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Gemini_88

Gemini_88
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Gemini_88

Product catalog summary
Warranty & Repair Information
The Gemini 88 Plus Dual Rate Syringe Pump is covered by a two-year warranty from the purchase date. KD Scientific will repair or replace defective units due to workmanship or materials, excluding misuse or normal wear. Contact KD Scientific for repairs within the warranty period.
Safety Information
Ensure proper use by following safety precautions, such as using the approved power supply, grounding the product, and avoiding operation in explosive environments. Do not operate with suspected failures.
Product Overview
The Gemini 88 Plus features two independent pumping channels with a touch screen interface, supporting syringe sizes from 0.5 µl to 60 ml. It offers high accuracy and smooth flow, with a syringe Lookup Table for easy selection and calibration.
Features
The pump operates in three modes: Independent, Reciprocating, and Twin. It supports USB and RS-232 connections for PC communication and RS-485 for pump-to-pump communication. The motor force is adjustable to prevent damage to syringes.
Technical Specifications
Accuracy is ±0.25%, with a reproducibility of ±0.05%. The pump generates up to 70 lbs of linear force and operates with a 7" color touchscreen. It supports various syringe sizes and flow rates, with an operating temperature range of 4°C to 40°C.
Setting Up the Syringe Pump
The pump accommodates syringes from 0.5 µl to 60 ml, including components like syringe clamps and pusher blocks for secure syringe loading. Follow the setup instructions for proper operation.
Power Connections and Pump Startup
Ensure the power switch is off before connecting the power supply. Use the provided AC/DC converter. The touch screen will display startup diagnostics and the last used configuration.
External Connections
The pump includes USB, RS-232, and RS-485 ports for communication, supporting footswitch inputs and digital I/O for each channel.
Maintenance and Troubleshooting
Regular maintenance includes battery replacement and troubleshooting. Refer to the manual for detailed instructions.
Specifications and Components
  • The syringe pump includes components such as the Syringe Holder Block, Pusher Block, High Force and Low Force Syringe Clamps, and Retaining Brackets.
  • Each component has specific functions, such as holding the syringe barrel and plunger securely during operation.
Setup Procedures
  1. Remove and adjust the High Force Syringe Clamp and Retaining Brackets to fit the syringe.
  2. Use the Pusher Block Leadscrew Release Knob for manual adjustments.
  3. Secure the syringe barrel and plunger using the appropriate clamps and thumbscrews.
  4. Clamp collars are used to protect fragile syringes and act as mechanical stops.
Graphical User Interface (GUI)
  • The syringe pump features a 7” LCD Color Touchscreen for easy setup and operation.
  • Users can select operational conditions such as Independent, Reciprocating, and Twin modes.
  • The GUI includes buttons for mode selection, syringe type and size, target volume or time, and flow rate settings.
Independent Condition Setup
  • Allows operation of two separate syringe pumps (P1 & P2) with different settings.
  • Users can select modes such as Infuse Only, Withdraw Only, Infuse/Withdraw, and Withdraw/Infuse.
  • Syringe selection includes manufacturer, type, and size, with custom options available.
  • Flow rate and target volume or time can be set individually for each pump channel.
Key Features
  • Fast Forward and Fast Reverse buttons for quick adjustments.
  • System settings for time/date, backlight, and other configurations.
  • Safety features include force warnings to prevent damage to syringes.
Twin Condition Setup and Operation
The document outlines the setup and operation of a syringe pump in Twin Condition, where both Pump Channel 1 (P1) and Pump Channel 2 (P2) operate at the same rate and volume. Users can select a single target volume or time for both channels, with specific settings for x1 and x2 Gang configurations.
Rate and Target Selection
The Rate Select screen for x2 Gang displays a doubled flow rate range compared to x1 Gang, from 10.21 nl/min to 10.6 ml/min. The Target Select screen allows setting a target flow rate or time for both syringes, with the maximum volume doubling when syringes are ganged.
Run Screen and Controls
The Twin Condition Run screen shows pump status, set flow rate, and target volume. Users must select both P1 and P2 to move pusher blocks simultaneously using Fast Forward and Fast Reverse buttons.
Settings and Maintenance
The Settings menu includes options for screen lock/unlock, calibration, lubrication reminders, and force settings. Calibration is recommended annually, and lubrication every 100 hours.
Force Settings
Force settings can be adjusted based on syringe type and material, with suggested levels provided for common syringes. The application software allows setting a maximum force value to prevent damage to syringes.
Alarms and Notifications
The syringe pump features audible alarms for various conditions, including near end-of-run, power failure, calibration reminders, and maintenance checks. Users can configure these alarms in the Settings section.
External Connections and Software Updates
Instructions for USB driver installation and software updates are provided. The pump software consists of a Boot Loader and main Application, with updates available to enhance functionality.
Software Upgrade Procedure
1. Connect the pump to a PC using a USB cable.
2. On the pump, navigate to Settings and select Upgrade Software.
3. Choose between Update Bootloader or Update Application and confirm.
4. On the PC, use the Firmware Updater Application from the provided CD to connect to the pump.
5. Open the .srec update file from your desktop.
6. Start the update process and reboot the pump once complete.
External Connections
Details on RS-232 and RS-485 pinouts are provided, with a caution against connecting to FireWire ports to avoid damage. Supported baud rates range from 9600 to 115200, with specific word size, parity, and stop bits settings.
Input/Output Connectors
The pump has I/O connectors for two channels, P1 and P2, used differently based on operating conditions. Various inputs and outputs are detailed, including directional control, trigger inputs, and outputs, with specifications for TTL logic levels and voltage requirements.
Pump Chain Commands
Commands allow control of up to 100 pumps via USB or RS-232. Each pump must have a unique address. Commands can be abbreviated, and specific formats are provided for addressing and executing commands. Error messages are detailed for command, argument, and range errors.
System Commands
Commands for setting and querying pump parameters such as address, baud rate, backlight brightness, operating condition, configuration, echo state, force level, footswitch settings, polling mode, and memory saving are detailed. Examples and expected responses are provided for each command.
Valve Commands The valve can be set to auto, where the motor direction determines the valve state: OFF for Infuse and ON for Refill. Command formats vary based on conditions (Independent or Reciprocating/Twin). Query responses indicate the valve state.
Verbose Setting Controls the detail level of error messages. Options include On (full messages), Msg (one-line messages), Off (no messages, only '?'), and None (no messages). Defaults to On after power cycles.
Version Commands 'VER' displays a short version string, while 'VERSION' provides a full version string including boot loader and application versions.
Syringe Commands 'SYR' sets or displays syringe settings. It can show current settings, list manufacturers, or select syringes by index. Manufacturer codes and syringe details are provided.
Gang Command Sets or displays syringe count in Twin Condition, limited to 1 or 2. Exceeding limits results in a range error.
Syringe Volume and Diameter 'SVOLUME' and 'DIAMETER' commands set or display syringe volume and diameter, respectively, with formats varying by condition.
Run Commands 'IRUN', 'RRUN', 'RUN', 'STOP', and 'WRUN' control pump operations in different directions and conditions.
Rate Commands 'CRATE', 'IRATE', 'ITRATE', 'RATE', 'TRATE', 'WRATE', and 'WTRATE' set or display infusion/withdraw rates. Rates can be set to max, min, or within limits, with specific formats for each condition.
Command Specifications
1. Flow Rate Commands The 'wtrate' command is used to set or query the flow rate of the pump. It can specify maximum, minimum, or limited rates in various units (e.g., ml/min). The response format varies depending on whether a limit is set.

