Warning: mysql_query() [function.mysql-query]: Unable to save result set in D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php on line 67
Database error: Invalid SQL: select count(id) from pwn_comment where catid='11' and rid='534'
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select count(id) from pwn_comment where catid='11' and rid='534') called at [D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php:73] #1 dbbase_sql->query(select count(id) from {P}_comment where catid='11' and rid='534') called at [D:\wwwroot\bn51cn_2043\wwwroot\shop\module\ShopContent.php:129] #2 ShopContent() called at [D:\wwwroot\bn51cn_2043\wwwroot\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\bn51cn_2043\wwwroot\shop\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php on line 80

Warning: mysql_query() [function.mysql-query]: Unable to save result set in D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php on line 67
Database error: Invalid SQL: select sum(pj1) from pwn_comment where catid='11' and rid='534'
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select sum(pj1) from pwn_comment where catid='11' and rid='534') called at [D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php:73] #1 dbbase_sql->query(select sum(pj1) from {P}_comment where catid='11' and rid='534') called at [D:\wwwroot\bn51cn_2043\wwwroot\shop\module\ShopContent.php:135] #2 ShopContent() called at [D:\wwwroot\bn51cn_2043\wwwroot\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\bn51cn_2043\wwwroot\shop\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php on line 80
Database error: Invalid SQL: select * from pwn_comment where iffb='1' and catid='11' and pid='0' and rid='534' order by dtime desc limit 0,5
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where iffb='1' and catid='11' and pid='0' and rid='534' order by dtime desc limit 0,5) called at [D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where iffb='1' and catid='11' and pid='0' and rid='534' order by dtime desc limit 0,5) called at [D:\wwwroot\bn51cn_2043\wwwroot\shop\module\ShopComment.php:46] #2 ShopComment() called at [D:\wwwroot\bn51cn_2043\wwwroot\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\bn51cn_2043\wwwroot\shop\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php on line 80
Database error: Invalid SQL: select * from pwn_comment where iffb='1' and catid='11' and pid='0' and rid='534' order by dtime desc limit 0,5
MySQL Error: 1194 (Table 'pwn_comment' is marked as crashed and should be repaired)
#0 dbbase_sql->halt(Invalid SQL: select * from pwn_comment where iffb='1' and catid='11' and pid='0' and rid='534' order by dtime desc limit 0,5) called at [D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php:73] #1 dbbase_sql->query(select * from {P}_comment where iffb='1' and catid='11' and pid='0' and rid='534' order by dtime desc limit 0,5) called at [D:\wwwroot\bn51cn_2043\wwwroot\shop\module\ShopComment.php:46] #2 ShopComment() called at [D:\wwwroot\bn51cn_2043\wwwroot\includes\common.inc.php:518] #3 printpage() called at [D:\wwwroot\bn51cn_2043\wwwroot\shop\html\index.php:13]
Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in D:\wwwroot\bn51cn_2043\wwwroot\includes\db.inc.php on line 80
DY4300 数字式接地电阻测试仪 接地电阻仪 多一正品-希玛无损测试仪,测振仪,测厚仪-上海交通大学科技园上海舒佳电气有限公司
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DY4300 数字式接地电阻测试仪 接地电阻仪 多一正品
编号:0004001006
品牌:普莱瑞思   [查询该品牌全部商品]
单位:个
重量:900 克
商品售价:¥1,080.00
订购数量:
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商品介绍
详细参数

■ 四极法直接测量土壤接地率

■ 2/3/4线测量
 ■ 0.001Ω-200KΩ范围内6个量程的接地电阻测试
 ■ 设置辅助接地棒的间距后,自动计算接地电阻测试的结果
 ■ 可手动或自动选择4段测试电流频率:94/105/111/128Hz
 ■ 超强干扰或高辅助接地电阻时的警告功能
 ■ 自动量程\LCD带背光

功能及技术指标

 

功能

量程

准确度

分辨力

接地电阻(自动量程)

0.05~2.099Ω

±(3%rdg±5dgt)

0.01Ω

0.05~20.99Ω

±(3%rdg±5dgt)

0.1Ω

0.3~209.9Ω

±(3%rdg±5dgt)

3~2009.9Ω

±(3%rdg±5dgt)

10Ω

0.03k~20.99Ω

±(3%rdg±5dgt)

100Ω

辅助桩接触电阻测试Rh、Rs

8%的Re+Rh+Rs

接地电阻率ρ

0.2~395.6Ωm

0.1Ωm~1Ωm ρ=2xttxaxRg±2 自动量程

0.2~3956Ωm

20~39.56kΩm

0.2K~395.6KΩm

土壤电阻值测试

自动量程

背光显示

数据保持

电源

AA 1.5V×4(UM3)

标准包装尺寸

190×155×75mm

产品重量

约900克


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