INSTALLATION & INSTRUCTION MANUAL
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PRINTABLE SPEC SHEET
INSTALLATION & INSTRUCTION MANUAL
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Turbidimeter Model 850

Easy Installation
Initial installation of our insertion sensor is as easy as installing a 1-inch female NPT fitting in the process piping. The submersible sensor can be suspended by its cable. Once installed, both turbidity sensors can be inserted and removed without interrupting process flow.

Wide Dynamic Range
Our turbidity meter has four ranges from 0-2 NTU to 0-2000 NTU. The low-level range (0-2 NTU) has a resolution of 0.001 NTU and is useful in processes where very low turbidity measurement is required. The higher ranges can be used on raw water supplies and other processes where turbidity is monitored before filtering.

Data Communication
Our turbidimeter comes standard with an isolated 4-20mA output, and other outputs are available.

Minimal Maintenance
The Model 850 uses a light source with a 13-year life expectancy which provides long-term stability and very low maintenance. Although our turbidity monitor is easily calibrated by the end user, calibration drift is minimal. Because sensor removal is simple, the optics can readily be cleaned as necessary.

Warranty
Limited one-year warranty against defects in material and workmanship.

Type Insertion Probe

Submersible Probe

Size

Pipes greater than 2 inches Open channel/tanks
Wetted Parts 316 stainless steel, borosilicate glass 316 stainless steel, borosilicate glass
Process Temperature -10C to 110C -10C to 60C
Pressure 0 to 150 psig 0 to 50 psig  (110 feet of water)
Mounting 1" NPT male Cable or rigid mount
Tube Diameter 7/8" 7/8"
Tube Length 12" 8"
Junction Box 2.5"x3"x6" None

 

SENSOR

 

TRANSMITTER

Display 3.5 digit LCD indicator

Range

0-2, 0-20, 0-200, 0-2000 NTU switch-selectable
Input Confab Model 850 Sensor
Output 4-20 mA into 500 ohms max. isolated; other outputs available
Resolution 0.05% of full scale
Repeatability Range-dependent 0.01 NTU
Accuracy 2% of full scale
Ambient Temperature 0C to 50C
Alarms Optional dual alarms

Enclosure

NEMA 1 or optional NEMA 4X
Dimensions 11" W x 6" H x 4" D (NEMA 1); 11-7/8" W x 7-1/4" H x 6-3/4" D (NEMA 4x)
Mounting Panel or wall mount (NEMA 1); Wall or pipe mount (NEMA 4X)
Power 115 or 230 VAC @ 50/60 Hz, 5 watts. Optional 12 & 24 VDC
Shipping Weight Complete unit 16-24 pounds, depending on options

 

Industrial Applications Include:

  • Potable water
  • Wastewater
  • Dairy
  • Mining
  • Chemical
  • Food and beverage
  • Breweries
  • Pulp and paper
  • Petrochemical
  • Forestry
  • Environmental

The Confab Model 850 is a rugged inline turbidimeter that monitors turbidity in process pipes, open channels or tanks. Our inline measurements provide instantaneous response, maximum accuracy, and highest reliability without costly bypass systems. The monitor has four turbidity ranges from 0-2 NTU to 0-2000 NTU.

Pricing

All prices in US Dollars and do not include applicable taxes, shipping, duties and customs fees. Prices guaranteed through 2020. Please contact us for quantity discount and reseller information.

Typical Sensor Mounting
Calibration Standard

A complete description of the calibration process for the Model 850 Turbidimeter is available in our Installation Manual. Calibration standard solution is available directly from GFS Chemicals using the links below. We recommend you purchase a minimum volume of 500ml.

0 NTU Standard

10 NTU Standard

100 NTU Standard

1000 NTU Standard

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