HV-5/10/30/50维氏硬度计
型号:: HV-5/10/30/5
价格:请致电:010-57128832,18610462672
品牌: 北京    产品商标: 沃威

1.维氏系列硬度计是光、机、电一体化的高新技术产品,它造型新颖、美观,具有良好的直观性、可操作性和可靠性,是测试维氏硬度的理想产品。2.仪器采用闭环式加载控制系统,使试验力精度提高,示值的重复性及稳定性佳。3.操作面板的按键输入: 任意选择试验力; 预置试验力保持时间; 调节测量光源的强弱; 读取压痕对角线的长度、按键输入后,屏幕上显示硬度值(HV),并提示硬度的测试次数等。4.本硬度计适用于测量微小、薄型试件,表面渗、镀处理后的零件。还可对玛瑙、玻璃等脆性材料的维氏硬度测定,是科研单位、大专院校、生产企业和检测机构进行研究和测试的理想硬度测试仪器。5.硬度计还可根据用户特殊需求配置CCD装置。

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名称:EVOM2 Epithelial Voltohmmeter

型号:EVOM2

生产商:WPIU.S.A.

EVOM2膜电位仪是美国WPI公司继EVOM型膜电位仪之后推出的第二代产品,用于生物组织培养研究中跨膜上皮细胞电阻抗测量(Trans EpithelialElectrical ResistanceTEER),是该项目的常规检测设备。众所周知,TEER方法是目前已知的最方便、非破坏性、结果稳定可靠的跨膜上皮细胞监测方法,EVOM2可有效进行TEER的测量,判断单层上皮细胞的生长健康状况及长生速度,并可实现单位电阻抗(unit area resistance的精密测量。EVOM2有一个极易阅读的超大显示屏以及BNC标准(模拟信号)的记录信号输出,可实现检测数据的实时记录。

EVOM2膜电位仪采用EVOM单值电流探头和的STX2电极(标配),形成一个独特的电流环路,监测和记录TEER数值的升高,以此来判断培养皿中单层生长的贴壁组织细胞的生长富集情况。检测24孔或96孔标准培养板仅需几分钟。 EVOM2膜电位仪和配套的STX2电极一般用于定性检测细胞单层的生长健康状况和细胞生长富集数量的量化检测,如EVOM2配合WPI提供的Endohm chamber检测配件,可进一步用于精确的跨膜内皮细胞电阻抗测量。

  
1manual TEER measurement of epithellal cells in 24- and 96-well plates;
2
Battery powered electrically isolated meter;
3
AC current avoids adverse effects on tissiue;
4
compatible with endohm chambers;
5
STX2 manual electrode enclosed with meter;
6
The STX2 electrodes are non-sterile as supplied. They may be sterilized using alcohol,         ethylene oxide, UV or a bactericide like Cidex Plus (WPI #7364) or Sporicidin.

SPECIFICATIONS

Membrane Voltage Range

±999.0 mV

Voltage Measurement

0.1mV

Resistance Range

0 to 9999Ώ

Resistance Resolution

1 Ώ

AC Square Wave Current

±10μA nominal at 12.5Hz

Power

Internal rechargeable 6V NiMH 2200mAH battery with external 12VDC supply for recharging

Nominal Battery Run Time

10 hours

Analog Output

1-10V (1mV/ohm)

Dimensions

7.25”W x 4.25”H x 2.30”D (19cm x11cm x 6cm)

Weight

3 lb (1.4 kg)

Electrode Connection

RJ-11connector (telephone style)

Test Resistor

External

Environmental Range

50-100°F (10-38°C)

0-90 non-condensing relative humidity

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