TSP P4000 Quaternary Gradient Pump, Thermo Fisher Scientific (CAT#: STEM-CPO-0603-ZJF)

The manufacturer of the TSP P4000 Quaternary Gradient Pump, Thermo Fisher Scientific is Thermo Fisher Scientific.
Refurbished Thermo TSP P4000 Quaternary Gradient Pump. P4000 Inert option available (10ml).

Condition: Refurbished, Certified Pre-owned
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
Wetted Surfaces: Stainless steel or PEEK, titanium, ceramic, sapphire, Teflon, Tefzel, and polyethylene
Maximum Pressure: 6000 psi, 420 bar, 42MPa with standard heads
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

Refurbished to meet manufacturer's specification
In excellent condition
Thoroughly cleaned
Money back guarantee
Certified with warranty

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