Omega Engineering OS137 Weather Radio User Manual


 
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SECTION 5 – SPECIFICATIONS
5.1 - General
Temperature Range:
OS137-1 0 to 100ºC (32 to 212ºF)
OS137-2 -18 to 260ºC (0 to 500ºF)
OS137-3 -18 to 538°C (0 to 1000°F)
Accuracy: @22ºC (72ºF) ambient 1.5% of Rdg or 2.0ºC (3.5ºF) whichever is greater
Emissivity of 0.95 or greater
Repeatability: 1% of Rdg or 1.0ºC (2.0ºF) whichever is greater
Field of View: 10 to 1
Spectral Response: 8 to 14 microns
Response Time: 150 msec, 0 to 63% of final value
Emissivity: 0.5 to 1.0, adjustable via Single Turn Pot
Alarm Output: Voltage, 100 mA Drive
Alarm Set Point: 0 to 100% Adj., set via Pot
Analog output:
MA 4 to 20 mA
V1 0 to 5 Vdc
V2 0 to 10 Vdc
K K type thermocouple, compensated
MVC 10 mV/ºC
MVF 10 mV/ºF
Output Load Requirements:
Min. Load (0 to 5 Vdc) 2 K-Ohms
Min. Load (0 to 10 Vdc) 4 K-Ohms
Max. Load (4 to 20 mA) (Power Supply – 4)/20 mA
Min. Load (10 mV/Deg) 10 K-Ohms
Min. Load (K T/C) 100 K-Ohms
Operating Ambient Temperature:
No Water Cooling 0 to 70ºC (32 to 158ºF)
With Water Cooling (OS136-WC) 0 to 200ºC (32 to 392ºF)
With Air Cooling (OS136-WC) 0 to 110°C (32 to 230°F)
Operating Relative Humidity: Less than 95% RH, non-condensing
Water Flow Rate for OS136-WC: 0.25 GPM, room temperature, minimum
Air Flow Rate for OS136-WC 5 CFM (2.4 liters/sec)
Warm up Period: 1 to 2 minutes
Thermal Shock: About 30 minutes for 25ºC (77°F) abrupt
ambient temperature change
Air Flow Rate for Air Purge Collar 1 CFM (0.5 liters/sec.)
Transmitter Housing: Stainless Steel 316, NEMA-4 & IP65 rated
Power: 12 to 24 VDC @ 50 mA
Dimensions: 25.4 OD x 127 L mm (1.0" OD x 5.0" L)
Weight: 0.80 lb (363 g)
Specifications
5