DOG-209 industrial dissolved oxygen meter DOG-209 intelligent online oxygen analyzer is one of my company's line electrochemical analyzer, environmental adaptability, clear display, simple operation and excellent performance makes the test has a high cost-effective, can accurately measure DO and temperature of the solution. It can be widely used in thermal power, chemical fertilizer, metallurgy, environmental protection, pharmaceutical, biochemical, food and running water. Instrument features: Intelligent: DOG-209 intelligent online DO meter high precision AD converter box microcontroller micro-processing technology, to complete the DO, temperature measurement, automatic temperature compensation, self-test meter high degree of protection and other features: waterproof and dustproof design, suitable for outdoor use (protection class: IP65) simultaneous multi-parameter display: Simultaneous display DO, temperature on one screen. High brightness LED display module, the main specifications are shown in red 10x10 display DO value, eye-catching and visual distance communication interface: can be easily linked into the computer and communications technology to monitor indicators: 1, measuring range: 0 ~ 100.0 ug / L; 0 ~ 20.00 mg / L (automatic switching); 0 ~ 60 ℃; resolution of: 0.1 ug / L; 0.01 mg / L; 0.1 ℃; 2, the whole basic error: ug / L: ± 1.0% FS; mg / L: ± 0.5% FS, temperature: ± 0.5 ℃; 3, the whole Repeatability: ± 0.5% FS; 4, the value of the whole show stability: ± 1.0% FS; 5, automatic temperature compensation range: 0 ~ 60 ℃, 25 ℃ as a benchmark; 6, Response time: <60 seconds (98% of the final value, 25 ℃) 37 ℃: 98% final value <20 seconds; 6, the output current error: ≤ ± 1.0% FS ; 7, isolated outputs: 4 ~ 20 mA (load resistance <750Ω); 8, RS485 communication interface (optional); 9 consecutive power-down data retention time: 10 years; 10, the alarm relay: AC220V, 3A; 11, Power: 220V ± 10% 12,146 (length) × 146 (width) × 108 (depth) mm, hole size: 138 × 138 mm; 13, weight: two tables: 1.0Kg; 14, working conditions: Temperature: 0 ~ 60 ℃ Relative humidity: <85%; 15 out of the water connection pipe: a tube or hose, diameter and 8 ,? three sizes 12 10 ,??.