Product Overview
The online pH analyzer's measurement system mainly comprises a controller and a PH sensor. The controller is equipped with an LCD screen and can automatically identify measured parameters. The pH sensor uses a composite electrode to measure water quality's pH value. The potential of the internal reference electrode in the glass electrode remains constant, independent of the solution's pH. When the glass electrode bulb is immersed in the measured solution with varying H⁺ concentration, the voltage difference between the reference electrode's stable potential and the potential generated by the glass bulb is read by a voltmeter as the measurement result. The sensor features fast response, reliable data, stable performance, and easy installation. This analyzer is widely used for pH monitoring in sewage treatment plants, waterworks, water stations, surface water, aquaculture, industrial and other fields.
Application Fields
- Sewage treatment plants
- Waterworks
- Water stations
- Surface water
- Aquaculture
- pH monitoring in industrial and other fields
Technical parameters
- Measurement Range: pH: 0-14pH; Temperature: 0-80℃
- Resolution: 0.01pH
- Accuracy: ±0.1pH
- Pressure range: 0~4bar
- Input impedance: ≥10(12) Ω
- Response time: ≤15 s (reaching 95% of the end value after stirring)
- Main material for the sensor: Housing: PPS, Ag/AgCl, KCl gel, double salt bridge
- Liquid junction: Polytetrafluoroethylene
- Protection level: IP65
- Weight: 0.2KG
- Display: LCD (Liquid Crystal Display)
- Power supply: 105~235VAC, 50±1Hz/24VDC±5% (DC is optional)
- Power: ≤12W (including the sensor)
- Analog output: Two ways of analog outputs (load resistance < 500Ω)
- Digital output: RS485 interface, MODBUS RTU protocol
- Relay output: Three-way relay, 5A 250VAC, 5A 30VDC
- Material: Bottom shell: Cast aluminum with plastic spray coating; Top cover: PA66 + 30GF with paint coating
- Size: 145*145*174mm (H*W*D)
- Weight (controller): 1.8kg (Not including the sensor)
- Waterway interface: 2-inch or 3-inch hose (custom made)
- Flow rate: In flow chamber: 250~500mL/min
- Protection level (controller): IP65
- Water pressure: ≤6 bar (matching a pressure-reducing valve with the instrument)
- Working humidity: <90%, no condensation
- Working temperature: Instrument: -15°C-50°C; Sensor water temperature: 0.1°C-45°C (0.1°C to 70°C for special applications)
- Storage temperature: Instrument: -20°C-60°C; Sensor: 0.1°C-55°C
Key Features
- Fast response
- Reliable data
- Stable performance
- Easy installation
- LCD display
- Multiple output options (analog, digital, relay)
- Wide application in water quality monitoring