Bio-Rad Model 680 Microplate Reader Accessories - Manual (Page 49)

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Section 7. Specifications
7.1 Instrument Specifications
Operating panel Membrane pad with 4 arrow keys, 7 function keys and 11 numeral keys
Display 4 lines x 20 alphabet characters LCD
Computer interface Bi-directional RS232C serial communication port, 9 pin D-sub plug
External printer port
(Only when the internal
printer option is not
installed ) Centronics interface with ASCII character code
25 pin D-sub receptacle
80 characters output per line
Report types Raw, Absorbance, Matrix, Limit, Cutoff, Concentration, curve fit, difference,
Kinetic Report
Applicable plates 96 well microtiter plate of Polystyrene “flat”, ”U”, ”V” bottom rigid type
(Plate Footprint: 127 x 85mm(standard size))
8 and 12 well strip plate
Maximum plate height: 16 mm
Mixing 3 speeds( Low, Mid, High) Programmable time period: 0 - 999 seconds
Data storage Latest 10 data plates for end-point, latest 2 data plates of 30 readings for
kinetic readings, protocol data and calendar/clock function shall be kept in
memory by a lithium battery even when the power is off.
Average lifetime of the battery shall be 5 years.
Warm-up time 3 minutes
Photometric
Methods Single and dual wavelength
Photo detectors 8 silicon photodiodes for measurement and 1 silicon photodiode for reference
Light source Tungsten halogen lamp 20W with 3000 hours average lifetime
Spectral range 400nm to 750nm
Interference filters Wavelength tolerance: ±3.0nm, Band width: 10nm typically
Filter capacity 8 filters
Standard filters 450, 415, 490, 655nm
Optional filters 405, 540, 550, 570, 595, 630, 750nm
Reading speed Fast Reading 6 second with single wavelength reading
10 second with dual wavelength reading
Standard Reading 15 second with single wavelength reading
30 second with dual wavelength reading
Indication range 0.000 to 3.5 OD
Resolution 0.001 OD