User Manual Owner manual

1
Specifications
Measurement Range
0 – 1000.0 NTU
0 – 100 NTU (Model 20055 & 20056)
Accuracy
±2% of reading or ±0.02 NTU below 40 NTU whichever is greater
±5% of reading above 40 NTU
Resolution
0.0001 NTU (below 10 NTU)
Response Time
Adjustable
Display
Multi-Line Liquid Crystal Backlit Display
Alarms
Two Programmable, 120-240VAC 2A Form C Relay
Analog Output
Powered 4-20 mA, 600 Ω drive
Communications Port
Bi-directional RS-485, Modbus
Maximum Water Pressure
Integral pressure regulator rated 1380kPa (200 PSI.) Also refer to
Flow Rate
Flow Rate
100 ml/min. – 1 liter/min. (.026-.26 Gal/min)
Operating Temperature
1°C – 50°C (34°F – 122°F)
Wetted Materials
Nylon, Borosilicate Glass, Silicon, Polypropylene, Stainless Steel
Sample Temperature Range
1°C – 50°C (34°F – 122°F)
Power Supply
100 – 240 VAC, 47 – 63 Hz, 80VA
Insulation Rating
Double Insulated, Pollution Degree 2, Overvoltage Category II
Environmental Conditions
Not recommended for outdoor use.
Altitude up to 2000 meters.
Up to 95 % RH (non-condensing).
Enclosure Rating
Designed to meet IP 66 /NEMA 4X
Regulatory Compliance
And Certifications
White Light Version compliant to U.S. EPA 180.1
Infrared Version compliant to ISO 7027
CE Approved, ETL listed to UL 61010B-1 &
ETL Certified to CSA 22.2 No. 1010-1-92
Shipping Weight
2.5 kg (5.5 lbs.)
Warranty
2 Years from date of shipment