This unit was pulled from a working environment. The condition is very good - very clean and well maintained. Specifications Dimensions (w x d x h in cm) 99 x 73 x 117 Mass filter Quadrupole; binary gold metallized ceramic, producing hyperbolic field Detector dual stage discrete dynode electron multiplier (off-axis) Dynamic range (orders of magnitude) 8 in a single continuous scan; simultaneous analog and pulse counting Abundance sensitivity 107 at 1 amu higher mass side; 106 at 1 amu lower mass side Background level < 10 cps Scanning rate 2400 amu/s Vacuum system 3 stages: 1 rotary pump, 2 turbomolecular pumps backed by 1 rotary pump ICP generator free-running Frequency (MHz) 40.68 Power (Watt) 700-1800 Load coil Ar-cooled PlasmaLok coil Torch injector demountable (available in various materials and inner diameter) Argon flow (L/min) Sample introduction 2-channel peristaltic pump; Ryton Scott-type spraychamber; Gem-tip cross-flow nebulizer Operating system and Windows NT software Short term precision (RSD for 10 replicates) < 3% Long term precision (RSD for 4 hours) < 4% Sensitivity (Mcps/ppm) > 30 In, > 25 U, >4 Mg Detection limits (3s, ng/L) < 0.5 U and In, < 2 Co, < 15 Be Isotope ratio precision (RSD for Ag-107/Ag-109) < 0.2% Doubly charged Ba ions < 0.03 Ce Oxide ions < 0.03 Accessories/Options USN, FI, laser ablation, ETV, hydride generator MAK110