Refurbished Thermo TSP P4000 Quaternary Gradient Pump. P4000 Inert option available (10ml). Please contact us with complete Thermo P4000 details.
P4000 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: 10-40C, 5-95% relative humidity, noncondensing.
