diff --git a/custom_components/mega/hub.py b/custom_components/mega/hub.py
index 78efea4..d53ff25 100644
--- a/custom_components/mega/hub.py
+++ b/custom_components/mega/hub.py
@@ -530,10 +530,16 @@ class MegaD:
         :return:
         """
         _params = tuple(params.items())
+        delay = None
+        if 'delay' in params:
+            delay = params.pop('delay')
         ret = {
             _params: await self.request(**params)
         }
         self.lg.debug('i2c response: %s', ret)
+        if delay:
+            self.lg.debug('delay %s', delay)
+            await asyncio.sleep(delay)
         return ret
 
     async def get_config(self, nports=37):
diff --git a/custom_components/mega/i2c.py b/custom_components/mega/i2c.py
index b2af431..e066a48 100644
--- a/custom_components/mega/i2c.py
+++ b/custom_components/mega/i2c.py
@@ -1,3 +1,4 @@
+from dataclasses import dataclass, field
 from urllib.parse import parse_qsl, urlparse
 from bs4 import BeautifulSoup
 from homeassistant.const import (
@@ -27,6 +28,12 @@ def parse_scan_page(page: str):
             elif c is Request:
                 req.append(params)
                 continue
+            elif isinstance(c, Request):
+                if c.delay:
+                    params = params.copy()
+                    params['delay'] = c.delay
+                req.append(params)
+                continue
             elif isinstance(c, tuple):
                 suffix, c = c
             elif isinstance(c, str):
@@ -55,8 +62,9 @@ class Skip:
     pass
 
 
+@dataclass
 class Request:
-    pass
+    delay: float = None
 
 
 i2c_classes = {
@@ -92,7 +100,7 @@ i2c_classes = {
         ('object', DEVICE_CLASS_TEMPERATURE),
     ],
     'ptsensor': [
-        Request,  # запрос на измерение
+        Request(delay=1),  # запрос на измерение
         DEVICE_CLASS_PRESSURE,
         DEVICE_CLASS_TEMPERATURE,
     ],