Vigezo vya kiufundi:
| Mfano | QLA120 | QLA220 | QLA320 | QLA410 | QLA500 | QLA600 | QLA800 | QLA1000 |
| Masafa (g) | 120 | 220 | 320 | 410 | 500 | 600 | 800 | 1000 |
| Uwezo wa kusomeka(g) | 0.001 | |||||||
| Kuweza kurudiwa(g) | ±0.001 | |||||||
| Hitilafu ya mstari(g) | ±0.002 | |||||||
| Kiwango cha joto cha uendeshaji(℃) | 13-25 | |||||||
| Kiwango cha unyevu wa uendeshaji (RH) | 10%~70% | |||||||
| Muda wa kujibu (wastani) (sekunde) | 2.5 | |||||||
| Ukubwa wa Kipande (mm) | Φ115 | |||||||
| Vipimo vya jumla (L * W * H)(mm) | 230*310*330mm | |||||||
| Kupasha joto (dakika) | 20-30 | |||||||
| Adapta ya DC | Ingizo:220V AC/50HZ;Pato:7.5V DC/600mA | |||||||
| Kiwango cha Baud | 300,600,1200,2400,4800,9600 | |||||||