Sintrol S203 / S203 Ex Dust Monitor
Sintrol S203 is a continuous trend monitor used to evaluate the performance of filtration systems. It is perfect for installation downstream of any filtration system or in common line channels leading into a plant’s emission points.
– Visual Status Indication: Equipped with a 4-20 mA output and status LEDs in three different colors, allowing anyone on the factory floor to easily visualize filtration performance at a glance.
– Working Principle (Inductive Electrification): Utilizes advanced algorithms and signal filtration, combining DC and AC signals generated by particle contact and proximity to deliver highly accurate dust measurements.
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- Specification
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– For duct sizes up to 7000 mm
– Different sensors coatings available
– Aluminium enclosure with expectational finish quality
– Low-maintenance technology
– Auto-Setup function
– Extremely wide linear measurement range
– Low detection limit of 0.01 mg/m3
Product: S201 PC901013 | S201 Ex PC901014 | S203 PC901012 | S203 Ex PC901024
Measurement objects: Total Suspended Particles (TSP)
Measurement range: Detection Limit 0.01 mg/m³
Maximum Range: up to several g/m³ , depending on conditions
Measurement principle: Inductive Electrification
Protection code: IP66
Power supply requirements:
- 24 V DC ±10 %
100 … 240 V AC ±10%, 50 / 60 Hz
Power consumption: Up to 10 W DC / AC
Output signals:
- 2 × Independent SPDT dry contact relays, max. 30 V DC / 5 A or 240 V AC / 5 A, cos φ = 1
Isolated active 4 … 20 mA output loop*, max. loop resistance 250 Ω
Communication interface:
- Serial communication RS-485
- USB
Communication protocol:
- Modbus RTU (RS-485)
- Sintrol network (USB, RF and RS-485)
Process connection: 1 1/2″ tri-clamp
Cable gland / conduit fitting: PG11
Ambient Conditions
Temperature: −40 … 60 °C (−40 … 140 °F) / -30 … 60 °C for Ex models
Humidity: Max. 95 % relative humidity (non-condensing)
Materials and Weight
Enclosure / casing: Aluminum
Weight: 1.5 kg (3.3 lbs)
Process conditions
Temperature:
- Max. 300 °C (572 °F), optionally up to 700 °C (1292 °F)
- Max. 250 °C (482 °F) with Teflon-coated probe
- Max 200 °C for Ex models
Pressure:
- Max. 600 kPa (87.02 psi) in temperatures up to 300 °C (572 °F)
- Max. 300 kPa (43.51 psi) in temperatures from 300 °C (572 °F) to 700 °C
(1292 °F) when high-temperature process connection is used
Hazardous location approvals
Applicable to Ex models:
- IEC/ATEX: II 2 D Ex ia tb IIIC T85°C …201°C Db Ta= -30°C to +60°C
- US: Zone 20 A Ex ia ta IIIC T85°C…T201°C Da
- CAN: Ex ia ta IIIC T85°C…T201°C Da
- US/CAN: CL II, DV 1, GP E, F, G. IS Probe Ta= -30°C to +60°C
*Only available in model S203/S203 Ex




