BL-931700-1 pH Mini Controller, 0.01 resolution, 4-20 MA recorder output, 115V/230V
BL-931700-1 pH Mini Controller, 0.01 resolution, 4-20 MA recorder output, 115V/230V
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Hanna BL-931700-1 pH Mini Controller is a compact and high-precision solution for continuous pH monitoring and control in industrial and water treatment systems. With 0.01 pH resolution and a 4–20 mA recorder output, it allows accurate process control and seamless integration into monitoring systems.
Designed for panel mounting, the BL-931700-1 provides real-time pH measurement and reliable control of dosing equipment, ensuring stable operation in demanding environments.
Key Features
- High-resolution pH measurement (0.01 pH)
- 4–20 mA output for data logging and system integration
- Continuous real-time pH monitoring
- Adjustable setpoint for automatic control
- Relay output for dosing pump or valve control
- Compact panel-mounted design
- Reliable performance in industrial environments
Applications
- Water treatment systems
- Industrial process control
- Cooling towers and boilers
- Chemical dosing and neutralization systems
- Swimming pools and aquaculture
System Overview
The BL-931700-1 continuously measures pH and provides both control and monitoring outputs. When the measured value deviates from the setpoint, the controller activates external dosing equipment, while the 4–20 mA signal enables integration with external recording or control systems.
What's Included
- BL-931700-1 panel-mounted pH controller
- Mounting hardware
- Instruction manual
Measurement Method
The pH is measured using a glass electrode connected to the controller. The system provides automatic control via relay output and transmits a proportional 4–20 mA signal for external monitoring and data acquisition.
Why Choose BL-931700-1?
- High precision for accurate process control
- Easy integration with SCADA and monitoring systems
- Reliable operation in continuous industrial applications
- Compact and cost-effective control solution
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Beskrivelse
Beskrivelse
BL 931700 mini pH controller has been designed for easy, affordable installation in tight spaces to perform simple yet effective process control. As a result of its compact size, BL 931700 can be installed right next to tanks or vats.
This versatile controller is ideal for a wide variety of applications, such as textiles, papers, photographic solutions, plating baths, chemicals and water treatment.
BL 931700 is provided with a selectable set point for acid or basic dosage. Measurements are directly acquired from a pH electrode in the range from 0 to 14 with a 0.01 pH resolution. Accuracy is ensured by the 2 point calibration, performed manually through trimmers on the front panel. You can also choose automatic or manual dosing mode with a switch on front panel. Manual control is particularly useful during maintenance operations, because it permits you to enable or disable the dosing relay according to your need.
The overtime control system advises you when the relay is active too long, helping to prevent overdosing. In addition, this model features a 4-20 mA analog output for recorder connection.
Two models are available, with different power supply input at 115/230 Vac or 12 Vdc.
Order Information:
The BL 931700 is supplied with mounting brackets, transparent cover and instructions.
Spesifikasjoner
Spesifikasjoner
No specifications available.
Sikkerhetsdatablad
Sikkerhetsdatablad
Manualer
Manualer
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