Industrial Online pH Controller
Features:
• Economical online pH controller comes with an industrial pH electrode.
• 1 to 3 points calibration with auto-buffer recognition.
• Selectable pH buffer group, including the USA and NIST options.
• Automatic temperature compensation ensures accurate readings over the entire range.
• Automatic electrode diagnosis helps the user decide whether to replace the sensor.
• Setup menu allows setting the pH buffer group, number of calibration points, alarm limits,
hysteresis value, 4 to 20 mA output, etc.
• Reset function automatically resumes all settings back to the factory defaults.
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Model
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BI-620
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pH
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Range
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-1.00 to 15.00 pH
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Resolution
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0.01 pH
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Accuracy
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±0.01 pH
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Calibration Points
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1 to 3 points
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pH Buffer Options
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USA (pH 4.01/7.00/10.01) / NIST (pH 4.01/6.86/9.18)
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mV
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Range
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-1000 to 1000 mV
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Resolution
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1 mV
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Accuracy
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±1 mV
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Temperature
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Range
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0 to 100°C / 32 to 212°F
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Resolution
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0.1°C/°F
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Accuracy
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±1°C / ±1.8°F
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Offset Calibration
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1 point
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Calibration Range
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Reading ±10°C/°F
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Communication
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Signal Output
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4 to 20 mA
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High/Low Limit Alarm
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0.00 to 14.00 pH, selectable
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Load
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Maximum 500 Ω
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Communication Interface
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RS485
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Connection Terminals
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Detachable screw terminals
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Other Specifications
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Temperature Compensation
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0 to 100°C / 32 to 212°F, automatic
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Environmental Conditions
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0 to 50°C / 32 to 122°F, relative humidity < 80%
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Display
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Custom LCD (70 × 45 cm)
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Power Supply
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DC 24V
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Dimensions
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96 × 96 × 75 mm
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Weight
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350 g
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