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A Fast Response Fixed Infrared Temperature Sensor fully PC Configurable via a USB Connection

Item# OS251-2USB-HT


A Fast Response Fixed Infrared Temperature Sensor fully PC Configurable via a USB Connection OS251-2USB-HT OS251-2USB-HT
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  • This series is no longer available, please refer to the OS-TX-USB-Series for replacements.
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Product Specs

This product is no longer available. Please see PHTX-100 as a possible alternative or contact our Engineering department for a viable replacement.



The OS150-2USB Series of infrared pyrometers measures temperatures from 45 to 2000°C (113 to 3632ºF) accurately and consistently, with an outstanding response time of 240 ms. The selectable 0 to 20 mA or 4 to 20 mA output is compatible with almost any indicator, controller, recorder, data logger etc. without the need for special interfacing or signal conditioning. All OS150-2USB Series sensors are fully configurable from a PC using the OMEGA software and USB cable supplied. This user friendly software enables the user to set the temperature range and emissivity setting compensates for reflected energy; apply filtering; select max, min, average or instantaneous readings; and configure peak or valley hold processing. These features can also be monitored and adjusted by an OPC client. Other features include data acquisition, alarms and a scrolling graphical display. The sensor will operate with the 4 to 20 mA cable connected, the USB cable connected, or both. The USB cable has an IP65 connector at the sensor end. An IP65 cap protects the sensor when the USB cable is not connected.

SPECIFICATIONS
Temperature Range:

    LT: 45* to 300°C (113 to 572°F) (OS151 only)
    MT: 250 to 1000°C (482 to 1832°F)
    HT: 450 to 2000°C (842 to 3632°F)
Field-of-View:
    15:1 (OS151 only)
    25:1 (OS251)
    75:1 (OS751) 7.5 dia. at 500 mm (OS801)
Output: Selectable 4 to 20 mA or 0 to 20 mA (linear with temperature)
Configuration: Via PC port conforming to USB 2.0
Accuracy*: ±1% of reading or ±2°C, whichever is greater
Repeatability*: ±0.5% of reading or ±0.5°C, whichever is greater
* Emissivity = 1.0, object temperature > sensor temperature + 20°C
Emissivity Setting: 0.1 to 1.0
Response Time, t90: 240 ms (90% response)
Spectral Range: 2.0 to 2.4 µm
Supply Voltage: 24 Vdc (26 Vdc max)
Sensor Voltage: 11 Vdc min
Max Loop Impedance: 900 Ω at 24 Vdc
Maximum Span: Full temperature range up to 1550°C (2822°F)
Minimum Span: 100°C (212°F) Mechanical
Construction: Stainless Steel
Dimensions: 25 D x 106.5 mm L (0.98 x 419')
Thread Mounting: M20 x 1 mm pitch
Weight with Output Cable: 175 g (6.17 oz)
Output Cable Length: 1 m (3.3')
USB Cable Length: 1 m (3.3') Environmental
Environmental Rating: IP65
Ambient Temperature: 0 to 70°C (32 to 158°F)
Relative Humidity: 95% max non-condensing

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