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儀器簡(jiǎn)介：
精密雙注射泵Pump 33一個(gè)包裝中裝有兩個(gè)獨(dú)立精密注射泵
每個(gè)精密注射泵能夠以其自己的流速獨(dú)立工作，可以注射或回吸
針對(duì)所有類型的互換程序和相同劑量的稀釋操作，均可以對(duì)兩個(gè)注射泵進(jìn)行同步
連續(xù)輸注或抽吸，可全天24小時(shí)工作
精密雙注射泵Pump 33技術(shù)參數(shù)：
技術(shù)參數(shù)
類型 帶微處理器的雙驅(qū)動(dòng)單注射器注射/抽吸型
穩(wěn)定精度 ± 0.35%
復(fù)現(xiàn)精度 ± 0.1%
注射器尺寸：
*小 0.5 μl
** 140 ml
流速：
*小 0.0004μl / hr
** 106.6 ml / min
非易失性存儲(chǔ)器 存儲(chǔ)所有設(shè)置
RS – 232 RJ11 - 4插頭
TTL 9 - 針插頭
平均直線推力 57 lbs
驅(qū)動(dòng)電機(jī) 兩個(gè)電機(jī)，每個(gè)為0.9 ˚ 步角步進(jìn)電機(jī)
電機(jī)驅(qū)動(dòng)控制 從1/2到1/4 微步步進(jìn)可以進(jìn)行微處理器控制
導(dǎo)向螺桿每轉(zhuǎn)一圈電機(jī)前機(jī)步數(shù) 在1/2 步進(jìn)時(shí)1600或者在1/4 步進(jìn)時(shí)3200
步速：
*小 27.3秒/步
** 416.7微秒/步
推進(jìn)器移動(dòng)速度：
*小 0.726699 μm / min
** 95.25 mm / min
功率 45 W， 1.0A保險(xiǎn)絲
電壓范圍 95到130V交流， 60Hz， 220到260V交流， 50Hz， 可選
尺寸， 高 x 寬 x 長(zhǎng) 15.2 x 31.1 x 28.6 cm (6 x 12.5 x 11.25 in)
重量 6.8kg (15 lb)
精密雙注射泵Pump 33主要特點(diǎn)：
The Harvard 33 Dual Syringe Pump offerscontinuous infusion or withdrawal， 24 hours a day， 365 days a yearwith the accuracy and low flow of a Harvard syringe pump.
The Harvard 33 Dual Syringe Pump is a breakthrough in pumpingtechnology. The 33 has two independent pumping channels linkedthrough hardware and software. When combined with a valve box， itprovides the continuous delivery of a peristaltic or piston pumpwith the accuracy， absence of pulsation and low flow rates of asyringe pump.
The Harvard 33 Dual Syringe Pump opens up whole new pumpingpossibilities. These are some of the applications of this pump:
• The injection of dyes， perfumes and flavoring in industrialapplications
• Applications with liquids or viscous materials inmicromanufacturing
• Continuous injections of reactants into reactor vessels
• Simultaneous samplings from two sites
• Continuous injection for long term toxicology testing
Several modes of operation are available to accommodate a range ofsetups and experimental protocols. A unique movable limit switchmechanism is used to change direction or stop operation of the pumpdepending on the mode of operation.
Reciprocal/Parallel Mode - Syringe mechanisms can run in the sameor opposite directions (i.e. both infusing/withdrawing at the sametime or one infusing and the other withdrawing)
Proportional Mode - Different flow rates and syringe diameters canbe set for each syringe mechanism
AutoStop Mode - Pump stops operation when a limit switch isactivated.
Continuous Run Mode - When a limit switch is activated each syringemechanism reverses direction.
The pump has high pressure capability and TTL and RS-232 interfacefor data acquisition and control.
The communication ports enable daisy-chaining of up to 100pumps.
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