Measurement method |
Photon counting |
|
Excitation light source |
50 W quartz halogen lamp |
|
Detector |
Side-on type PMT
|
|
Detector wavelength range |
185–830 nm |
|
Light guide |
Quartz fiber (1.4 mm) & condenser lens |
|
Optics |
Top-to-top
|
Light axis for measurement |
Z-axis |
|
| Optics adjustment |
Optional Z-axis adjustment |
|
Excitation wavelength range |
320–830 nm |
Excitation/emission wavelength |
Interference filter
|
|
Excitation/emission filter ports |
4 each for ex/em
|
Excitation/emission switching |
Automatic (software controlled) |
|
Stage |
Auto X - Y stage with automatic sensing of the well-center |
Linearity |
Correlation coefficiency ≥ 0.995 |
|
Sensitivity |
2.4 fmol/well fluorescein; 4-MUF:
0.1 pmol/well |
|
Reproducibility |
CV £ 1.5% |
|
Dark level |
≤ 3 x 10-4%
full scale |
|
Stability |
≤ 3 x 10-4% full scale/8 hours |
|
Dynamic range |
0 –16,777,215 counts |
|
Gating time |
10 msec–10 sec (can be setup for every 10 msec) |
|
Measurement time
|
Approx. 51 sec/96 wells (if measured per well)
|
|
Dual wavelength |
Approx. 67 sec/96 wells (if measured per plate) |
|
Single wavelength |
Approx. 40 sec/96 wells ,
Approx. 110 sec/384 wells |
|
Number of averages |
1–100 times/well |
|
Fluorescence intensity calibration |
Automatic calibration using the exclusive calibration plate |
|
Sample mixing |
Linear and butterfly mixing.
Time and velocity software controlled. |
|
Temperature control |
|
Range |
Room temperature +5°C–75°C |
|
Heating stage |
Flat
heater plate, 96-well or 384-well heater plate, dual P.I.D. control. |
|
Thermal fuse |
Built-in (123°C) |
|
Incubation method |
Temperature stepping, simple incubation or incubation
|
|
Accuracy |
± 0.3°C
|
|
Homogeneity |
± 0.3°C
|
|
Rise time |
≤ 6 min. (up to 75°C from R.T.) |
|
Temperature rise time of sample |
(rise
time from 20°C to 68°C)
≤ 5 min. without pre-heating
≤ 3 min. if pre-heated at 45°C
≥ 1 min. if pre-heated at 68°C |
|
Plate formats |
6-384 well plates, strip tubes, 1536 well plates (optional)
|
|
Plate Dimensions |
|
Width |
86.0 ± 0.8 mm
|
|
Length |
128.0 ± 0.8 mm
|
|
| Height |
25 mm (without use of heater plate) Approximately 20 mm with heater plate |