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SUTO S231 Compressed Air Dew Point Transmitter For Ex

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SUTO S231 Compressed Air Dew Point Transmitter For Ex

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Brand Name :	Zetron
Model Number :	S231
Certification :	CE, ISO13485, ISO9001
Payment Terms :	D/A, D/P, T/T
Supply Ability :	1000 set/month
Delivery Time :	3-7 days

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SUTO S231 Compressed Air Dew Point Transmitter For Ex

S231 Compressed Air Dew Point Transmitter for Ex Applications (-50~+20 °C Td)

OVERVIEW
The SUTO S230 / S231 Heavy-Duty Dew Point Transmitters provide
reliable, long-term stable dew point monitoring for compressed air
and gases in harsh and hazardous applications. The fast response
time ensures safe and reliable indication whenever dew points are
out of valid ranges.
FEATURES

· Ex Areas Solution
The optional IECEx approval makes it the perfect tool to be used in
explosive environment (Ex area). SUTO’s unique dual sensor
technology optimizes sensor sensitivity and accuracy by
automatically selecting the ideal sensor type for the situation.
· User-Friendly Output Signals
The S230/S231 come ready to use and simple to install with your
choice of 4-20mA or Modbus RTU (RS485) outputs. If required,
parameters can be quickly monitored through the SUTO service
software. The transmitters can also be connected the SUTO S331
(stationary) or S551 (portable) data logger and the data can be
transferred for further analysis.

APPLICATION SCENES

S231 Dew Point Transmitter comes with a standard range from -50… +50 °C Td, offering a wide range of dew point monitoring applications for compressed air and gases.

Dew point measurement in explosive environments
Outdoor / all-weather flow applications
Explosive environments

SPECIFICATION

MEASUREMENT
Dew Point
Accuracy	± 1 °C Td (0 ... 20 °C Td) ± 2 °C Td (-60 ... 0 °C Td) ± 3 °C (-100 ... -60 °C Td)
Selectable units	°C, °F, bar(g), MPa(g), psi(g), % rH, g/m³, mg/m³, G/m³ atm., mg/m³ atm., ppm(v), g/kg, °C Td atm.
Measuring range (model depending)	S230: -100 ... +20 °C Td S231: -50 ... +20 °C Td
Sensor	Polymer + QCM
Response time t90 (@ 4l/min)	-20 °C Td -> -60 °C Td = < 240 s -60 °C Td -> -20 °C Td = < 30 s
Temperature
Accuracy	0.3 °C
Measuring range	-30 ... +70 °C
Sensor	NTC
Reference conditions
Selectable conditions	Pressure Dew Point, Atmospheric Dew Point

SIGNAL INTERFACE & SUPPLY
Analog output
Signal	4 ... 20 mA (isolated) Modbus/RTU
Scaling	S230: 4 mA = -100 °C Td; 20 mA = +20 °C Td S231: 4 mA = -50 °C Td; 20 mA = +20 °C Td
Load	250R
Update rate	3 / sec
Fieldbus
Protocol	Modbus/RTU
Update rate	1/s
Supply
Voltage supply	15 ... 30 VDC
Current consumption	40 mA @ 24 VDC

GENERAL DATA
Konfiguration
PC Software	S4C-DP Application
Material
Process connection	Stainless steel 1.4301 (SUS 304)
Housing	Aluminium alloy
Sensor	Polymer, Ceramic
Miscellaneous
Electrical connection	Screw terminals
Protection class	IP67
Approvals	II 2G Ex db ib IIC T4 Gb II 2D Ex ib tb IIIC T135°C Db CE
Process connection	G 1/2“ thread (ISO 228/1)
Weight	728 g
Operating conditions
Medium	Air, Argon, O₂, N₂, CO₂*
Medium quality	ISO 8573-1: 4.6.3 or better
Medium temperature	-30 ... +70 °C
Medium humidity	≤ 20 °C Td
Operating pressure (model depending)	-0.1 ... 1.6 MPa (S230) -0.1 ... 35 MPa (S231)
Ambient temperature	0 ... +50 °C
Ambient humidity	0 ... 100 % rH
Storage temperature	-20 ... +50 °C
Transport temperature	-30 ... +70 ºC

Stated accuracy under following conditions:
Ambient temperature 23 °C ±3 °C Process temperature 23 °C ±3 °C Ambient humidity < 95 %, no condensation Airflow > 2 l/min at sensor tip

Product Tags:

Ex Compressed Air Dew Point Transmitter

Compressed Air Dew Point Transmitter

SUTO S231 Compressed Air Dew Point Transmitter For Ex

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