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: 10-40°C, 5-95% relative humidity, noncondensing.