Features: 1. The multiple beam RD measurement technology, compensate for the ambient light, sticky dirty, components of the impact of aging. 2. Two calibration, ensure the accuracy of wide measurement range. 3. Current, relay all sorts of variables such as output, intelligent control system. 4. Immersion, pipes, plug-in installed a variety of ways. 5. A large screen dot matrix LCD and Chinese menu operation. 6. Communication function (optional) : with RS - 485 communication interface (MODBUS protocol compatible), 4 ~ 20 mA current output corresponding to the sludge density can be set freely. 7. The watchdog function: make sure the instrument does not crash. 8. To restore the factory Settings. Power-fail protection > 10 years. Technical parameters: Measuring range: activated sludge, 0 ~ 30 g/L Silica, 0 ~ 30 g/L Resolution: 0.01% Accuracy: + / - 1.0% FS Repeatability: plus or minus 1.0% Control interface: two groups of ON/OFF relay contacts, photoelectric isolation is divided into high and low alarm signal output. Output signal isolation: photoelectric coupler isolation protection 4 ~ 20 ma signal output. Following the electric apparatus: relay offset set arbitrary, relay load 3 a 220 vac / 24 VDC. Working conditions: temperature of 0 ~ 60 ℃, relative humidity 90% or less The output load, load < 750 Ω (4-20 ma) Working voltage: 220 vac plus or minus 10%, 50/60 hz 'inch: 96 * 96 * 156 mm Hole size: 91 x 91 mm Weight: 0.9 Kg
Features: 1. The multiple beam RD measurement technology, compensate for the ambient light, sticky dirty, components of the impact of aging. 2. Two calibration, ensure the accuracy of wide measurement range. 3. Current, relay all sorts of variables such as output, intelligent control system. 4. Immersion, pipes, plug-in installed a variety of ways. 5. A large screen dot matrix LCD and Chinese menu operation. 6. Communication function (optional) : with RS - 485 communication interface (MODBUS protocol compatible), 4 ~ 20 mA current output corresponding to the sludge density can be set freely. 7. The watchdog function: make sure the instrument does not crash. 8. To restore the factory Settings. Power-fail protection > 10 years.
