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Product Groups
Fixed Infrared Temperature Sensor With RS485 MODBUS® RTU Interface and a broad selection of Field of Views
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
OS210-C4 Series
  • Wide Temperature Range from -20 to 500°C (-4 to 932ºF)
  • Built-In RS485 MODBUS RTU Interface
  • Configurable Emissivity Setting and Signal Processing
  • Max, Min Average and Instantaneous Readings; Peak or Valley Hold; Reflected Energy Compensation
  • 2:1, 15:1, 30:1 or Close Focus Optics
  • Fast Response with High Stability
  • Stainless Steel Housing, Sealed to IP65
  • Quick and Easy Installation
  • Optional Air/Water Cooled Housing, Air Purge Collar, Laser Sighting Tool and Mounting Brackets
  • Optional DP240 Touch-Screen Terminal for Configuring and Displaying Data from Up to 8 IR Sensors
 Manuals (contact with email : [email protected])


The OS211 Series is a range of high quality, low cost,compact sensors which measure the temperature ofinaccessible or moving objects and materials. Theymeasure temperatures from -20 to 500°C (-4 to 935ºF),accurately and consistently, with an outstandingresponse time of 240 ms. Two-way digitalcommunications via a built-in RS485 MODBUS RTUinterface enables the user to adjust the emissivitysetting; compensate for reflected energy; applyfiltering; select maximum and minimum, average or instantaneous readings; and peak or valley holdprocessing. Up to 32 sensors can be installed on asingle multidrop network. All the IR sensors are fittedwith precision germanium lenses for accurate optics.These compact sensors are small enough to fit almostanywhere and their rugged stainless steel housingsmake them ideal for applications where cleanlinessand hygiene are paramount.

The optional DP240 is a 320 x 240 pixel touch screenterminal with a 89 mm (3.5") color TFT display. Itallows the user to display data from up to eightinfrared sensors and configure each sensorindividually. The configuration parameters includeemissivity setting, signal averaging, peak or valleyhold processing and reflected energy compensation.There are two versions available. Each one providesall of the features above, however, the enhancedDP240-AR also provides analogue transmission forup to 4 sensors, plus two adjustable alarm outputsper sensor for all 8 sensors.

Temperature Range:
-20 to 500°C (-4 to 932°F)
Interface: RS485 MODBUSR RTU
Accuracy: ±1% of reading or ±1°C whichever is greater
Repeatability: ±0.5% of reading or ±0.5°C whichever is greater
Emissivity: 0.2 to 1.0
Response Time, t90: 240 ms (90% response)
Spectral Range: 8 to 14 µm
Supply Voltage: 12 Vdc nominal (6 to 13 Vdc)
Supply Current: 50 mA max
Baud Rate: 9600 baud*
Format: 8 data bits, no parity, 1 stop bit* Mechanical
Construction: Stainless steel
Dimensions: 18 D x 103 mm L (0.70 x 4.05")
Thread Mounting: m16 x 1 mm pitch
Cable Length: 1 m (3.3') (longer lengths available to order)
Weight with Cable: 95 g (3.35 oz) Environmental
Rating: NEMA (IP65)
Ambient Temperature: 0 to 70°C (32 to 158°F)
Relative Humidity: 95% max non-condensing
*Other configurations available upon request

LCD type TFT 320 x 240, 3.5" touch screen resistive
Supply Voltage: 12 to 24 Vdc
Power Consumption: 8 W
Ambient Temperature Range: 0 to 45°C (32 to 113°F)
Relative Humidity: 35 to 95%, non-condensing
Environmental Rating: (IP54) front, (IP30) housing
    DP240: 140 W x 100 T x 44 mm D
    DP240-AR: 140 W x 100 T x 65 mm D
Outputs: (DP240-AR only) 4 analogue outputs, 0 to 10 Vdc, 16 programmable alarm outputs, 12/24 Vdc, 700 mA, (3 a max per block of 8 outputs)
Hardware and Software Data Serial Port EXP1: RS485 MODBUS RTU interface for infrared sensors
Serial Port COM2: RS485/RS232 interface for second display (read only)
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