D-Series Syringe Pumps - Isco

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D Series Syringe Pumps Section 9 Modifier Addition Figure 9-2 Two pump modifier system Note Make sure you purchase a “dip-tube” CO 2 tank. To fill pump A with supercritical fluid (helium head-space tank) 1. Place the pumps in independent control - constant pressure mode, as detailed above. 2. Be sure the pumps are stopped. 3. Close the pump A outlet valve before opening the tank supply valve and pump A inlet valve. 4. Press the REFILL key on the front panel keypad. Press softkey A to designate that pump A is the active pump (the pump being refilled). Pump A will fill with pressurized fluid. 9-6
D Series Syringe Pumps Section 9 Modifier Addition 5. After pump A has refilled, wait 15 seconds before closing the tank supply valve and pump A inlet valve. 9.4 Modifier Addition Once the pressure has been zeroed and both pumps are filled, you are ready to set up your modifier addition parameters. You will need to place the pumps in modifier mode, set the pressure limits (under the limits option on the main menu) and designate the percent of modifier (found under % pump on the run screen) to be added. If your modifier boils at 3.5 bar at room temperature, you may want to increase the minimum pressure for pump B to prevent vapor (the default minimum pressure is 3.5 bar). To select modifier mode To change the minimum modifier pressure To select the limits 1. Press the orange MENU key and press softkey A - MORE. 2. Select 4, MULTI-PUMP, to access the multi-pump menu. 3. Then select MODIFIER by pressing the 3 on the numeric keypad. The 3 will begin to blink, indicating that modifier mode has been selected. 4. Press softkey D, PREVIOUS, three times to return to the main menu. 1. Press the orange MENU key and press softkey A - MORE. 2. Select 4, MULTI-PUMP, to access the multi-pump menu. 3. Then select MIN MOD PRESS by pressing the softkey B. 4. To change the minimum modifier pressure, press the softkey B and enter the desired minimum pressure using the numeric keypad and press the ENTER key to store the value. 5. Then press softkey D, again, to return to the multi-pump menu. 1. Once modifier mode has been selected, the desired pressure limits must be set. Select number 2, LIMITS, from the main menu. 2. The pump for which the limits are being set will be shown on the top left of the display, LIMITS: PUMP A. If it is any pump other than pump A, press softkey A. LIMITS: PUMP A will then be displayed. 3. Press number 1 to select limits and then 1 again to set the MAX pressure limits. Enter the desired maximum pressure using the numeric keypad and press the ENTER key to store the value. Then press softkey D, PREVIOUS, to return to the limits menu. 4. If you need to change the minimum pressure limit, press 2 - MIN. Enter the desired minimum pressure using the numeric keypad and press the ENTER key to store the value. 5. Press softkey D, PREVIOUS, to return to the limits menu. 6. Then press softkey D, again, to return to the main menu, and D, again, to return to the run screen. 9-7
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D-Series Pumps Installation and Ope
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D Series Syringe Pumps Warnings, Ca
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D Series Syringe Pumps Table of Con
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D Series Syringe Pumps Section 1 In
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D Series Syringe Pumps: Models 65DM
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D Series Syringe Pumps: Model 500D
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D Series Syringe Pumps: Model 65D S
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D Series Syringe Pumps Index A Acc
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D Series Syringe Pumps Index comman
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Compliance Statements NOTICE Disreg
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DECLARATION OF CONFORMITY Applicati
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Warranty
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D-Series Syringe Pumps - Isco

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