pH Meters

BI-620 Industrial Online pH Controller

Industrial online pH controller, 1 to 3 points calibration, 4 to 20 mA outputs, the meter is suitable for monitoring pH in the chemical, environmental protection and food industries.

Features:
• Economical online pH controller comes with an industrial pH electrode.
• 1 to 3 points calibration with auto-buffer recognition.
• Selectable pH buffer set, 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 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.

   Model


BI-620

   pH



   Range


-1.00 to 15.00 pH

   Resolution


0.01 pH

   Accuracy


±0.01 pH

   Calibration


1 to 3 points

   pH Buffer Options


USA (pH 4.01/7.00/10.01) / NIST (pH 4.01/6.86/9.18)

   mV



   Range


-1000 to 1000 mV

   Resolution


1 mV

   Accuracy


±1 mV

   Temperature



   Range


0 to 100°C / 32 to 212°F

   Resolution


0.1°C/°F

   Accuracy


±1°C / ±1.8°F

   Calibration


1 point

   Calibration Range


Reading ±10°C/°F

   Communication



   Signal Output


4 to 20 mA

   High/Low Limit Alarm

0.00 to 14.00 pH, selectable

   Load

Maximum 500 Ω

   Communication Interface


RS485

   Connection Terminals


Detachable screw terminals

   Other Specifications



   Temperature Compensation  


0 to 100°C / 32 to 212°F, automatic

   Environmental Conditions


0 to 50°C / 32 to 122°F, relative humidity < 80%

   Display


Custom LCD (70 × 45 cm)

   Power Supply


DC 24V

   Dimensions


96 × 96 × 75 mm

   Weight


350 g

   Ordering Code

Meter Includes

   BI-620

IE-20T industrial pH electrode

pH 4.01, 7.00, 10.01 buffer reagents

Items Description
IE-20T pH Electrode Cable length 5 meters (16 ft)
pH Buffer Solutions For pH calibration
pH Electrode Storage Solution For electrode maintenance and storage
pH Electrode Cleaning Solution For general cleaning
pH Electrode Cleaning Solution For removing the protein contamination

   Ordering Code

Dimensions and Weights

   BI-620

28 × 22 × 15 cm, 1.5 kg