2. Volume Commands Commands like 'civolume', 'ctvolume', 'cvolume', and 'cwvolume' are used to clear infused, target, or withdrawn volumes. The 'ivolume' and 'wvolume' commands display infused and withdrawn volumes, respectively.

3. Time Commands Commands such as 'citime', 'cwtime', 'cttime', and 'ctime' clear infused, withdrawn, or target times. 'itime', 'ttime', and 'wtime' display or set these times.

4. Digital I/O Commands 'input' and 'output' commands manage the status of input and output ports, while 'sync' sets the sync port level.

5. Internal Commands The 'status' command provides raw status data for computer control, including motor direction, limit switch status, stall status, and more.
Maintenance and Troubleshooting
1. Maintenance Regular cleaning and lubrication of the pump's guide rods and lead screw are recommended. Use a lint-free cloth and appropriate cleaning solutions.

2. Battery Replacement Instructions for replacing the lithium coin battery (CR1620) are provided, emphasizing correct polarity and battery type.

3. Troubleshooting Tips for ensuring infusion accuracy and resolving RS-232 communication issues are included.
Accessories and Ordering Information
1. Valve Boxes Continuous Flow and Auto-Fill valve boxes are available as accessories.

2. Ordering Information Lists product numbers for the Gemini 88 Plus Dual Rate Syringe Pump and various communication cables and accessories.
Technical Data
1. Syringe Size Reference Tables provide syringe sizes, diameters, and corresponding flow rates.

2. Nominal Flow Rates Details minimum and maximum flow rates for various syringe sizes, highlighting the variability based on manufacturer.
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Catalog excerpts

Gemini_88-1

KDS Gemini 88 Plus Dual Rate Syringe Pump User’s Manual Phone 508.429.6809 · Email [email protected] · Web www.kdscientific.com Publication 5617-014-REV 1.

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Gemini_88-3

Warranty and Repair Information Manual Description Repair Facilities and Parts This manual provides all operational information required to operate the Gemini 88 Plus Dual Rate Syringe Pump. KD Scientific stocks replacement and repair parts. When ordering, please describe parts as completely as possible, preferably using a part number obtained from our Technical Support department. If practical, enclose a sample part or sketch. We offer a complete reconditioning service. Warranty KD Scientific warranties this instrument for a period of two years from date of purchase. At its option, KD Scientific...

