d8f4fce7a707c82 100644
--- a/hardware_components/ohmpi_card_3_15.py
+++ b/hardware_components/ohmpi_card_3_15.py
@@ -88,7 +88,7 @@ class Tx(TxAbstract):
         self._ads_current_address = 0x48
         self._ads_current = ads.ADS1115(self.ctl.bus, gain=self.adc_gain, data_rate=860,
                                         address=self._ads_current_address)
-        self._ads_current.mode = Mode.CONTINUOUS
+        self._ads_current.mode = Mode.SINGLE
 
         # Relays for pulse polarity
         self.pin0 = self.mcp_board.get_pin(0)
@@ -200,7 +200,7 @@ class Rx(RxAbstract):
         self._ads_voltage_address = 0x49
         self._adc_gain = 2/3
         self._ads_voltage = ads.ADS1115(self.ctl.bus, gain=self._adc_gain, data_rate=860, address=self._ads_voltage_address)
-        self._ads_voltage.mode = Mode.CONTINUOUS
+        self._ads_voltage.mode = Mode.SINGLE
         self._sampling_rate = kwargs.pop('sampling_rate', sampling_rate)
 
     @property