上(shang)海(hai)嘉鵬(peng)科技有(you)限(xian)公司綜合內外秀生化(hua)實驗設備制造經驗獨生產的HL-2B數顯恒(heng)流泵 ，進行(xing)(xing)系統詳(xiang)解，可快速查詢產品的(de)新報價(jia)、圖片(pian)、技術參數，或者進行(xing)(xing)產品性能比較(jiao)，使用非常(chang)方便。

． HL-2B數顯恒流泵概述：
HL-2B數顯恒流泵是在HL系列恒流泵的基礎上，增加了顯示恒流泵轉速的功能。其點在于能直觀地觀察恒流泵的轉速，通過換算和預測，能計算出恒流泵的實際流量，使恒流泵的控制方便、直觀，調速更，是您生產和實驗中加樣（液）和抽樣（液）的理想儀器。 
HL-2B數顯恒流泵是種可定量加液或抽液的儀器設備，它具有輸送流量穩定，連續可調，輸送物質不與外界接觸，可防止污染及體積小、重量輕、性能可靠等點。因此，它廣泛應用于廠礦企業，大專院校，醫院及科研單位，并將成為生產和科研活動中必不可少的儀器設備之，凡是需要微量，定量輸液或抽液的場合均可使用。
．HL-2B數顯恒流泵主要技術指標：
1. 流 量： （單通道）HL-1B； 1-600ml/h
2. 轉 速：0-60轉/分左右
（雙通道）HL-2B； 2×（1-600）ml/h （數顯）
3. 電源電壓： AC220V±10% 50HZ 10W
4. 壓 力：≥3kg
5. 使用環境： 溫度0-40℃ 濕度：＜85%
6. 連續工作時間：≥200h
7. 外形尺寸： 120×120×180㎜
8. 重 量：3kg
三. HL-2B數顯恒流泵使用方法：
1. 初次使用時，先把“調速”旋鈕調到中速位置，然后接通電源，此時指示燈亮，
滾子開始運轉，調節“調速”旋鈕，觀察儀器運轉是否正常，正常后即可使用。
2. 安裝硅膠管，根據流量需要選用合適內徑的硅膠管，（細管裝在泵頭的細槽內，
粗管裝在泵頭的粗槽內）。
3. 預測流量，選擇好合適內徑的硅膠管，調整泵頭后面的調壓螺絲，同時按“排
氣” 旋鈕，使硅膠管內的空氣排出，然后用量杯可預測需要的流量，此時只需調節
“調速”旋鈕可改變流量，流量確定后請把“調速”旋鈕上的“鎖緊開關”往下鎖緊，并記錄對應的轉速。
4. 使用 “順逆”開關，可以改變輸液方向，使加液改變為抽液，加壓改變為抽壓。
5. 調節板兩側的調節螺絲是用于調節液體壓力的，般只要擰到有液體流動即可，調節時須注意不要擰的太緊，否則滾子會擱死。
6. “排氣”按鈕的作用是在慢速時不改變原來設定流量的情況下快速排除管內空氣或清洗管道。
7. HL-2B數顯恒流泵與BS系列收集器連用時，將四芯插頭插入收集器后面板的“恒流泵”插座中，其電源受收集器控制。此機單獨使用時，將四芯插頭改為芯電源插頭即可，本機附有備件。

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1. HL-2B digital constant-current pump Overview:
HL-2B digital constant-current pump is in the HL series of constant-current pump, based on the increase shows that the function of constant-current pump speed. Advantage of being able to directly observe the constant speed pump, through the conversion and projections to calculate the actual current flow pump to facilitate the constant-current pump control, intuitive, more accurate speed control, you increase production and experiment sample (liquid) and the sample (liquid) is the ideal instrument.
HL-2B digital constant-current pump is a liquid extract of the quantitative increase in equipment, it has a transmission flow stable, continuously adjustable, non-delivery of material contact with the outside world to prevent pollution and small size, light weight, performance reliable and so on. Therefore, it is widely used in factories and mines, universities, hospitals and research institutes, and will become a production and research equipment essential one, all the needs of micro, quantitative fluid infusion or extraction can be used for occasions.
. HL-2B digital constant-current pump main technical indicators:
1. Flow: (single) HL-1B; 1-600ml / h 2. Speed :0-50 r / min around
(Dual channel) HL-2B; 2 × (1-600) ml / h (digital display)
3. Supply voltage: AC220V ± 10% 50HZ 10W 4. Pressure: ≥ 3kg
5. The use of environment: temperature 0-40 ℃ Humidity: <85% 6. Continuous working time: ≥ 200h
7. Overall dimension: 120 × 120 × 180 mm 8. Weight: 2kg
III. HL-2B digital constant-current pump to use:
1. The initial use, the first "Speed" knob to the medium-speed position, and then connect the power, when the indicator light,
Roller started to regulate the "Speed" knob, observation equipment is functioning properly, you can use normal.
2. The installation of silica gel tube, according to the need to use the appropriate flow of the silicone tube diameter, (thin tube installed in the pump head of the small bed,
Rough pipe installed in the pump head of the rough bed).
3. Forecast traffic, the choice of a good fit of the silicone tube diameter, the pressure regulator adjustment screw behind the pump head and at the same time press the "row
Gas "knob, so that the silicone tube from the air, and then the amount of glass needed predictable flow, only regulate at this time
"Speed" knob can change the flow of traffic after determining the "speed" knob on the "lock switch" lock down, and record the corresponding speed.
4. The use of "good or bad times" switch, you can change the direction of fluid, so that the rate of change for pumping liquid fluid, pressure to change the pump pressure.
5. Adjustment plate on both sides of the adjustment screw for regulating the liquid pressure is generally as long as the twist of the liquid can flow, be careful not to adjust the screw too tight, or else will be tied up roller.
6. "Exhaust" the role of the button when in slow traffic does not change the original settings quickly ruled out the air tube or pipe cleaning.
7. HL-2B constant-current pump with a few notable BS once a series of traps, it will be four core plug collector panel after the "current pump" in the socket, the power control by the collector. This machine used alone, it will be replaced by two four-core plug to plug, the machine with spare parts.