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儀器簡介：

精密雙注射泵Pump 33一個包裝中裝有兩個獨立精密注射泵

每個精密注射泵能夠以其自己的流速獨立工作，可以注射或回吸

針對所有類型的互換程序和相同劑量的稀釋操作，均可以對兩個注射泵進行同步

連續輸注或抽吸，可全天24小時工作

精密雙注射泵Pump 33技術參數：

技術參數

類型 帶微處理器的雙驅動單注射器注射/抽吸型

穩定精度 ± 0.35%

復現精度 ± 0.1%

注射器尺寸：

*小 0.5 μl

** 140 ml

流速：

*小 0.0004μl / hr

** 106.6 ml / min

非易失性存儲器 存儲所有設置

RS – 232 RJ11 - 4插頭

TTL 9 - 針插頭

平均直線推力 57 lbs

驅動電機 兩個電機，每個為0.9 ˚ 步角步進電機

電機驅動控制 從1/2到1/4 微步步進可以進行微處理器控制

導向螺桿每轉一圈電機前機步數 在1/2 步進時1600或者在1/4 步進時3200

步速：

*小 27.3秒/步

** 416.7微秒/步

推進器移動速度：

*小 0.726699 μm / min

** 95.25 mm / min

功率 45 W， 1.0A保險絲

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 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：

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.