data:1在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: TCP Provider, error: 0 - 等待的操作过时。)   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   在 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.Open()
   在 B2b.DBUtility.SqlHelper.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, String cmdText, SqlParameter[] cmdParms) 位置 f:\mywork\b2b168\b2bweb\B2bBase\SQLHelper.cs:行号 195
   在 B2b.DBUtility.SqlHelper.ExecuteReader(String connectionString, CommandType cmdType, String cmdText, SqlParameter[] commandParameters) 位置 f:\mywork\b2b168\b2bweb\B2bBase\SQLHelper.cs:行号 127
   在 B2b.Shop.ShopBase.GetDataRec(Int32 iValue, Boolean bRenew) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4651data:12在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: TCP Provider, error: 0 - 等待的操作过时。)   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   在 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.Open()
   在 B2b.DBUtility.SqlHelper.PrepareCommand(SqlCommand cmd, SqlConnection conn, SqlTransaction trans, CommandType cmdType, String cmdText, SqlParameter[] cmdParms) 位置 f:\mywork\b2b168\b2bweb\B2bBase\SQLHelper.cs:行号 195
   在 B2b.DBUtility.SqlHelper.ExecuteReader(String connectionString, CommandType cmdType, String cmdText, SqlParameter[] commandParameters) 位置 f:\mywork\b2b168\b2bweb\B2bBase\SQLHelper.cs:行号 127
   在 B2b.Shop.ShopBase.GetDataRec(Int32 iValue, Boolean bRenew) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4651datalist:12在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: TCP Provider, error: 0 - 等待的操作过时。)   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   在 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.Open()
   在 B2b.DBUtility.SqlHelper.GetCommand(String sCn, String cmdText, CommandType eType, SqlParameter[] aoPrameters) 位置 f:\mywork\b2b168\b2bweb\B2bBase\SQLHelper.cs:行号 339
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4560datalist:14在与 SQL Server 建立连接时出现与网络相关的或特定于实例的错误。未找到或无法访问服务器。请验证实例名称是否正确并且 SQL Server 已配置为允许远程连接。 (provider: TCP Provider, error: 0 - 等待的操作过时。)   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, UInt32 waitForMultipleObjectsTimeout, Boolean allowCreate, Boolean onlyOneCheckConnection, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionPool.TryGetConnection(DbConnection owningObject, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionFactory.TryGetConnection(DbConnection owningConnection, TaskCompletionSource`1 retry, DbConnectionOptions userOptions, DbConnectionInternal oldConnection, DbConnectionInternal& connection)
   在 System.Data.ProviderBase.DbConnectionInternal.TryOpenConnectionInternal(DbConnection outerConnection, DbConnectionFactory connectionFactory, TaskCompletionSource`1 retry, DbConnectionOptions userOptions)
   在 System.Data.SqlClient.SqlConnection.TryOpenInner(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.TryOpen(TaskCompletionSource`1 retry)
   在 System.Data.SqlClient.SqlConnection.Open()
   在 B2b.DBUtility.SqlHelper.GetCommand(String sCn, String cmdText, CommandType eType, SqlParameter[] aoPrameters) 位置 f:\mywork\b2b168\b2bweb\B2bBase\SQLHelper.cs:行号 339
   在 B2b.Shop.ShopBase.GetDataList(Int32 iValue, Int32 iSize, List`1& loValues) 位置 f:\mywork\b2b168\b2bweb\B2bBase\ShopBase.cs:行号 4560<!doctype html>
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							<span class="jg fl">&yen;价格面议</span>
						<span class="fr" style="margin-left: 20px;"> 浏览次数：<span id="lblhtc">301</span>次</span>
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<span class="ssx01">类型</span><span class="ssx02">直流高压发生器</span>
<span class="ssx01">是否进口</span><span class="ssx02">否</span>
<span class="ssx01">加工定制</span><span class="ssx02">是</span>
<span class="ssx01">波纹系数</span><span class="ssx02">≤0.5％</span>
<span class="ssx01">电压稳定度</span><span class="ssx02">电源电压变化±10％时≤1％</span>
<span class="ssx01">执行标准</span><span class="ssx02">GB11032 - 89</span>
<span class="ssx01">规格</span><span class="ssx02">60/260/3 60/5 120/2 120/3 120/5</span>
<span class="ssx01">额定电压(kV)</span><span class="ssx02">60/120</span>
<span class="ssx01">额定电流(mA)</span><span class="ssx02">2/3/5</span>
<span class="ssx01">额定功率(W)</span><span class="ssx02">120 180 300 240 360 600</span>
<span class="ssx01">机箱重量(kg)</span><span class="ssx02">3.5/4.0/4.5</span>
<span class="ssx01">倍压重量(kg)</span><span class="ssx02">6/7</span>
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ZGF-Q-B智能型直流高压发生器能在试验中设置定时声音报警，整个测试仪便于携带，操作方便，安全可靠，特别适用于电力检修部门，发电厂以及电力检修单位现场试验。<br/>总的来说，直流高压发生器是一种能够产生高电压直流电源的设备，具有高电压输出、稳定性、可调性和安全性等特点。它在科研实验、工业生产、设备等领域有广泛应用。在选购直流高压发生器时，需要考虑输出电压范围、稳定性、安全性和等因素，以满足实际需求并确保产品质量和售后服务。<br/><img style="margin: auto;clear: both;display: block" src="http://l.b2b168.com/2023/08/31/09/202308310955071268554.jpg" alt="六安直高发"/><br/>我们本着诚信为本的原则，以质量求生存，以信誉得发展的企业经营理念，不断开拓进取。在激烈的市场竞争中，凭借良好的合作关系公司茁壮发展，在持续改进、追求不断进取、满足的信念，企业在不断创新中求发展，个人靠创新精神求进步，日积月累，量变到质变，每天的一小步，就是企业将来的进步。<br/><img style="margin: auto;clear: both;display: block" src="http://l.b2b168.com/2023/08/31/09/202308310955068188264.jpg" alt="六安直高发"/><br/>直流高压发生器是一种电子设备，用于产生高电压直流电源。它通常由直流电源、变压器、整流器和滤波器等组成，能够将低电压直流电源转换为高电压直流电源。直流高压发生器广泛应用于科研实验、工业生产、设备等领域。以下是对直流高压发生器的产品介绍。<br/><img style="margin: auto;clear: both;display: block" src="http://l.b2b168.com/2023/08/31/09/202308310955067319314.jpg" alt="六安直高发"/><br/>产品特点：<br/>高电压输出：直流高压发生器能够提供较高的输出电压，通常在几千伏至数十千伏之间，满足不同领域的需求。<br/>稳定性：直流高压发生器具有良好的电压稳定性，能够在负载变化和环境变化的情况下保持输出电压的稳定性。<br/>可调性：一些直流高压发生器具有可调节输出电压的功能，用户可以根据需要进行调节。<br/>安全性：直流高压发生器通常具有过载保护、短路保护等安全功能，确保设备和用户的安全。<br/>小型化设计：现代直流高压发生器通常采用小型化设计，体积小、重量轻，便于携带和安装。<br /><a href="//m..b2b168.com/">m..b2b168.com</a>
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