产品介绍：

MARTINI仪器电极支架

SF6 5750A 气体定性检漏仪

功能和特点：
＊ 采用先进而独特的SCAN工作原理，大大提高检漏的灵敏度，可检测出极快通过探头的极微量的泄漏气体。
＊ 柔性不锈钢探头可以满足难以到达的地方。
＊ 无需标定 
＊ 坚固的运输箱
＊ 即使在污秽严重的大气环境中仍能发现泄漏
＊ 采用发光二极管泄漏强度显示，可表示相对的泄漏量大小
＊ 大量的制冷剂也不会”毒死”探头
＊ 恒定电压显示 
＊ 不会产生危险和有毒气
＊ 探头手柄上有蓝色复位钮
＊ 美国制造

Product Category Description:

• Ideal for CO2 Incubators

The SG-900 system is designed to prevent the depletion of gas during testing and to eliminate the downtime required to change empty cylinders. The manifold will automatically switch gas supply from the primary cylinder to a reserve cylinder when the primary supply is depleted. This occurs when the pressure on the primary gauge drops to approximately 160psi. The switch is completed by turning a lever to designate the reserve cylinder as the now operational primary cylinder. The process may be repeated as often as necessary to maintain smooth and uninterupted testing procedures, and cylinder refills can be accomplished without work stoppage.

The manifold is available in chrome plated brass, or stainless steel for corrosive gas applications. All pigtails have a reverse flow check valve to prevent back flow of gas while changing cylinders. The outlet fitting on the delivery regulator is 0.64cm (1/4″) NPT female pipe.

Ordering Information: Manifolds include a delivery pressure regulator, wall bracket, and two 61cm (24″) pigtails with reverse flow check valves (fasteners not included).

Specifications for VWR SG-900 Semiautomatic Switchover Manifolds for Noncorrosive and Corrosive Gases 4702669 Chrome-Plated Brass Manifolds :

(Please note that the description and stock photo may not correspond to the specific model listed above)

We offer only genuine VWR products, authorized for sale in the U.S. and other markets, so you can be sure that you are buying authentic Labware & Accessories with a full manufacturer’s warranty in addition to our own 100% Satisfaction Guarantee. We are your premier online distributor for VWR Labware & Accessories. We are an authorized supplier to all federal and state government agencies, as well as to research and educational institutions, and can facilitate volume orders on many types of laboratory equipment, lab consumables, and other products to help fulfill your specific needs. We offer Free Shipping and FREE USPS shipping to APO and FPO addresses on all orders in our store over $29.95. Please refer to our APO/FPO Shipping and Export Restrictions for more information on export to APO/FPO addresses.

In addition to the VWR SG-900 Semiautomatic Switchover Manifolds for Noncorrosive and Corrosive Gases Chrome-Plated Brass Manifolds 4702669/ 82023-738, we carry a full complement of Labware & Accessories as well as other product offerings from VWR. We also carry a full line of VWR accessories to help meet your laboratory and scientific needs.

For a complete selection of VWR Labware & Accessories, please visit our VWR page. For more brand name Labware & Accessories please visit our Labware & Accessories store section. To see our complete line of lab, medical, industrial, and scientific products, please see our science and lab equipment online catalog.

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配件

美国BMI SEMS2100扫描电迁移率粒径谱仪 配件价格：￥0.00

数量：

配件总价:

TSI  的扫描电迁移率粒径谱仪广泛用于测量空气中的颗粒尺寸分布的标准。这一系统也经常用来使悬浮在液体中的颗粒的颗粒尺寸的测量精度。美国国家标准与技术研究所（  NIST ）使用一个 TSI DMA 尺寸为 60 nm 和 100 nm  的标准尺寸的参考材料。扫描电迁移率粒径谱仪是一个精确地粒径检测技术，没有假设颗粒的形状粒度分布而直接测量数浓度。该方法是独立的颗粒或流体的折射率，并具有高度的绝对尺寸精度和测量重复性。  TSI 模型 3938  是粒径谱仪的第三代；可信的研究人员超过 30 年。 

SMPS 设置和需求

数据平均值 (Scans per Sample) 1 to 999, user-selectable

气溶胶流速 0.2 to 5 L/min, user-adjustable

鞘气流速   2 to 30 L/min, user-adjustable

工作液体   n-butyl alcohol (butanol)or distilled water (depends on cpc)

操作温度   10 to 40°C

储存温度   -10 to 55°C

采样气体温度 10 to 40°C

湿度       0 to 90%, noncondensing

压力       70 to 125 kPa

数据储存:  内部储存可连续两周时间,外部可以接电脑储存

File Size per Sample

Varies by sample time 5.7 kilobyte (120 sec upscan, 15 sec downscan time)

DMA Voltage – Negative Standard

3082HVPOS                                 2nd (positive) voltage

显示器:640×480 pixel 彩色触摸屏为静电分级器

通讯:

RS-232 and USB for data; RS-232, USB, and Ethernet for status

Inlets

Three single-stage, inertial impactors (each with a different cut size)

电源要求

3772 cpc    210 W

3775/6 cpc  335 W

3787/8 wcpc 200 W

3082        200 W

尺寸(HWD/Weight)

3081A  61 × 8 × 8 cm / 5.4 kg

3085A  21 × 8 × 8 cm / 2.2 kg

3082   40 × 28 × 40 cm / 14.2 kg

3772   26 × 18 × 25 cm / 5.5 kg

3775/6 25 × 32 × 37 cm / 9.9 kg

3787/8 31 × 16 × 28 cm /5.5 kg

静电中和器选项 – 单独订购

3077  74 MBq (2 mCi), Kr 1/2 life 10.8-year

3077A 370 MBq (10 mCi), Kr 1/2 life 10.8-year

3088  Soft X-ray <9.5 keV ~8,760 operating hours

6005931 Lead shieldin column for 3077/3077A

美国API-465M 臭氧检测仪

API-465M是一个基于微处理器的中程臭氧监测器，测量臭氧在水处理，食品加工和研究中的应用。它已被设计，得到准确的和稳定的读数，很少或根本没有维护在一个较长的时间跨度。

产品规格

范围：0.0 – 5％（重量）

精度：+ / – 1％满量程

分辨率：0.001（重量百分比）的百分比

显示单位：ppm，g/Nm3，％（重量）

响应时间：45秒

零漂移

检测方法：紫外吸收光谱

流量：0.8 LPM

显示：数字

内部数据记录：没有

模拟输出：0-5 V，4-20 mA的

数字输出：RS-232

温度范围：41到113°F（5到45°C）

电动：100 – 240 VAC，50/60赫兹

尺寸：19*15.3 x 5.2英寸（48.3×38.8×13.3厘米）（尺寸为NEMA配置会有所不同）

重量

13.6磅（6.17公斤）

赛多利斯-CPA223S（精密天平）