Beckman Coulter - Z1™ Series
Manufactured by Beckman Coulter

Beckman Coulter - Z1™ Series
Z series Coulter Counter® - State of the Art Instrumentation

Cell Counting and Sizing    Both Z1 Single and Dual Threshold Models use the Coulter Principle (Electrical Sensing Zone Method) for counting cells or particles in the 1-120 micron size range. This technique provides accuracy, speed, versatility, and excellent precision; it is the accepted reference method for cell counting. Standard apertures are available in five sizes. In addition, for vey small sample volumes, ampoule insertable apertures may be used.        The Z1 Single Threshold Model    The Z1 Single Threshold instrument allows the operator to set one size threshold. Cells equal to or larger than this setting will be counted. Ideal as a fully automated instrument for the rapid enumeration of both tissue culture and blood cells from most any species. Excellent for rapid total cell count on cell lines containing cells of relatively uniform size.        The Z1 Dual Threshold Model    The Z1 Dual Threshold Model counts cells or particles in three regions, equal to or above the operator selected lower size, above the upper size setting and between the two sizes. Excellent when cell numbers between a selected size range are required. Instrument of choice when working with numerous cell types, containing variable cell sizes, or platelets.        The Superiority of The Z1 Instruments: More Than Simple To Use, It's Almost Impossible To Misuse        Z1 instruments incorporate a unique, new oil displacement pump which delivers a high degree of accuracy and precision, and eliminates the need for mercury utilized in the traditional mercury manometers. The Z1 was specifically designed for simple operation. Enter the cell size (diameter or volume) and press START. The count is completed in seconds. Clear messages on the LCD display lead you through all set-up and analyses functions. Calibration requires only several keystrokes; optimum instrument settings are automatically computed and set. The constant current feature of the Z1 eliminates calibration drift due to changes in electrolyte conductivity and temperature, a very common problem with other instruments.


    • Mercury Free    • Absolute cell counts or concentration    • One-Button Calibration    • Small Footprint    • Certified to ISO 9001 by NSAI Quality Assurance    • Technology defined by the International Standard (ISO 13319:2000: Determination of particle size distributions -- Electrical sensing zone method)    • Listed by ETL Testing Laboratory    • Store up to 5 analyses settings (Profiles)    • Operator selectable size settings       

InterfaceCentronics parallel, IBM compatible 25-pin connector
Size1 to 120 µm
Depth 36 cm
Height46 cm
Width 27 cm
Power Requirements 100 to 120 VAC or 220-240 VAC ±10%, 50/60 Hz
Peak Power55 W
Weight13.6 kg
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Beckman Coulter - Z1™ Series