| 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 |