Measuring range:
HLN4: 0-4m (in liquids); blacking distance: 20cm
HLN6: 0-6m (in liquids), 0-2m (in solids); blacking distance: 25cm
HLN8: 0-8m (in liquids), 0-4m (in solids ); blacking distance: 30cm
HLN10: 0-10m (in liquids), 0-6m (in solids); blacking distance: 35cm
HLN15: 0-15m (in liquids), 0-8m (in solids); blacking distance: 60cm
HLN20: 0-20m (in liquids), 0-10m (in solids); blacking distance: 80cm
HLN30: 0-30m (in liquids), 0-15m (in solids); blacking distance: 120cm
Accuracy     0.2% of full span (in air)
Output current     4-20mA
Power supply     DC24V(± 20%) ≥ 30mA
Output load     0-500 Ω
Output resolution ratio     0.03% of full span
Parameter set up     3 induction buttons
Temperature range     -40c ~80c
Temperature compensation     Automatic in the whole range
Pressure range     ± 0.1MP (press definitely)
Beam angle     8 ° (3db)
Display     4 digit LCD (the height is 15mm)
Protect grade     IP67
Materials     The host: ABS\metal
The probe: PVC\PTFE