1. Instrument size (W * H * D) : 72mm * 191mm * 32mm

2. Instrument weight (including battery) : about 269g

3, operating temperature range: 5 ℃ to 40 ℃

4. Relative humidity range: 20-85%, not concentrated

, storage temperature range: 5-10 ℃ to 40 ℃

6. Relative humidity range: 20-95%, not concentrated

7. Detection range: 0 ~ 9999 RLUs

8. The detection is accurate to: 1 RLU

9. Detection time: 15 seconds

10. Detection interference: plus or minus 5% or plus or minus 5 RLUs

11. Settable result limits: 251

12. Storage size: 2000 test results

13. Serial interface: EIA-232 compatibility

14. Battery size (2 sections) : AA, LR6 or E91

15. Non-rechargeable battery: nom. 1.5v alkaline

16. Rechargeable battery: nom.1.2V NiMH or NiCD

17. Battery capacity: 2600mAh alkaline

18, the standby state (20 ℃) : at least 6 months

19. Continuous reading: at least 2000 test results

Outside product size: 220*106*50mm

Outer packing size: 473*198*383mm

Service life: 10 years or more of normal use