pH Value Control Trainer .
pH Value Control Trainer
Specification: pH Value Control Trainer
- Trainer for control engineering experiments
- pH value control process, equipped with standard industrial components
- Neutralisation of a caustic solution with an acid
- 2 pH value sensors in transparent measuring tanks with overflow
- Digital controller, parameterisable as a P, PI or PID controller
- Product tank and 2 chemicals tanks
- 2 metering pumps: adjustable manually or via controller
- Water connection with control valve and rotameter
- Corrosion-resistant piping system
- Hand-held pH-meter for product control
- 2-channel line recorder
- Process variables X and Y accessible as analogue signals via lab jacks
Technical Data
- Product tank: 20L
- Chemicals tank: 2x 5L
Metering pumps
- Max. flow rate: each 2,1L/h
- Max. head: each 160m
pH value sensor
- Filled with solid electrolyte
- With glass shaft and PTFE diaphragm
Line recorder
- 2x 4...20mA
- Feed rate 0...7200mm/h, stepped
Controller
- Process variables X, Y as analogue signals: 4...20mA
Measuring ranges
- pH value: 1...12
- Temperature: 0...80°C
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