Mettler Toledo M300 ISM Manual de usuario Pagina 9

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METTLER TOLEDO US and Canada
Conductivity / Resistivity
Conductivity / Resistivity Sensors
Accurate and Reliable
Boiler Water Conductivity Sensors
Rugged and Reliable
Boiler and steam piping can be protected from upset conditions using a continuous
conductivity measurement with readout in µS / cm, mS / cm or ppm TDS. The sensor
can monitor systems to 14.5 bar (210 psig) saturated steam conditions without
sample cooling. Accurate temperature compensation is provided. The transmitter
readout can be located up to 61 m (200 ft) away from the sensor and retransmit
alarm, control and / or analog signals even further. Automatic blowdown control
allows close management of boiler water quality and usually reduces the amount
of blowdown, saving a significant amount of energy.
Specifications
Process connection 1" NPT
Insertion length 28 mm (1.10")
Cable length 0.6 m (2 ft)
Cable jacket material; rating PTFE; 200 °C (392 °F)
Wetted materials 316SS, PEEK, Viton
®
Maximum pressure/temperature 35 bar (500 psig) at 25 °C (77 °F);
17 bar (250 psig) at 200 °C (392 °F)
Range 10 to 20,000 µS / cm uncompensated
Cell constant 0.4 cm
-1
Temperature sensor Pt 1000 RTD, IEC 60751 Class A
Temperature accuracy 0.1 °C at 25 °C (0.1 °F at 77 °F)
Certification ASTM / NIST-traceable certificate of accuracy for
conductivity and temperature
Features Overview
– Minimize corrosion and scaling with
highest accuracy measurement and
consistent blowdown control
– Reduce energy costs with continuous
monitoring and automatic control
rather than grab sampling with
manual control
– Save operations costs by direct
measurement without sample cooler
and cooling water, for samples up to
14.5 bar (210 psig) saturated steam
Install with flexibility of in-line
mounting or side-stream flow housing
– Use with versatile Thornton M300
or 770MAX transmitters with choice
of built-in control options
Viton and Kalrez are retgistered trademarks of DuPont Performance Elastomers LLC
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