Description
Overview
GAOTek digital turbidity water analyzer adopts the 90° near-infrared light scattering principle and conforms to the ISO7027, standard to measure the turbidity of water samples.
Features
- Compatible with all DRFN digital infrared turbidity sensors
- queried by the turbidity controller including reading the serial number
- Support a variety of installation methods
- Time and historical data recording function
- 2 in (8.1 cm) large LCD screen, easy operation
- User-friendly English language interface
- Password can be set to prevent disoperation
- 2 SPST multi-function and settable relays to realize dosing control
- Two 0 or 4 mA to 20 mA active current loop outputs
- RS485 interface, Modbus RTU communication protocol
- IP66 waterproof level
- sealed enclosure can isolate pollution and corrosive gas
- Separately have a list of controller and sensor settings for quick
- detailed parameter setting
Technical Specification
| Display Rang | 0.001 NTU to 40000 NTU |
| Resolution | 0.001 NTU |
| Relay Control | 2 settable SPST relays with a maximum load of 3 A or 250 VAC |
| Analog Current Output | 2 settable 0 or 4 mA to 20 mA active current loop outputs, max load 1000 Ω |
| Communication Method | RS485 interface; MODBUS RTU; support JSON text data format |
| Display Screen | 128 x 64 LCD, adjustable backlight mode, adjustable display rate |
| Configuration Information | Power off protection, parameters are retained indefinitely |
| Time or Data Record | Record 10000 historical data |
| Maintenance Records | Last 30 |
| Operating Temperature | 32 ℉ to 140 ℉ (0 ℃ to 60 ℃), RH 95 % (no condensation) |
| Storage Temperature | -4 ℉ to 158 ℉ (-20 ℃ to 70 ℃), RH 55 % (no condensation, precision instruments) |
| Shell Material | Enhanced ABS |
| Protection Grade | IP66 |
| Mounting Method | Wall mounting, pipe clamping, panel hole size 5.4 in x 5.4 in (138 mm x 138 mm) |
| Electrical Interface | The back end reserved 3 M12 x 1.5 Gram head, line diameter 0.1 in x 0.2 in (3 mm to 6.5 mm) |
| Power Supply | 100 V to 240 V AC or 18 V to 36 V DC |
| Power Consumption | 7 W |
| Dimension | 5.6 in x 5.6 in x 4.7 in (144 mm x 144 mm x 120 mm) |
| Weight | 1.7 lb (800 g) |