Conductivity Meters

BI-650 Online Conductivity Controller

Industrial online conductivity controller, 1 to 3 points calibration, 4 to 20 mA outputs, the meter is suitable for monitoring the conductivity and total dissolved solids of water quality.

Features:
• Economical online conductivity controller comes with a platinum cell conductivity electrode.
• 1 to 3 points calibration with automatic recognition for conductivity standards.
• Selectable cell constant, temperature coefficient and TDS conversion factor.
• Automatic temperature compensation ensures accurate readings over the entire range.
• 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-650

   Conductivity



   Range


0 to 20.00, 200.0, 2000 µS/cm, 20.00, 200.0 mS/cm

   Resolution


0.001, 0.01, 0.1, 1, automatic

   Accuracy


±1% F.S.

   Calibration


1 to 3 points

   Calibration Solutions


10 µS / 84 µS / 1413 µS / 12.88 mS / 111.8 mS

   TDS



   Range


0 to 10.00, 100.0, 1000ppm, 10.00, 200.0 ppt

   Resolution


0.01, 0.1, 1, automatic

   Accuracy


±1% F.S.

   TDS Conversion Factor


0.1 to 1.0 (default 0.5)

   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

   Communication



   Signal Output


4 to 20 mA

   High/Low Limit Alarm

0.02 uS/cm to 20.0 mS/cm, 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

   Temperature Coefficient


0.0 to 10.0%/°C

   Reference Temperature


25°C

   Cell Constant


K=0.1 / 1 / 10

   Environmental Conditions


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

   Power Supply


DC 24V

   Dimensions


96 × 96 × 75 mm

   Weight


350 g

   Ordering Code

Meter Includes

   BI-650-L

IE-50LT industrial conductivity electrode

   BI-650-M

IE-50MT industrial conductivity electrode

   BI-650-H

IE-50HT industrial conductivity electrode

Items Description
IE-50LT Conductivity Electrode For low conductivity liquids (< 10 µS/cm)
IE-50MT Conductivity Electrode For general water samples
IE-50HT Conductivity Electrode For high conductivity liquids (> 20 mS/cm)
Conductivity Standard Solutions For conductivity calibration

   Ordering Code

Dimensions and Weights

   BI-650-L

28 × 22 × 15 cm, 1.5 kg

   BI-650-M

28 × 22 × 15 cm, 1.5 kg

   BI-650-H

28 × 22 × 15 cm, 1.5 kg