| Model |
LTS-AAS3624 |
LTS-AAS3628 |
| Optics System |
Type |
Single Beam |
| Monochromator |
Anaberration C-T type, focal length 350mm |
| Dispersing element |
optical grating 1800 bars /mm, flicker wavelength 250nm |
| Spectral bandwidth (nm) |
0.1、0.2、0.4、0.7、1.4、2nm six grades automatic switchover |
| Wavelength range (nm) |
185-900nm |
| Wavelength indication error |
±0.3 nm |
±0.2 nm |
| Wavelength repeatability (nm) |
≤0.1nm |
| Spectral bandwidth deviation |
±0.02 nm |
| Light point |
4 |
8 |
| Element lamp type |
Ordinary element lamp |
| Photometric Property |
Reading mode |
Transmittance, absorbance, concentration |
| Photometric Range |
0-125%，-0.1-3.00A |
| Cu static baseline drift |
±0.004A/30min |
±0.003A/30min |
| Cu dynamic baseline shift |
±0.006A/15min |
±0.005A/15min |
| Background correction |
Deuterium lamp background correction capability >= 30x (1Abs) |
Deuterium lamp >= 40x (1Abs) |
| Graphite Furnace Analysis |
Characteristic concentration |
Cd ≤0.9pg
Cu≤20pg |
Cd≤0.6pg
Cu≤20pg |
| Detection Limit |
Cd≤1.5pg
Cu ≤25pg |
Cd≤1.0pg
Cu≤25pg |
| Repeatability（Cd） |
RSD≤4% |
RSD≤3% |
| Graphite furnace temperature range |
Room temperature ~ 3000℃ |
| Large power temperature rise range |
1500℃～3000℃ |
| Slope and hold time |
1s～255s |
1s～255s |
| Heating rate |
Maximum heating rate 2000℃/ s |
| Atomization heating method |
Light-controlled heating, time-controlled heating, general heating |
| Outside protective gas flow |
1 L/min |
| Tube protection gas flow |
4 adjustable levels (0, 50, 200, 250ml/min flow) |
| safety precautions |
Cooling water flow, protective gas pressure, furnace body temperature, power supply temperature, graphite tube installation alarm |
| Data processing |
Measurement mode |
Graphite furnace process |
| Concentration calculation method |
Standard curve method (6 linear and nonlinear fitting methods), standard addition method, interpolation method |
| Number of repeated measurements |
1-30 times, calculate and give the mean, standard deviation and relative standard deviation of absorbance and concentration |
| Report printing |
Parameter printing, data result printing |
| Others |
Computer |
circumscribed |
| Overall dimensions |
830*650*560 |
| Weight |
110Kg |
| Power |
Voltage 220V±22V, frequency 50Hz ±1Hz |
| Operating temperature |
10℃~30℃ |
| Operating Humidity |
40%~85% |
