Manufacturer      Schärfe

Model:                Casy model TT

System data:

O         High-resolution size distribution - 400 size channels displayed,

O         Exact and fast determination of the concentration and volume of cells and particles.

O         Simultaneous analysis of all size classes in the measuring range of the measuring capillary with maximum dynamic of the measurement> 1: 70,000 in volume.

O         Differentiation of vital cells, dead cells, cell debris and cell aggregates. - Statistical certainty of results through cumulative multiple measurements.

O         Reliable measurement of the smallest cell numbers - less than 100.

O         Electronic monitoring of the measurable.

O         Opto-electronically controlled volume measuring section - maintenance-free.

O         Quick sample change through open, large sample space.

O         Quick change of the measuring capillary - approx. 30 sec.

Technical data CASY model TT

Function:                              Electronic cell counter + analyzer system for determination

                                            of cell number and cell size distribution, aggregation and vitality.

Dimensions:                        Height:      39 cm

                                            Width:     31 cm

                                            Depth:       39 cm

Weight:                               14.5 kg (including control element)

Environmental conditions:    maximum operating temperature:             10 ° C to 40 ° C

                                            recommended operating temperature:          15 ° C to 32 ° C

Power supply:                      230 V- / 50 Hz

                                            115V- / 60 Hz

Power consumption:            Max. 112 VA

Fuses (primary):                  230V: 2 x 800 mAT

                                            115V: 2 x 1.6 AT

Fuses (secondary):              SI1: T 160mA

                                            SI2: T 1.6A

                                            SI3: T 400mA

                                            SI4: T 2.5 A

                                            SI5: T 400mA

Volume measuring section           Calibrated , opto-electronically controlled volume measuring section

and printing system:                     with maintenance-free, sensor-controlled. Printing system. Mercury free.

Measuring principle:                     Electrical resistance measurement in clocked with 1 MHz

          Low-voltage field with pulse area analysis by Sharpness System. Differentiable size channels:> 512,000.

Volume resolution:                       1 in 512,000

Displayed size channels:             400

Measuring range:                         0.7 µm to 120 µm

Measurement dynamics:             Ratio of the smallest to the largest particle that can be analyzed simultaneously:> 1: 70,000 in volume,

                                                    > 1:40 in diameter

Typical analysis time:                 10 sec

Sample volume:                          200 µl - 4 ml

Analytics / Results:              Analysis of the size distribution over two tent-specific adjustable cursor pairs:

                                            Cell count:                absolute, relative -% -,

                                            Cell vitality:            absolute, relative -% -,

                                            Cell aggregates:      Aggregation factor, aggregation correction,

                                            Cell volume:        Volume, mean volume, total volume (biomass)

Interfaces:                          Serial, RS232 (DB9)

                                            Parallel (DB25)

Only IEC or UL tested devices may be connected to the RS232 and printer interfaces.

Printer output:                     PCL (Hewlett-Packard compatible printer)

                                            Expression of:     Size distribution

                                                                       Numerical results

                                                                       Setups

                                                                       Error messages

Data export:                        ASCII, fully automatic transfer to MS-Excel "" with CASY excell.

Technology features:           

Non-changeable, long-term stable calibration for biological media - certified by Sharp System, identical for all CAS1r devices, documentation of the measurement results with date, time, setup name, device serial number and all device settings.

System self-test with checking of all measurement-relevant parameters before and during each measurement.

                                            Electronic monitoring of the measuring pore.

                                            Automatic backwashing of the measuring pore.

Automatic detection and display of operating and system errors. Integrated service functions for quick fault diagnosis.

                                            Fan-free system suitable for clean rooms.

Service:                              Menu-guided operation and control of all functions via a freely positionable control element with membrane keyboard and graphic display. All tent-specific device settings can be saved as a setup.

                                            20 setups per measuring capillary - individually nameable.

Output of the results and the size distribution on the display and printer. Export function for computers via the serial interface.

Maintenance:                     CASY ° is largely maintenance-free with regular maintenance. If maintenance is necessary or requested by the user, contact Scharme System or the dealer responsible for you. Maintenance measures may only be carried out by specialists who have been trained and authorized by Schleiß System.