Description
Overview
GAOTek sound level meter is fully digital with on-site display and has perfect object level measurement and control, data transmission and human-computer communication functions. They are manufactured with engineering plastic ABS waterproof case and military quality multi-layer PCB board, designed with modular circuit. The main chip adopts dozens of related ASICs with import industrial grade single-chip microcomputer to make them with perfect features of digital temperature compensation and ultra-wide voltage input voltage regulation.
Technical Specifications
| Blind area | 0.25 m to 2 m (according to different range) |
| Beam angle | <12° |
| Accuracy | ±0.25% F.S |
| Output | Analog signal Digital signal Switch signal 4 mA to 20 mA, 0 mA to 20 mA4 mA to 20 mA, Load >300 Ω 0 V to 5 V, 0 V to 10 V RS 485 that support Modbus NPN (with PP pulse output option) Relay (AC 5 A/250 V DC 10 A/24 V) |
| Power supply | DC 12 V to 30 V or AC 220 V |
| Consumption | <1.5 W |
| Display | 4 bits 8 segment LED display (LCD option available) |
| Min. resolution | 1 mm |
| Frequency | 20 KHz to 43.0 KHz |
| Protection class | Default IP 65 (other options customizable) |
| Explosion proof | ExiaII BT4Gb |
| Operation temperature | 14 °F to 140 °F (-10 °C to 60 °C) |
| Housing | ABS/ Nylon |
| Cable | User defined (with connectors) |
| Dimension | 3.62 in x 7.8 in (92 mm x 198 mm) x M 60 16.40 ft to 49.21 ft (5 m to 15 m range) 3.62 in x 10.63 in (92 mm x 270 mm) x DN 80 nonstandard flange 65.61 ft to 98.4 ft (20 m to 30 m range) 3.62 in x 10.63 in (92 mm x 270 mm) x DN 80 nonstandard flange 65.61 ft to 98.4 ft (20 m to 30 m range) |
| Installation | M60 x 0.08 in x 2.4 in (2 mm or 61 mm) hole with gasket 16.40 ft to 49.21 ft (5 m to 15 m range) DN80 nonstandard flange 65.61 ft to 98.4 ft (20 m to 30 m range) |
| Electrical connection | M20 x 1.5 (two units) |