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Model 551 Four-Electrode Conductivity Sensor
Brand: Barben AnalyticalThe 551 Four Electrode Conductivity sensor is designed for sample line installations.
The sensor mounts with Barben's 1 inch NPT Nut Lock union adapter. This allows for threadless installation and removal of the sensor for cleaning and calibration.
As the name suggests, four electrode sensors add an additional pair of electrodes to the two electrode sensor design. This second pair of electrodes provides sensor diagnostics which can then be used to compensate the measurement if scale or particulate build-up occur on electrodes. Four electrode conductivity sensors can withstand coating and scale which might otherwise foul a traditional two electrode sensor.
Features- Quick change 1 inch NPT Nut Lock Adapter installation
- Conductivity measurements up to 2 Siemen (Dependent on cell constant)
- Kynar Body and PEEK insulator
- Self compensating for corrosion and scale build up (analyzer dependent)
- Well suited for sample line installations
- Electrode options in 316 Stainless, Titanium, and Hastelloy
Specifications
Brand
Cable Length
- 1 to 100 feet (0.3 to 30.48 metres)
Electrical Connectors
- 8” Pigtail Connector
Enclosure, Body Material
- Kynar
Length
- Insertion: 0.5 to 5” (12.7 to 127 mm)
NPT Connection
- 1” NPT Male
- 3/4” NPT Male
Pressure Rating
- psig: 150 (kPa: 1,034, bar: 10.34) at 25° C (73° F) - Model 551 [Flanged/Threaded Nut Lock (Plastic Body & Metal Hex Nut Only)]
- psig: 25 (kPa: 172.4, bar: 1.724) at 130° C (266° F) - Model 551 [Flanged/Threaded Nut Lock (Plastic Body & Metal Hex Nut Only)]
- psig: 300 (kPa: 2,068, bar: 20.68) at 80° C (176° F) - Model 551 [Threaded Metal Nut Lock (Metal Body & Metal Hex Nut Only)]
- psig: 40 (kPa: 275.8, bar: 2.76) at 100° C (212° F) - Model 551 [Threaded Nut Lock (Plastic/Metal Body with Hand Nut Only)]
- psig: 40 (kPa: 275.8, bar: 2.76) at 130° C (266° F) - Model 551 [Threaded Nut Lock (Metal Body & Metal Hex Nut Only)]
- Threaded Nut Lock (Plastic/Metal Body with Hand Nut Only) - psig: 100 (kPa: 690, bar: 6.9) at 70° C (158° F) - Model 551
Seat / Seal Material
- Seal: EPDM
- Seal: Viton
Sensor, Probe Type
- RTD (Pt100, Pt1000), (3 kiloohms Balco)
Wetted Materials
- Electrode: 316 Stainless Steel
- Electrode: Hastelloy C
- Electrode: Titanium Grade 2
- Insulator: PEEK
- Leak Detection
- Condensate Return
- Salinity
- Chemical Concentration
- Clean-In-Place