Compact Structure Model 680 Microplate Reader

Model 680 Microplate Reader:
General Operation:



Operating panel

Membrane keypad with 4 arrow, 7 function and 11 number keys



Display

4 lines by 20 character LCD


Self-diagnosis

Checks filter, plate transport, electronics, main PC board, battery, memory and the optional internal printer (when available)



Warm-up time

3 min



Reading  speed
    Fast read mode
    Step read mode

6 sec single wavelength, 10 sec dual wavelength,
15 sec single wavelength, 30 sec dual wavelength



Mixing capability

3-speed setting, programmable time 0 - 999 sec



Compatible plates

Polystyrene flat -U and V- bottom plates
8- and 12- well strip plates



Assay blanks

User-defined or stored assay template



Data Storage buffer

Last 10 plate data for endpoint or last 30 plate data for kinetic reads



Report types

Raw, absorbance, matrix, limit, cutoff, concentration, curve fit, difference and kinetic



Internal printer
(optional)

Thermal printer with 112 mm paper width, 40 column
9 x 8/7 (graphic/text mode) dot matrix



Computer interface

Bidirectional RS-232 C serial communication port
(9-pin D-sub plug)



Memory backup

5-year lithium battery





Optional:




Photometric methods

Single and dual wavelength



Photodetectors

8 Silicon photodiode detection for measurement.
1 for reference



Light source

Tungsten-halogen 20 W, 3000 hr life



Special range

400-750 nm



Filter capacity

8 interference filters



Bandwith

10 nm



Standard filters

415, 450, 490 and 655 nm



Optional filters

405, 540, 550, 570, 595, 630 and 750 nm;
For additional filters, please inquire





Technical:




Indication range

0.000 - 3500 OD



Resolution

0.001 OD



Accuracy

1.0% or 0.010 from 0.000 to 3000 OD at 490 nm



Linearity

1.0% from 0.000 to 2000 OD.

2.0% from 2000 to 3000 OD.


Reproducibility

1.0% or 0.005 OD from 0.000 to 2.000 OD
1.5% from 2.000 to 3.000 OD



Channel to channel error

1.5% or 0.005 OD from 0.000 to 3.000 OD



Stability and drift

0.010 OD at OD = 1 with single wavelength reading




Physical:Optional Incubator:






Temperature control

25oC or ambient + 5oC upto 45oC



Incubator set point

25-45oC, 0.1oC step



Accuracy

0.5oC when set point = 37oC at ambient temperature of  25oC



Well-to-well uniformity

0.7oC when set point = 37oC at ambient temperature of  25oC


Warn-up time

<5 min when set point = 37oC at ambient temperature of  25oC



Others:





Electrical

100-240 VAC, 50/60 Hz



Power consumption

100 VA maximum



Dimensions

34 x 33 x 15 cm (W x D x H)



Weight

5 Kg (basic reader): 5.5 kg (fully loaded reader)



Operating temperature

5 - 35oC


Storage temperature

- 20 to 50oC



Operating and storage humidity

0-95 % relative humidity without condensation