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Gemini_88-4

Please read the following safety precautions to ensure proper use of your syringe pump. If the equipment is used in a manner not specified, the protection provided by the equipment may be impaired. To Prevent Hazard or Injury: USE PROPER POWER SUPPLY The pump is supplied with an approved power supply and line cord. To maintain the safety and integrity of the device, use only the following recommended power supplies. USE PROPER LINE CORD Use only the specified line cord and power supply for this product and make sure line cord is certified for country of use. The operating voltage range for the...

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Gemini_88-5

The Gemini 88 Plus Dual Rate Syringe Pump is a leap forward in syringe pump capability. The syringe pump has two independent pumping channels controlled by an intuitive touch screen interface. This multi-purpose syringe pump employs advanced syringe mechanisms that include a tight gripping, extremely secure syringe clamp that accommodates syringe sizes 0.5 |l to 60 ml. The syringe pump offers enhanced flow performance with high accuracy and smooth flow from 1.02 pl/min to 106 ml/min, syringe size dependent. The syringe pump uses a 7" LCD color touchscreen interface and advanced application software...

 Open the catalog to page 5
Gemini_88-6

Product Overview- Theory of Operation Power Connections and Pump Startup The operating voltage for the syringe pump is 100-240 VAC, 50/60 Hz through an AC/DC converter provided with the pump. Please use the provided or recommended power supply. Using an unapproved power supply will void the warranty. Pump Channel 1 & 2 Footswitch Connections (Footswitch sold separately) Pump Channel 1 & 2 DIgital I/O Connections 1. Please ensure that the power switch is in the off position as shown in the syringe pump Rear View Connections graphic. 2. Plug the power cord in to line voltage. The syringe pump has...

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Gemini_88-7

Unit Specification *NOTE: Some larger syringes may be compatible with the syringe pump. Please contact Technical Support for more information.

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Gemini_88-8

Operating Humidity The following is a chart of operating humidity versus temperature for the syringe pump. Please note as operating temperature increases, the maximum allowable operating humidity decreases. Operating Humidity vs. Temperature Chart

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Gemini_88-9

Setting up the Gemini 88 Plus Physical Overview The following diagrams show the important components of the syringe pump. Knob for Pusher Block (P2) Lead Screw Release Pusher Block (P2) Syringe Clamp/Syringe Holder Block (P2) Pump Channel 2 (P2) End Block (P2) Syringe Clamp/Syringe Holder Block (P1) Pump Channel 1 (P1) End Block (P1) Lead Screw (P1) Touch Screen Syringe Loading Knob for Pusher Block (P1) Lead Screw Release The syringe pump mechanisms accommodate syringe sizes 0.5 ul to 60 ml. The pump includes brackets and clamps to hold different sizes and types of syringes for various applications....

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Gemini_88-10

Setting up the Gemini 88 Plus The Syringe Holder Block (5) and Pusher Block (2) are fitted with movable Retaining Brackets (1, 9) which firmly hold the syringe barrel Flange (12) and Syringe Plunger Flange (10) during infuse or withdraw modes. The Syringe Holder Block (5) has two types of syringe clamps used to secure the syringe barrel to the Syringe Holder Block. They are the Low Force Syringe Clamp (8) and High Force Syringe Clamp (6). When loading the syringe into the pump it is necessary to adjust retaining brackets and to select and adjust the proper Syringe Clamp (6, 8) for your application....

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Gemini_88-11

Navigating the Syringe Pump Graphical User Interface The syringe pump employs a button enabled Graphical User interface controlled with a large 7” LCD Color Touchscreen display for quick and easy setup. There is a setup and run screen for all three operation conditions Independent, Reciprocating and Twin. The setup and run screens for all three conditions are similar with common buttons. There are small functional differences for each condition based on the features that condition supports. Then the unit will display the Condition Select Screen. If the Condition Select screen does not appear,...

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Gemini_88-12

The following buttons are part of the syringe pump graphical user interface. Mode Select Withdraw/Infuse Mode Select - Sets Pump Channel Mode Syringe Select - Sets Syringe Type & Size Rate Select Infuse: 50 gl/min Withdraw: 2 ml/min Rate Select - Sets Flow Rate Target Select Continuous Operation Target Select - Sets Target Volume or Time Run/Stop Pump Channel 1 (P1) -Starts / Stops Pump Channel 1 (P1) Only in Independent Condition. Run/Stop Pump Channel 2 (P2) -Starts / Stops Pump Channel 2 (P2) Only in Independent Condition. Run/Stop Pump Channel 1 & 2 (P1 & P2) - Starts / Stops both Pump Channel...

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Gemini_88-13

Graphical User Interface Button Glossary Minimum Value Allowed – Used to select the minimum value allowed for the parameter entry. Maximum Value Allowed – Used to select the maximum value allowed for the parameter entry. Accept – Used to accept the parameters/settings on a screen and advance to the next menu. Cancel – Used to cancel any changes/entries on a screen in the menu. Reset Counters Pump Channel 1 (P1) – Clears the counter/timers for Pump Channel 1 (P1) for Independent Condition Only. Reset Counters Pump Channel 2 (P2) – Clears the counter/timers for Pump Channel 2 (P2) for Independent...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.