minor change

SDS_status_main.php

@@ -610,7 +610,7 @@ if (($MSmode == 5) or ($MSmode == 4))
 	// voltage monitoring readout K35
 	$color = "#000000";
 	$factor_m = 1818.108;
-	$factor_m_rel_error = 1.0e-6;
+	$factor_m_rel_error = 3.0e-6;
 	$offset = 3.67e-6;
 	$offset_error = 1.6e-7;
 	$gain = 0.99999956;