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
Made in Germany. brand SUTO, model S230 / S231
International delivery to Europe, Asia and Africa.
Our warehouses are located in the UK, UAE and Senegal.
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S230 For Low Dew Point Applications
The S230 Dew Point Transmitter provides accurate results of a range down to -100 °C Td. This makes it perfectly suitable for special applications where a low dew point needs to be measured.
S231 for Standard Range Applications
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.
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.
SUTO Exchange Service
The SUTO exchange calibration service helps to eliminate downtime and enables users to have a seamless record of their dew point measurements.
Application
| 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 |
You can request the necessary certificates, documentation, instructions and user manuals for SUTO S230 / S231 using the special form.
You can buy SUTO S230 / S231 in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. SUTO S230 / S231 price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.
