GLOBAL WATER TB504WL Online Turbidity Meter

The Global Water TB500 series online turbidimeters are specifically designed for the continuous measurement of turbidity in filtered water, raw water, final wastewater effluent and many industrial applications.  Two models of the TB500 online turbidity analyzers are available: The TB502 is a great value, providing reliable and economical online turbidity monitoring with a range of 0 to 1,000 NTUs.  The TB504 online turbidimeters feature an EPA accepted ultrasonic cleaning system that keeps the optical chamber clean in raw and finished water applications.  The TB504 online turbidimeters also feature a versatile range of 0 to 1,000 NTUs with an accuracy that is the same or better than many smaller range instruments.

Specification:
Range:  0 - 1000 NTU
Measurement Principle:  Nephelometry (90 degrees)
Accuracy:  2% of reading or ± 0.02 below 40 NTU, 5% of reading above 40 NTU
Resolution:  0.0001 Selectable
Response Time:  Adjustable (5 to 500 seconds) (0 - 1000 NTU)
Input Pressure:  1 - 200 psi (built in regulator set at 15 psi)
Standard Outputs:  4-20 mA Galvanic Isolated or RS-485
RS-485 Protocols:  Modbus
Light Source:  White Light - 7 year life, Infrared Light (850nm LED) - 10 year life
User Alarms:  2 High/Low Alarms
Alarm Contacts:  Form C 250 VAC 2A
Display:  Multiline Custom Backlight LCD
Built in Diagnostics:  Yes
Storage Temperature:  -4°F to 140°F (-20°C to 60°C)
Operating Temp:  32°F to 122°F (0°C to 50°C)
Wetted Surfaces:  Nylon, Borosilicate Glass, Silicon, Polypropylene, Stainless Steel
Enclosure:  Designed to meet NEMA 4X, IP66
Outdoor Installation:  32°F to 122°F (0°C to 50°C))
Certifications:  USEPA, ISO 7027, CE Approved, ETL Listed to UL 3111-1 and ETL
     Certified to CSA 22.2 No. 1010-1-92
Dimensions:  14x12x12 inch (35x30x30 cm)
Shipping Weight:  5.5 lbs. (2.5 kg)