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The ST-723 is a high temperature boiler-water conductivity sensor that is ideal for applications measuring boiler water and other process water samples with an elevated temperature and pressure. The sensor is constructed with a Hastelloy 2-pole electrode head and PEEK type plastic with a 316L stainless steel body. Features include integrated cooling fins, allowing utilization on water samples as high as 200 ºC (392 ºF) and 300psi. The sensor has a built-in RTD for temperature measurement, allowing for sensor configuration with or without Automatic Temperature Compensation (ATC) and a user defined compensation coefficient. The ST-723 offers both 4-20mA & RS-485 Modbus outputs in an 8Pin format with Bluetooth access capability for wireless data trending, configuration and calibration using the MA-CR Bluetooth® adapter.
Features
Additional Information
| Material | Stainless Steel |
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Specifications
Item ST-723
P/N 53106
Conductivity Range 0 - 15,000.0 µS /cm
Conductivity Precision ±10% µS /cm or ± 3.5% FS, whichever is greater
4-20mA Range for Temp 32 - 392 °F (0 - 200 °C)
Temperature Method PT-100
Cell Constant (K) 0.3
Power Supply 22 – 26V DC, Power Consumption 2W
Dimension (L x W x H) Length 8.46 inch (298 mm), body diameter 1.32 Inch (47mm)
Installation ¾-inch NPT
Body Material 304 Stainless Steel
Weight 1290 g (2.84 lbs.)
Operational Pressure ≤2.0 MPa（300psi）@199°C
Operating Temperature 41 - 392 °F (5 - 200 °C)
Storage Temperature -4 - 392 °F (-20 - 200 °C)
Outputs 8Pin - Isolated 4 – 20 mA Analog Output & Isolated RS-485 Digital Output
Electrode Material HASTELLOY
Rating IP67, Fully Dustproof & Waterproof
Regulation CE, RoHS, UKCA Marked
Cables Provided 8-Pin Bulkhead 4.9 ft (1.5 m) / 8-Pin Flying Lead 4.9 ft (1.5 m)
(Extension Cables Sold Separately)
Downloads
ST-723 Inline High Temperature Conductivity Sensor – User Manual
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