Focal Length | 170 mm |
Effective Aperture | Φ 22 mm |
Field of View | 3° 22inch |
Focal Length of Telescope’s Eyepiece | 24.3 mm |
Maximum Length Between Collimator and Telescope | 120 mm |
Slit Width | 0.02 to 2 mm |
Diopter Compensation Range | ≥ ± 5 diopters |
Diameter | Φ178 mm |
Circle Graduation | 0° to 360° |
Division | 0.5° |
Vernier Reading Value | 1inch |
Diameter | Φ70 mm |
Rotating Range | 360° |
Range of Vertical Adjustment | 20 mm |
Prism Angle | 60° ± 5inch |
Transformer | 6.3 Ⅴ/220 Ⅴ (3 ⅤA) |
Planar Holographic Grating | 300/ mm |
As, Se, Pb, Bi, Sb, Te, Sn | < 0.01 µg/L |
Hg, Cd | < 0.001 µg/L |
Zn | < 1.0 µg/L |
Ge | < 0.1 µg/L |
Optical type | Czerny turner |
Resolution | ≤ 0.015nm (3600 line grating) ≤ 0.030nm (2400 line grating) |
Focal length | 1000 mm |
Grating specifications | huge holographic grating with 3600 L/mil or 2400 L/mil and 80 mm × 100 mm of ruling area |
Wavelength range | 195 to 500 nm for 3600 line grating 195 to 800 nm for 2400 line grating |
Frequency | 27.12 MHz Frequency stability: < 0.05% |
Spray chamber | Scott double pass spray chamber |
Output power | 800 W to 1600 W, adjustable with power efficiency more than 65% |
Output power stability | ≤ 0.05% |
Induction coil | 25 mm × 3 ID (ID-internal diameter), equipped with three concentric quartz torch tubes 35 mm ED (ED-external diameter) |
Suitable sample content range | Liquid sample: 0.01 ppm to several thousand ppm Solid or power sample: 0.001% to 70% |
Repeatability | short-term stability- RSD ≤ 1.5% Long-term stability: RSD ≤ 2% |
Test speed | 5 to 8 elements / min |
Limits of detection (LOD, µg/L) for most elements | 1ppb to 10ppb |
Photomultiplier tube specification | R212 / R928 |
Negative high voltage | -50 to -1000 V |
Circuit measuring range | (10-12 to 10 -4) A |
Signal acquisition | VF conversion |
Temperature for storage and transportation | 15°C to 25°C |
Humidity for storage and transportation | ≤ 70% |
Power Stability | 220 ± 10V; 50 to 60 V |
Humidity | ≤ 70% |
Temperature | 15°C to 30°C |