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您的位置:首页 >生命科学实验仪器 >系统配套整合>MPPI-2 高精度自动辅助加药控制系统

 
  MPPI-2 高精度自动辅助加药控制系统  
  Front Panel Push Button Switch
External TTL Input Signal
Optional Footswitch

 

Linear adjustment of both pulse width and pressure gives precise control to meet all of your pressure injection needs.

The MPPI-2 utilizes an external filter for reliability and ease of maintenance. The input pressure can be up to 100psi. The output pressure is adjustable from 0 up to 100psi.

The MPPI-2 has an input for an optional Back Pressure Unit. This option precisely regulates leakage from the injection pipette. The BPU provides a convenient means of providing an adjustable (0-to-15 psi) back pressure to

 

the MPPI-2. The back pressure is applied to the injection pipette between injections to prevent back filling. Without the BPU, the pipette is at atmospheric pressure between injections.

The Milli-Pulse Pressure Injector is a self-contained device for producing gas pressure pulses to an injection pipette. The unit offers linear control of both pressure and pulse duration. The unit provides three convenient means of initiating the pressure pulse:

 

 

MPPI-2 Specifications

Input Pressure Range 0 to 100 p.s.i.
Output Pressure Range Regulated 0 to 100 p.s.i. (Maximum output is dependent upon input pressure)
Output Pulse Range Three factory-set ranges: (please specify when ordering)
  • 1 to 100 milliseconds
  • 0 to 1 second
  • 0 to 10 seconds
Minimum duration is limited by the pneumatic solenoid valve to approximately 5ms
Output Pulse Accuracy 0.4% of full scale (crystal controlled)
Output Pulse Repeatability 0.4% of full scale (1% over the life of the valve)
Valve Life Expectancy 100 million cycles
Output Pulse Setting Via a front panel 10-turn calibrated dial
Modes of Operation
  • Pulsed pressure via pushbutton, external TTL pulse or optional footswitch
  • Continuous pressure
  • Gated pressure via external TTL level input
Pulsed Pressure Modes
  • Front panel pushbutton switch
  • External TTL input signal
  • Optional footswitch
Output Pressure Gauge Front panel analog gauge 0 to 100 psi
Power Requirements 120v AC, 60 Hz, 30 watt or 220v, 60 Hz
Please specify when ordering
Gas Input & Back Pressure Fitting 1/8" barbed hose fittings
Gas Output Fitting 1/16" barbed hose fitting
Recommended Gas Nitrogen or clean dry compressed air; an externally-mounted input gas filter is provided
Size Compact bench top unit measuring
4.8"H x 5"W x 6"D

 

Accessories For the MPPI-2 Pressure Injector
Back Pressure Unit Micropipette Holder Kit Foot Switch
0-15 p.s.i. regulator and gauge for regulated back pressure input. The BPU can installed under the MPPI-2 unit. 165 mm long, 2 mm diameter metal tube with a 1/16" tube mounts directly to it. The unit has a plastic piece that holds up to 2mm diameter pipettes. Comes with 10' of 1/16" tubing. Useful to activate the injector while your hands are controlling a manipulator

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