P4000 Pump Specifications:

• Pump Design: Dual in-line piston, pulseless design. Micro-stepped motor control. Floating piston bayonet-mounted heads. Patented ceramic check valves.
• Flow accuracy: ±0.5% at 1 ml/min with water, after liquid end calibration.
• Flow precision: <0.2% RSD
• Flow Range: 0.01 to 10 ml/min standard. Settable in 0.01 ml/min increments.
• Composition Repeatability: 0.2% RSD
• Gradient Linearity: ±0.5% from 10-90% composition
• Maximum Pressure: 6000 psi, 420 bar, 42MPa with standard heads
• Wetted Surfaces: Stainless steel or PEEK, titanium, ceramic, sapphire, Teflon, Tefzel, and polyethylene
• Pressure Pulsation: <2% amplitude; <1% typical at 1ml/min water or methanol at >500 psi
• Delay Volume: <0.6ml
• Compressibility Compensation: Automatic
• Shutdown File: Protected in non-volatile memory
• Flow Stability Test: Pump flow diagnostic to verify proper pump performance
• Diagnostics: Diagnostic tests to verify proper electrical and mechanical operation
• Communications: Hardwire external events connector. Run and Stop remote inputs; Ready, Run, Timed Event and Analog Pressure outputs. SCM400 degas communication port.
• Ambient Environment: 10-40°C, 5-95% relative humidity, noncondensing.

This refurbished TSP P4000 Pump is really in a great shape and tested at SpectraLab Scientific. 90 days warranty included.

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